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NAICS Code· 621111

NAICS 621111: Offices of Physicians (except Mental Health Specialists)

This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) primarily engaged in the independent practice of general or specialized medicine (except psychiatry or psychoanalysis) or surgery. These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers. Cross-References.Show more

NAICS 621111 – Offices of Physicians (except Mental Health Specialists) encompasses the provision of outpatient medical services by licensed physicians practicing in private or government-contracted clinical settings, excluding mental health specialists. This sector includes primary care, internal medicine, pediatrics, obstetrics and gynecology, and other non-psychiatric specialty practices delivering diagnostic, preventive, and treatment services under federal healthcare programs.

57
Active Contracts
$9.4B
Total Obligations (12mo)
951
Awarded Contracts (12mo)
410
Contractors Awarded (12mo)
1
Median Bidders per Award
+29.1%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 621111.

AI Industry Description

NAICS 621111 – Offices of Physicians (except Mental Health Specialists) encompasses the provision of outpatient medical services by licensed physicians practicing in private or government-contracted clinical settings, excluding mental health specialists. This sector includes primary care, internal m...

NAICS 621111 – Offices of Physicians (except Mental Health Specialists) encompasses the provision of outpatient medical services by licensed physicians practicing in private or government-contracted clinical settings, excluding mental health specialists. This sector includes primary care, internal medicine, pediatrics, obstetrics and gynecology, and other non-psychiatric specialty practices delivering diagnostic, preventive, and treatment services under federal healthcare programs. In government contracting, this NAICS code supports mission-critical health delivery systems for military personnel, veterans, and federal employees, often through managed care arrangements, telehealth platforms, and on-site clinic operations. It bridges clinical care delivery with federal health infrastructure, requiring compliance with HIPAA, Medicare billing protocols, and DoD/VHA clinical standards. Top contractors in this space include DAX SAFETY & STAFFING SOLUTIONS, LLC, NEW WAVE PEOPLE, INC, A-Z Medical Services, PLLC, and RADSURITY, PA, representing a mix of small businesses and specialized medical staffing firms that provide physician services, practice management, and clinical support under government contracts. These entities typically operate as subcontractors to larger health systems or as direct vendors to federal health agencies, emphasizing credentialing, on-demand staffing, and regulatory compliance. The Department of Veterans Affairs, Department of Health and Human Services, Department of Defense, Washington Headquarters Services, and the Department of Justice are the primary federal buyers, driving demand through VA healthcare networks, CDC health initiatives, military medical readiness programs, and federal employee wellness services. These agencies rely on this NAICS code to sustain accessible, compliant outpatient care for beneficiaries across domestic and overseas installations. The competitive landscape is characterized by high regulatory barriers and a preference for firms with prior federal healthcare experience, particularly those holding small business certifications and possessing established provider networks. Opportunities are concentrated in regions with high veteran populations and military bases, with growing demand for integrated, value-based care models and remote clinical support services.

Top Contractors

Companies with the highest total award value under NAICS 621111, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
QTC MEDICAL SERVICES INC$2.6B13
OPTUMSERVE HEALTH SERVICES, INC.$2.5B10
LOYAL SOURCE GOVERNMENT SERVICES LLC$1.9B8
VETERANS EVALUATION SERVICES, INC$1.9B10
1 EVEREST GROUP LLC$73.6M1
SYSCO CENTRAL ALABAMA INC Calera AL 35040 USA$33.1M1
WJM PROFESSIONAL SERVICES LLC$28.5M2
DECYPHER HEALTH SERVICES, LLC$25.2M1
AIMS-USGP JV LLC$22.0M11
CHENEGA TRI-SERVICES, LLC$16.9M2

Top Agencies

Federal agencies directing the most contract spending toward NAICS 621111.

Department Of Veterans Affairs152 awards$8.9B
Department Of Defense164 awards$229.4M
Department Of Veterans Affairs (va)2 awards$73.9M
Department Of Homeland Security5 awards$34.9M
W7M8 Uspfo Activity Ia Arng2 awards$33.1M
Department Of Health And Human Services176 awards$31.9M
Social Security Administration317 awards$30.5M
Network Contract Office 19 (36C259)1 award$8.1M
Department Of Justice95 awards$5.6M
Department Of Homeland Security (dhs)2 awards$5.0M

Competition

How many companies historically bid on federal awards in NAICS 621111, from bidder counts reported on USAspending.

Usually Single-Bid

Half or more of reported awards drew exactly one bidder, usually a sign of incumbent-held work rather than an open field. · 97,100 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

63%

Share of reported awards with one bidder

10+ Bidder Awards

12%

Share of reported awards with 10+ bidders

Reported Awards

0

85% of 114,279 total awards

How this code compares up the NAICS hierarchy. Parent cohorts pool every code under their prefix, so they are the steadier baseline when a 6-digit sample is thin.

