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NAICS Code· 621498

All Other Outpatient Care Centers

This U.S. industry comprises establishments with medical staff primarily engaged in providing general or specialized outpatient care (except family planning centers, outpatient mental health and substance abuse centers, HMO medical centers, kidney dialysis centers, and freestanding ambulatory surgical and emergency centers). Centers or clinics of health practitioners with different degrees from more than one industry practicing within the same establishment (e.g., Doctor of Medicine and Doctor of Dental Medicine) are included in this industry. Illustrative Examples: Outpatient biofeedback centers and clinics Outpatient pain therapy centers and clinics Outpatient community health centers and clinics Outpatient sleep disorder centers and clinics Cross-References.Show more

NAICS 621498 – All Other Outpatient Care Centers encompasses specialized outpatient health services that do not fit into more defined categories such as mental health clinics, dialysis centers, or ambulatory surgical facilities. This includes a broad array of non-physician-led, community-based care delivery models such as behavioral health outreach, mobile health units, chronic disease management programs, and integrated behavioral-physical health services delivered in non-hospital settings.

40
Active Contracts
$594.2M
Total Obligations (12mo)
200
Awarded Contracts (12mo)
67
Contractors Awarded (12mo)
+15.3%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 621498.

AI Industry Description

NAICS 621498 – All Other Outpatient Care Centers encompasses specialized outpatient health services that do not fit into more defined categories such as mental health clinics, dialysis centers, or ambulatory surgical facilities. This includes a broad array of non-physician-led, community-based care ...

NAICS 621498 – All Other Outpatient Care Centers encompasses specialized outpatient health services that do not fit into more defined categories such as mental health clinics, dialysis centers, or ambulatory surgical facilities. This includes a broad array of non-physician-led, community-based care delivery models such as behavioral health outreach, mobile health units, chronic disease management programs, and integrated behavioral-physical health services delivered in non-hospital settings. In the federal contracting landscape, this NAICS supports mission-critical health access initiatives for military families, veterans, and active-duty personnel in remote or underserved areas, often through contracted third-party providers delivering care under TRICARE, VA Community Care, or DoD wellness programs. The leading contractor in this sector is K. Parks Consulting, Inc., a small business specializing in operational support for federally funded outpatient care initiatives. Its presence underscores a competitive environment where niche, agile service providers with expertise in behavioral health integration and regulatory compliance dominate over large primes. The sector is characterized by contract vehicles requiring robust credentialing, HIPAA compliance, and workforce training standards tailored to military and veteran populations. The Department of Defense is the primary federal buyer, driving demand through initiatives to expand mental health access, reduce stigma around behavioral health, and improve continuity of care for service members transitioning between installations or civilian life. Programs under TRICARE and the Military Health System frequently utilize this NAICS to fill gaps in localized, community-based care delivery. The market offers moderate opportunity density with low barriers to entry for qualified small businesses, particularly those with experience in federal health programs and telehealth-enabled outpatient models. Demand is increasingly tied to preventive care, population health management, and culturally competent service delivery—trends that favor contractors with proven track records in interoperable care coordination and data-driven outcomes reporting.

Top Contractors

Companies with the highest total award value under NAICS 621498, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
NEW YORK CITY HEALTH AND HOSPITALS CORPORATION New York NY 10004 USA$165.9M1
VALOR HEALTHCARE INC$137.6M49
STG INTERNATIONAL, INC.$56.2M19
PRIMARY CARE SOLUTIONS INC$40.2M25
NEW YORK CITY HEALTH AND HOSPITALS CORPORATION$27.8M1
STERLING MEDICAL ASSOCIATES, INC$20.2M7
STG INTERNATIONAL, INC. Arlington VA 22206 USA$17.9M1
STG INTERNATIONAL, INC. Arlington VA 22206 USA$17.9M1
POTOMAC VALOR HEALTHCARE 2, LLC$16.0M5
POSTERITY GROUP LLC DERWOOD 20855$13.8M1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 621498.

