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NAICS Code· 621498

NAICS 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.

16
Active Contracts
$457.3M
Total Obligations (12mo)
207
Awarded Contracts (12mo)
61
Contractors Awarded (12mo)
1
Median Bidders per Award
+18.0%
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.

Small Business Size Standard

The SBA threshold that decides who can bid NAICS 621498 work as a small business.

$25.5M
Applies to the whole industry code

The SBA cap for this NAICS (13 CFR 121.201). A business at or under it can self-certify as small for work in this code, which is what makes it eligible for a small-business set-aside. The cap is set per NAICS, so the same company can be small in one code and not in another.

13 CFR 121.201, effective January 1, 2026. The SBA revises the table roughly once a year.

Top Contractors

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

Top Agencies

Federal agencies directing the most contract spending toward NAICS 621498.

Competition

How many companies historically bid on federal awards in NAICS 621498, 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. · 6,566 reported awards

Median Bidders

1

Per reported award, all-time

Single-Bid Awards

70%

Share of reported awards with one bidder

10+ Bidder Awards

1%

Share of reported awards with 10+ bidders

Reported Awards

6,566

76% of 8,591 total awards

Bidder Count Distribution by Fiscal Year

Share of reported awards in each bidder-count bracket per federal fiscal year.

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
621498This Code
All Other Outpatient Care Centers
Usually Single-Bid170%
6,56676% of 8,591
62149NAICS Industry
Usually Single-Bid169%
9,77876% of 12,827
6214Industry Group
Outpatient Care Centers
Usually Single-Bid152%
29,50784% of 35,330
621Subsector
Usually Single-Bid165%
305,49284% of 362,305
62Sector
Health Care and Social Assistance
Usually Single-Bid171%
550,70684% of 657,924

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

Explore contracts across multiple NAICS codes Browse all NAICS Codes

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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
SLED
Hepatitis C Virus Linkage and Navigation to Care
Solicitation # 26P3-002
The County of Santa Cruz, through its General Services Department Purchasing Division, is soliciting proposals under solicitation number 26P3-002 for Hepatitis C Virus Linkage and Navigation to Care services. The project aims to identify individuals living with or at risk for Hepatitis C Virus (HCV) and provide a comprehensive workflow including client screening, confirmatory lab testing, coordination of medical visits, and support for medication adherence to achieve a cure. These services will target priority populations for Fiscal Year 2026-2027, including people experiencing homelessness, people who use or inject drugs, people with HIV, trans/non-binary persons, and Black, indigenous, and other people of color. All activities must adhere to the 2025 AASLD HCV Guidance. The budget for these efforts is 45,841.00 dollars, with an intended contract period through June 30, 2027, and the possibility of one one-year extension. Eligible respondents must be established entities with at least two years of experience in the specified field and must provide a qualified contract manager. Proposals are due by October 30, 2026, via the OpenGov Procurement portal and will be evaluated on a points-based system to determine the most responsive and responsible respondent offering the greatest value. Awardees must maintain significant insurance coverages, including 2,000,000 dollars in general liability and statutory worker's compensation. The contract includes strict requirements for the protection of health and personally identifiable information, a five-year record retention policy, and a mandate that all work be performed by workers within the United States. Compliance with non-discrimination clauses and the submission of a non-collusion declaration are also required.
Central Purchasing

POSTED

8 days ago

DEADLINE

in 18 days
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