Industry FamilyCompetitionMedian BiddersSingle-BidBidder MixReported Awards
621111This Code
Offices of Physicians (except Mental Health Specialists)
Usually Single-Bid163%
97,10085% of 114,279
62111NAICS Industry
Usually Single-Bid165%
113,77586% of 132,848
6211Industry Group
Offices of Physicians
Usually Single-Bid165%
113,77586% of 132,848
621Subsector
Usually Single-Bid165%
305,28684% of 361,937
62Sector
Health Care and Social Assistance
Usually Single-Bid171%
550,37684% of 657,209

Bidder counts reported on past federal awards in this NAICS (USAspending). An open opportunity has no bidders yet, so this is the historical norm for similar work, not a fact about this solicitation. Not all awards report bidder counts, and fewer bidders often means incumbent-held work rather than an easier win. Federal reporting of bidder counts fell from ~96% of awards (FY2016) to ~30% (FY2018 onward); the chart shows shares of reported awards, and washed-out stretches mark years with fewer than 30 of them.

Related NAICS Codes

Industries similar to Offices of Physicians (except Mental Health Specialists), by shared sector, subsector, and industry group.

Offices of Physicians, Mental Health Specialists

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

Offices of Dentists

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

Offices of Chiropractors

This industry comprises establishments of health practitioners having the degree of D.C. (Doctor of ...
621310Same SubsectorMedium Similarity

Offices of Optometrists

This industry comprises establishments of health practitioners having the degree of O.D. (Doctor of ...
621320Same SubsectorMedium Similarity

Offices of Mental Health Practitioners (except Physicians)

This industry comprises establishments of independent mental health practitioners (except physicians...
621330Same SubsectorMedium Similarity

Offices of Physical, Occupational and Speech Therapists, and Audiologists

This industry comprises establishments of independent health practitioners primarily engaged in one ...
621340Same SubsectorMedium Similarity

Offices of Podiatrists

This U.S. industry comprises establishments of health practitioners having the degree of D.P.M. (Doc...
621391Same SubsectorMedium Similarity

Offices of All Other Miscellaneous Health Practitioners

This U.S. industry comprises establishments of independent health practitioners (except physicians; ...
621399Same SubsectorMedium Similarity

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NAICS 621111 FAQ

Frequently Asked Questions

NAICS code 621111 covers Offices of Physicians (except Mental Health Specialists). This U.S. industry comprises establishments of health practitioners having the degree of M.D. (Doctor of Medicine) or D.O. (Doctor of Osteopathic Medicine) primarily engaged in the independent practice of general or specialized medicine (except psychiatry or psychoanalysis) or surgery. These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers. Cross-References.

Recently Posted in Offices of Physicians (except Mental Health Specialists)

NAICS: 621111
New
SLED
2026 Medical Examinations for Dept. Of Labor and Industry
Solicitation # RFP-127377
The Virginia Department of Labor and Industry is soliciting proposals under RFP-127377 to provide medical services for employees within the VOSH and Boiler divisions. The primary requirement of this contract is the performance of annual physical examinations for qualified staff members, with the place of performance located in Manassas, Virginia. Interested vendors must submit their responses by the deadline of September 14, 2026. The solicitation was officially posted on August 28, 2026, and inquiries regarding the procurement process should be directed to the point of contact, Tara Shobe.
Department of Labor and Industry

POSTED

1 day ago

DEADLINE

in 15 days
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NAICS: 621111
New
Federal
AED Medical Oversight & Program Management
Csa East 5 Usda-Fs

POSTED

1 day ago

DEADLINE

in 19 days
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NAICS: 621111
Closed
SLED
Street Medicine Expansion
Solicitation # 20260827001
CalOptima Health