Department Of Veterans Affairs153 awards$319.2M
CDC Office Of Acquisition Services1 award$165.9M
Department Of Health And Human Services18 awards$39.1M
242-NETWORK Contract Office 02 (36C242)3 awards$35.8M
256-NETWORK Contract Office 16 (36C256)1 award$13.8M
Department Of State2 awards$6.5M
Agency For International Development (usaid)7 awards$4.9M
Department Of The Interior3 awards$3.3M
Department Of Defense8 awards$3.0M
244-NETWORK Contract Office 4 (36C244)1 award$1.1M

Related NAICS Codes

Industries similar to All Other Outpatient Care Centers, by shared sector, subsector, and industry group.

Family Planning Centers

This industry comprises establishments with medical staff primarily engaged in providing a range of ...
621410Same Industry GroupHigh Similarity

Outpatient Mental Health and Substance Abuse Centers

This industry comprises establishments with medical staff primarily engaged in providing outpatient ...
621420Same Industry GroupHigh Similarity

HMO Medical Centers

This U.S. industry comprises establishments with physicians and other medical staff primarily engage...
621491Same Industry GroupHigh Similarity

Kidney Dialysis Centers

This U.S. industry comprises establishments with medical staff primarily engaged in providing outpat...
621492Same Industry GroupHigh Similarity

Freestanding Ambulatory Surgical and Emergency Centers

This U.S. industry comprises establishments with physicians and other medical staff primarily engage...
621493Same Industry GroupHigh Similarity

Offices of Physicians (except Mental Health Specialists)

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Docto...
621111Same SubsectorMedium Similarity

Offices of Physicians, Mental Health Specialists

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Docto...
621112Same SubsectorMedium Similarity

Offices of Dentists

This industry comprises establishments of health practitioners having the degree of D.M.D. (Doctor o...
621210Same SubsectorMedium Similarity

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NAICS 621498 FAQ

Frequently Asked Questions

NAICS code 621498 covers All Other Outpatient Care Centers. This U.S. industry comprises establishments with medical staff primarily engaged in providing general or specialized outpatient care (except family planning centers, outpatient mental health and substance abuse centers, HMO medical centers, kidney dialysis centers, and freestanding ambulatory surgical and emergency centers). Centers or clinics of health practitioners with different degrees from more than one industry practicing within the same establishment (e.g., Doctor of Medicine and Doctor of Dental Medicine) are included in this industry. Illustrative Examples: Outpatient biofeedback centers and clinics Outpatient pain therapy centers and clinics Outpatient community health centers and clinics Outpatient sleep disorder centers and clinics Cross-References.

Recently Posted in All Other Outpatient Care Centers

NAICS: 621498
New
Grant
Evidence-Based Health Program DeliveryThe contract aims to deliver evidence-based health interventions targeting medically vulnerable rural populations through services such as chronic disease management, maternal health support, and behavioral health care. These programs are designed to improve health outcomes in underserved areas by implementing proven, scientifically supported practices that address critical public health needs. The opportunity is structured as a subcontract under the Health Resources and Services Administration, part of the Department of Health and Human Services, and is classified under NAICS code 621498 for other ambulatory health care services. Proposals must be submitted by August 12, 2026, with the solicitation posted on July 13, 2026. While specific geographic locations for performance are not detailed, the focus is explicitly on rural communities where access to consistent, high-quality health services is limited. The absence of a set-aside designation suggests this opportunity is open to all qualified entities, and applicants are expected to demonstrate the capacity to implement targeted, outcomes-driven programs in resource-constrained settings. All administrative details, including contact information and performance location, remain unspecified in the posted data.
Health Resources And Services Administration

