Federal NAICS Codes

NAICS 621999: All Other Miscellaneous Ambulatory Health Care Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 621999.

NAICS 621999 federal market metrics

Total obligations
$11.3B
Total awards
12,449 awards
Active obligations
$1.1B
Size standard
$20,500,000 receipts

What this NAICS covers

NAICS 621999 covers miscellaneous ambulatory health care services not classified elsewhere, including specialized outpatient clinics, nonphysician treatment programs, therapy and rehabilitation services, mobile or community-based clinical care, and related patient care activities provided outside hospital settings.

Federal opportunities under 621999 typically involve procuring outpatient clinical services or mobile care programs to deliver targeted patient treatment, rehabilitation or specialty clinic capacity, including clinical staffing, protocol-driven care delivery, patient recordkeeping, and outcome or utilization reporting.

FY2025 snapshot

Obligations
$211.7M
Awards
314
Average award
$674.3K
Change from FY2024
-59.5%

Recent awards

Search contractors

$35,000

FORENSIC DRUG & ALCOHOL TESTING LLC

Federal Bureau of Investigation

PIID
15F06726F0001018
PSC
L066 - TECHNICAL REPRESENTATIVE- INSTRUMENTS AND LABORATORY EQUIPMENT

$181,700

NEXTMED LASER, LLC

Department of Veterans Affairs

PIID
36C25626N0537
PSC
Q525 - MEDICAL- UROLOGY

$6,661,023

KADIAK LLC

Federal Law Enforcement Training Center

PIID
70LGLY26CGLB00004
PSC
Q201 - MEDICAL- GENERAL HEALTH CARE

FAQ

What work fits NAICS 621999?
  • Mobile clinic delivering episodic primary assessments and basic procedures on-site with clinician notes uploaded to contractor-provided health records.
  • Behavioral health screening and brief intervention sessions with licensed clinicians, standardized assessment tools, and monthly utilization reports.
  • Wound care and dressing changes performed by licensed nurses with supply tracking and per-patient treatment logs.
  • Occupational health fitness-for-duty physicals and clearance documentation provided according to contract clinical protocols and credential verification.
When is NAICS 621999 a weak fit?
  • Clinical diagnostic testing requiring certified laboratory processing and validated analytic methods: missing laboratory instrumentation, assay validation, and diagnostic reporting expected from medical laboratories.
  • Dental treatment services requiring dental operatory equipment and licensed dental professionals: missing dental-specific procedures, equipment, and dental licensure scope.
  • Facility-based specialty care requiring inpatient observation, procedure suites, or hospital privileges: missing facility inpatient capacity, overnight monitoring, and bed-management capabilities.
What solicitation language points to NAICS 621999?
  • Statement of work lists required clinician qualifications by license type, credentialing documentation, and background-check requirements.
  • Deliverables require per-encounter clinical notes, structured EHR exports or specified electronic documentation formats, and monthly utilization and outcomes reports.
  • Performance standards specify maximum patient wait times, referral escalation protocols, and incident reporting timelines.

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