POSTED

2 days ago

CLOSED

5 days ago
View Details
NAICS: 621111
New
Federal
Kayenta Health Center: Non-Personal Service Contract - Pediatric Physician Services (Amendment 02)
Solicitation # 75H71025Q00030
This sources sought notice is issued by the Indian Health Service (IHS) Navajo Area Indian Health Service, under the Department of Health and Human Services, to identify capable sources for providing pediatrician services at the Kayenta Health Center in Kayenta, Arizona. The contract is a non-personal service contract with an anticipated performance period from January 1, 2025, to June 30, 2025, with an option to extend through the second half of the year. The primary NAICS code for this procurement is 561320, which pertains to Temporary Help Services. The government is seeking responses from Indian economic enterprises, small businesses, or other socio-economic entities, with a preference under the Buy Indian Act, to determine market capacity and inform future acquisition strategies, including potential set-asides. Interested firms must submit a capabilities package by November 18, 2024, demonstrating relevant experience, compliance with socio-economic programs, and their intent to compete for the upcoming solicitation. The notice emphasizes that this is solely for market research and does not constitute a solicitation or request for quotes. Respondents are required to provide documentation confirming their eligibility under the Buy Indian Act, including a self-certification form, and details of recent relevant experience, including contract information, scope of work, and customer contacts. The point of contact for submissions is Amber Whitehair, a Contract Specialist. The place of performance is at the Kayenta Health Center, and the government will evaluate market responses to determine the appropriate acquisition strategy, which may include set-asides or unrestricted procurement. This process aims to ensure the government can identify qualified sources capable of delivering pediatrician services in accordance with federal requirements and preferences.
Navajo Area Indian Health Svc

POSTED

3 days ago

DEADLINE

in 1 day
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NAICS: 621111
Awarded
Federal
Q522--OKC VAMC Interventional Radiology Services Period of Performance September 1, 2026 - August 31, 2027
Solicitation # 36C25926Q0134
Network Contract Office 19 (36C259)

POSTED

3 days ago

DEADLINE

N/A
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NAICS: 621111
New
SLED
On-Call Pre-Employment Screening and Physical Exam Services and/or Annual Occupational Health Services
Solicitation # 2026-13989
The Port of Portland is soliciting proposals for an on-call personal services contract to provide pre-employment screening, physical examinations, and annual occupational health services for employees of its Police Department, Fire Department, and Communications Center. The contract will be awarded to one or more highly qualified providers for a term of up to five years, with a total compensation ceiling of 10 million dollars, not to exceed 2 million dollars per year. Services are managed through discrete written task orders and must be overseen by licensed physicians to ensure a proper fit-for-duty program. Specific medical requirements include OSHA-compliant respiratory exams and hearing tests performed by CAOHC-certified professionals. The selected provider must maintain comprehensive insurance, including workers compensation and specific automobile liability of 5 million dollars per occurrence for vehicles operating within airfield boundaries. Key personnel are central to the award, and the Port requires written consent for any reassignment or delegation of their responsibilities. Payments are processed monthly with a 30-day term for undisputed invoices. Evaluation of proposals includes a focus on the Shared Prosperity Initiative, specifically regarding workforce development and the use of small, local, and emerging businesses. All services are performed on Port premises and are subject to strict security and confidentiality requirements.
Contracts & Procurement Department of Port of Portland

POSTED

3 days ago

DEADLINE

in 23 days
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NAICS: 621111
New
SLED
Pre-Employment Medical Screening ServicesThe Port of Portland Contracts and Procurement Department in Oregon is seeking a subcontractor to provide comprehensive pre-employment medical screening services for public safety personnel. The scope of work includes conducting physical examinations, laboratory tests, respiratory and hearing evaluations, as well as vision and tuberculosis testing. This opportunity is categorized under NAICS code 621111 and was posted on August 27, 2026. Interested parties must submit their responses by the deadline of September 22, 2026.
Contracts & Procurement Department of Port of Portland

POSTED

3 days ago

DEADLINE

in 23 days
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NAICS: 621111
New
SLED
Annual Occupational Health Physical ExamsThe Port of Portland Contracts and Procurement Department in Oregon is seeking a subcontractor to provide annual occupational health physical exams for police and fire employees. These comprehensive medical evaluations must include the collection of medical histories, blood work, EKGs, respiratory and vision tests, and urinalysis. This opportunity is categorized under NAICS code 621111. The solicitation was posted on August 27, 2026, and the deadline for responses is September 22, 2026.
Contracts & Procurement Department of Port of Portland