POSTED

1 day ago

DEADLINE

in 28 days
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NAICS: 621498
New
Federal
Medical and Mental Health Care ServicesThe contract entails the provision of comprehensive on-site medical and mental health care services for detainees, covering routine health assessments, emergency medical response, and ongoing management of chronic conditions. Services must be delivered at a designated facility in Mountain Vlg, Colorado, with 80111 as the performance zip code, ensuring detainees receive timely, high-quality care in compliance with established health and safety standards. The scope includes both physical health interventions and mental health support, reflecting an integrated approach to detainee wellness. This is a subcontract opportunity issued by the Office of Acquisition Management under the Department of Homeland Security, with a solicitation posted on July 10, 2026, and responses due by July 17, 2026. The NAICS code 621498 identifies the category as other outpatient care services, indicating the need for specialized health service providers experienced in corrections-based care environments. While no set-aside details are specified, potential offerors must be prepared to meet stringent operational and staffing requirements suitable for a secure detention context, with performance expected to align with federal health care protocols and emergency preparedness standards.
Office Of Acquisition Management

POSTED

4 days ago

DEADLINE

in 3 days
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NAICS: 621498
Federal
Health and Immunization Compliance ManagementThe contract requires management of annual health compliance for contract staff, including routine TB screening, accurate tracking of immunizations, and timely submission of all required certifications to the Contracting Officer’s Representative. This work ensures that all personnel meet mandatory health and safety standards for performing services under the agreement, with strict adherence to documentation and reporting protocols. The contract is a subcontract classified under a Service-Disabled Veteran-Owned Small Business Set Aside, assigned the NAICS code 621498, and is managed by the Department of Veterans Affairs through its 244-NETWORK Contract Office 4. Performance is centered in Wilmington, with a bid submission deadline of July 22, 2026. The solicitation was posted on July 7, 2026, and the work will support federal health and safety compliance requirements tied to personnel serving at a VA-operated facility.
244-NETWORK Contract Office 4 (36C244)

POSTED

7 days ago

DEADLINE

in 8 days
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NAICS: 621498
Canada
Tuberculosis Testing Services for Contractor PersonnelThe contract pertains to the administration and documentation of tuberculin skin tests for contractor personnel who require access to a federal correctional facility in Drumheller. The services involved are specifically focused on ensuring compliance with health and safety protocols by verifying the tuberculosis status of contractors prior to granting facility access. This subcontract is issued under the NAICS code 621498 for other miscellaneous ambulatory health care services and is managed by the Correctional Service of Canada, representing the Government of Canada. The solicitation was posted on July 7, 2026, with a deadline for responses set for July 27, 2026, at 6:00 PM, allowing interested parties a three-week window to submit proposals. The place of performance is strictly limited to Drumheller, and all testing activities must be conducted in alignment with federal correctional facility requirements. There is no set-aside designation specified, indicating the opportunity is open to all eligible contractors regardless of business size or ownership status.
Correctional Service of Canada

POSTED

8 days ago

DEADLINE

in 13 days
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NAICS: 621498
SLED
Pediatric Forensic Medical ExaminationsThe contract seeks qualified providers to conduct forensic medical evaluations for children suspected of being victims of abuse, with a focus on comprehensive trauma assessment, collection of medical evidence, and thorough documentation to support legal and social service proceedings. Services must adhere to established clinical and legal standards to ensure the integrity of findings and the well-being of child patients, requiring specialized training in pediatric forensic medicine and experience working within multidisciplinary child protection systems. This is a subcontract under the Social Services Agency of California, with a solicitation posted on July 6, 2026, and responses due by August 7, 2026. The NAICS code 621498 classifies the work under other ambulatory health care services, indicating the service is provided in an outpatient or community-based setting. Performance location is within California, though specific city or facility details are not provided. The contract does not indicate a set-aside status or point of contact, and interested parties must access the full opportunity through the provided online portal.
Social Services Agency