POSTED

3 days ago

DEADLINE

in 23 days
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NAICS: 621111
New
Federal
OCONUS Medical Q-Coded Services
Solicitation # HT941026R2000
The contract pertains to OCONUS Medical Q-Coded Services under solicitation HT941026R2000, administered by the Defense Health Agency Hcd West on behalf of the Department of Defense. It is structured as an Indefinite Delivery/Indefinite Quantity (IDIQ) vehicle designed to procure professional medical and medical support services across the Indo-Pacific Command region, with primary focus on Japan and Korea, including specific military treatment facilities such as U.S. Naval Hospital Okinawa and associated BMC sites. The scope encompasses five distinct service lines: direct patient care, mental health, nursing, medical support, and dental services, delivered by credentialed and non-credentialed personnel under standardized labor categories outlined in Technical Exhibit 4 and governed by detailed qualification standards in Technical Exhibit 5 for each role. The contract enforces strict compliance with federal regulations including HIPAA and the Privacy Act of 1974, mandates the use of a Vendor Management System and Enterprise Resource Planning system for contractor accountability, and requires all personnel to meet U.S. work authorization requirements while adhering to installation access protocols and Government-issued identification policies. Performance metrics are tightly defined, including minimum Acceptable Quality Levels such as a 90% overall fill percentage, 92% package acceptance rate, and limits on data errors, with evaluations based on timeliness and accuracy of deliverables on a monthly cycle. The solicitation is set aside for 8(a) small businesses under NAICS code 621111 and is issued as a combined solicitation with a response deadline of April 19, 2027. The Government retains the authority to modify performance locations and markets throughout the contract's life, and contractors must maintain a minimum $2 million line of credit. All contract workers are expected to commence service within 90 days of task order award, with exceptions for hard-to-fill positions. Contractors are required to designate both primary and alternate points of contact, manage a structured team for compliance reporting, and submit quarterly reports on credentialing effectiveness. Special requirements include the maintenance of emergency and privacy policies, adherence to national provider identifier and DEA registration standards, compliance with Countering Trafficking in Persons regulations, and reimbursement for lost government property. While the overall contract value and pricing structure are not specified, the procurement is performance-based and follows a firm fixed-price model. The amendment noted corrects access-related issues to the solicitation materials without altering the underlying terms, and all communications and submissions
Defense Health Agency Hcd West

POSTED

4 days ago

DEADLINE

in 8 months
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NAICS: 621111
New
Federal
Warm Springs Service Unit Nurse Advice Line
Solicitation # 75H71326Q00072
This contract is a combined synopsis and solicitation issued by the Indian Health Service under the Department of Health and Human Services to establish a non-personal service contract for a 24/7 toll-free Nurse Advice and Medical Library line. The service is dedicated to American Indian and Alaska Native patients and their immediate families who are active beneficiaries of the Warm Springs Health and Wellness Center in Warm Springs, Oregon. The contractor must provide U.S. state-licensed Registered Nurses who utilize evidence-based triage protocols and specialized software to provide medical guidance and health education. Key requirements include providing encounter forms to facility staff within 24 hours of a call and maintaining strict HIPAA compliance regarding the protection of patient health information. The period of performance is for one year from the date of award, with a payment structure based on a fixed monthly amount tied to the active user population. This is an Indian Small Business Economic Enterprise set-aside under NAICS code 621111. Evaluation for the award will be based on best value, considering demonstrated prior experience in providing uninterrupted nurse advice services, past performance in comparable healthcare call center operations, and total evaluated price. The contractor is required to maintain medical liability insurance of 1,000,000 dollars per occurrence and must demonstrate cultural sensitivity when interacting with the beneficiary population.
Indian Health Service

POSTED

4 days ago

DEADLINE

in 1 day
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NAICS: 621111
New
Federal
Holistic Health and Fitness Support
Solicitation # FA448426Q0036
The 621st Contingency Response Wing requires professional Holistic Health and Fitness Support to enhance the readiness, lethality, and overall performance of its assigned Airmen. This initiative focuses on optimizing both physical and non-physical performance, reducing injury rates, improving rehabilitation outcomes, and increasing mindfulness. The contract is issued by the Department of Defense under solicitation FA448426Q0036 and is designated as a Total Small Business Set Aside under NAICS code 621111. Performance will take place at Joint Base McGuire-Dix-Lakehurst in New Jersey. Contractors must adhere to strict security and safety protocols as outlined in the Joint Base McGuire-Dix-Lakehurst Basic Defense Plan and Antiterrorism Guide. This includes mandatory criminal history and background checks for personnel, compliance with installation entry control procedures, and adherence to Force Protection Conditions. Additionally, the 87th Medical Treatment Facility provides urgent care for on-duty injuries, though all associated costs are the responsibility of the contractor or employee. Responses to this solicitation are due by September 14, 2026.
FA4484 87 Cons Pk

POSTED

4 days ago

DEADLINE

in 15 days
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NAICS: 621111
New
Grant
Pediatric Urology Clinical Services for Spina BifidaThis subcontract through the Department of Health and Human Services and the Centers for Disease Control focuses on providing specialized pediatric urology clinical services. The primary objective is to deliver care under the UMPIRE protocol, which involves the assessment, treatment planning, and long-term management of kidney and urinary health for children diagnosed with spina bifida. The opportunity is categorized under NAICS code 621111 and was posted on August 26, 2026. Interested parties must submit their responses by the deadline of October 26, 2026.
Centers For Disease Control - Ncbddd

POSTED

4 days ago

DEADLINE

in about 2 months
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