POSTED

8 days ago

DEADLINE

in 24 days
View Details
NAICS: 621498
SLED
Managed Care & Employee Wellness ProgramsThe City of St. Joseph is seeking a subcontractor to deliver comprehensive wellness and managed care services aimed at improving the health outcomes of its transit employees. The scope of work includes implementing wellness initiatives, managing chronic diseases, providing case management, conducting patient education, and performing utilization review to ensure appropriate and effective healthcare delivery. These services are designed to promote long-term health, reduce preventable hospitalizations, and enhance overall workforce well-being among transit personnel. The contract is classified under NAICS code 621498, indicating it pertains to other ambulatory health care services, and is structured as a subcontract with no specific set-aside designation. Interested parties must submit responses by the deadline of August 12, 2026, at 9:00 PM, following the posting of the solicitation on July 3, 2026. All services are expected to be performed in support of the city’s transit operations, though the exact location of performance is not specified. The solicitation is accessible via the City of St. Joseph’s public bidding portal, and proposers are expected to meet the requirements for delivering evidence-based, coordinated care that aligns with public sector health objectives. There is no designated point of contact listed, and the offeror must rely on the provided online link for detailed submission guidelines and documentation.
City Of St. Joseph

POSTED

12 days ago

DEADLINE

in 29 days
View Details
NAICS: 621498
SLED
Communicable Disease Exposure Testing and CounselingThe contract seeks providers to deliver comprehensive post-exposure testing and counseling services for HIV, hepatitis, and other communicable diseases following occupational or public exposure incidents. Services must be timely, confidential, and aligned with current public health guidelines to ensure affected individuals receive appropriate medical guidance, diagnostic testing, and emotional support. The offering is under a subcontract arrangement issued by the California Police Department, with a deadline for responses set for July 24, 2026, and a NAICS code of 621498 indicating it falls under Other Ambulatory Health Care Services. The contract does not specify a set-aside classification or organizational type requirements, and performance location details are not defined, implying services may be delivered across multiple sites within the jurisdiction. All work must meet the standards expected by law enforcement and public health entities responding to exposure events in community or workplace settings.
Police Department

POSTED

13 days ago

DEADLINE

in 10 days
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NAICS: 621498
SLED
On-Site Primary Care Clinic OperationsThe City of Georgetown is seeking a contractor to operate a near-site primary care clinic dedicated to serving city employees with a full range of health services including preventive care, acute and chronic condition management, and mental health support. The clinic must also provide DOT and CDL physical examinations as a required component of the services offered, ensuring that employee transportation and safety obligations are met. In addition to clinical care, the contractor is expected to implement and manage wellness programs aimed at improving employee health outcomes and reducing long-term medical costs. The contract is structured as a subcontract with a response deadline of July 14, 2026, and the NAICS code 621498 indicates it falls under other outpatient care centers. While the solicitation does not specify a set-aside classification or detailed performance location, it is clear the clinic must be conveniently accessible to city employees within the Georgetown, Kentucky area. The contractor will be responsible for staffing, equipment, compliance with healthcare regulations, and seamless integration of services into the city’s existing employee benefits framework. All proposals must demonstrate the ability to deliver high-quality, timely, and comprehensive care to a municipal workforce.
City of Georgetown

POSTED

13 days ago

DEADLINE

in about 2 hours
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NAICS: 621498
Federal
Franklin, LA CBOC (Community Based Outpatient Care)The Department of Veterans Affairs, through the Southeast Louisiana Veterans Health Care System, is seeking qualified Service-Disabled Veteran-Owned Small Businesses to provide community-based outpatient care for Veterans in the Franklin, Louisiana area under a firm-fixed price, indefinite-delivery, indefinite-quantity contract. This requirement is exclusively set aside for SDVOSBs, and all offerors must be registered in both SAM.gov and VetCert to be eligible. The scope of work requires the contractor to furnish all necessary personnel, facilities, equipment, space, supervision, and supplies at their own location to deliver outpatient services aligned with the Performance Work Statement, serving an estimated population of fewer than 1,800 Veterans. The anticipated contract period begins on April 1, 2027, and includes five one-year ordering periods, each exercisable at the discretion of the Contracting Officer, with a potential total performance period through March 30, 2033. The procurement is managed by the 256-NETWORK Contract Office 16, with the NAICS code 621498 and a size standard of $25.5 million in annual revenue. The pre-solicitation notice indicates that the formal solicitation will be issued on or about November 19, 2026, and proposals must be submitted via email to albert.kelly@va.gov no later than July 30, 2026. The government will evaluate proposals using a best-value source selection method, though specific evaluation factors and weights will be detailed in the upcoming solicitation. All information, including the full solicitation package, will be accessible through SAM.gov, and no hard copies will be distributed. The place of performance is strictly limited to the contractor’s facility located in Franklin, LA, with no specified FOB terms or packaging requirements outlined at this stage.
256-NETWORK Contract Office 16 (36C256)

POSTED

13 days ago

DEADLINE

in 16 days
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NAICS: 621498
Federal
On-Site Medical and Clinical Monitoring ServicesThe contract is for on-site medical and clinical monitoring services to support extended bedrest studies conducted at NASA Johnson Space Center in Houston, Texas. The scope requires continuous medical supervision throughout the duration of the studies, including routine vital signs monitoring, prompt emergency response capabilities, and seamless coordination with NASA’s medical personnel to ensure participant safety and study integrity. The provider must maintain readiness to handle medical incidents in real time and work in close collaboration with NASA’s clinical team to uphold operational and health standards. This subcontract, posted on July 1, 2026, with a response deadline of July 15, 2026, falls under NAICS code 621498 for other professional, scientific, and technical services related to health care. The place of performance is firmly established at NASA’s Houston facility, where all activities must occur on location. The project is part of NASA’s broader human research initiatives aimed at understanding physiological responses to prolonged confinement and immobility, with direct relevance to space mission preparedness. All medical protocols must align with NASA’s stringent safety and compliance guidelines, and the contractor is expected to deliver uninterrupted, high-standard care without disruption to study timelines.
NASA Johnson Space Center

POSTED

13 days ago

DEADLINE

in about 24 hours
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NAICS: 621498
SLED
Case Management and Community Resource CoordinationThe contract titled Case Management and Community Resource Coordination seeks to provide comprehensive case management services aimed at removing critical barriers to competency, including housing instability, lack of transportation, and insufficient access to mental health treatment. Contractors will be responsible for connecting clients with appropriate community resources to ensure sustained support and improved outcomes, focusing on holistic, person-centered interventions that promote long-term self-sufficiency and well-being. Services must be delivered in alignment with best practices in behavioral health and social services, with an emphasis on collaboration with local agencies and networks. Issued by the Colorado Department of Human Services Office of Behavioral Health, this subcontract is open for bids with a response deadline of June 30, 2027, and is classified under NAICS code 621498 for other outpatient mental health and substance abuse services. The contract does not specify a set-aside designation or a particular organization type preference, and performance is expected statewide in Colorado without a designated physical office location. Interested parties must access the solicitation through the official CDHS Advantage portal to submit proposals and obtain additional details regarding expectations, reporting requirements, and service delivery standards.
CDHS - Office Of Behavioral Health

POSTED

14 days ago

DEADLINE

in 12 months
View Details
NAICS: 621498
Closed
Federal
24/7 Nurse Triage Call Center OperationsThe contract requires the operation of a 24/7/365 nurse advice line to provide clinical triage services for Indian Health Service beneficiaries in Arizona, Utah, and Nevada, utilizing evidence-based protocols to assess symptoms, deliver appropriate care guidance, and escalate urgent cases as needed. Services must be available around the clock to ensure continuous access to qualified nursing professionals who can support patient needs through remote consultation, with all interactions grounded in standardized clinical guidelines to maintain consistency and quality of care. This is a subcontract under a Total Small Business Set-Aside, specifically designated for small businesses as defined by the SBA, and falls under the NAICS code 621498 for other miscellaneous ambulatory health care services. The solicitation was posted on July 1, 2026, with responses due by July 8, 2026, and the place of performance is designated as Phoenix, Arizona, with a zip code of 85004. The contracting authority is the Phoenix Area Indian Health Service under the Department of Health and Human Services, and the provider must be capable of delivering scalable, compliant, and culturally competent care to a diverse population across multiple states under strict operational and clinical standards.
Phoenix Area Indian Health Svc

POSTED

14 days ago

CLOSED

6 days ago
View Details

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