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

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What is NAICS 621111

NAICS code 621111 covers establishments primarily engaged in the independent practice of general or specialized medicine by health practitioners holding an M.D. or D.O. degree, excluding mental health specialists. This sector includes private or group physician offices, clinics, and centers where these medical professionals provide diagnosis, treatment, and surgery across a broad range of medical disciplines. These practices may operate independently or within the facilities of other entities such as hospitals or health maintenance organizations (HMOs). Government agencies contract with these providers to ensure access to high-quality medical care for federal employees, military personnel, veterans, and underserved populations. The sector plays a crucial role in delivering primary and specialized health services essential to public health and workforce readiness. Contracting with these providers supports government healthcare missions, reduces medical costs through preventive care, and enhances readiness and wellness among covered populations.

Industry Classification for NAICS 621111

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.

Breakdown for NAICS 621111

  • Includes medical practices operated by M.D. or D.O. physicians excluding mental health specialists.
  • Encompasses general and specialized medical services delivered in private or group offices.
  • Practices may operate independently or within hospital or HMO facilities.
  • Small and medium-sized practices dominate, with varying contract scopes and values.
  • Government contracting supports healthcare delivery to military, veterans, and federal employees.
  • Contracts range from local outpatient services to comprehensive multi-year agreements.

Included Activities for NAICS 621111

  • Providing general medical examinations and diagnosis
  • Performing specialized medical treatments and minor surgeries
  • Managing outpatient care and patient follow-up
  • Coordinating care with hospitals and other healthcare providers
  • Delivering preventive and wellness services
  • Utilizing telemedicine for remote consultations
  • Administering chronic disease management programs
  • Maintaining compliance with federal healthcare regulations

Business Types for NAICS 621111

  • Private physician offices
  • Group medical practices
  • Specialty medical clinics
  • Outpatient surgery centers
  • Medical centers affiliated with hospitals or HMOs
  • Solo practitioner medical offices

Subcategories for NAICS 621111

  • Acupuncturists' (MDs or DOs) offices (e.g., centers, clinics)
  • Allergists' offices (e.g., centers, clinics)
  • Anesthesiologists' offices (e.g., centers, clinics)
  • Cardiologists' offices (e.g., centers, clinics)
  • Clinical pathologists' offices (e.g., centers, clinics)
  • Dermatologists' offices (e.g., centers, clinics)
  • Doctors of osteopathic medicine (DOs, except mental health) offices (e.g., centers, clinics)
  • DOs' (doctors of osteopathic medicine, except mental health) offices (e.g., centers, clinics)
  • Family physicians' offices (e.g., centers, clinics)
  • Forensic pathologists' offices
  • Gastroenterologists' offices (e.g., centers, clinics)
  • Gynecologists' offices (e.g., centers, clinics)
  • Health screening services in physicians' offices
  • Immunologists' offices (e.g., centers, clinics)
  • Internists' offices (e.g., centers, clinics)
  • MDs' (medical doctors, except mental health) offices (e.g., centers, clinics)
  • Medical doctors' (MDs, except mental health) offices (e.g., centers, clinics)
  • Nephrologists' offices (e.g., centers, clinics)
  • Neurologists' offices (e.g., centers, clinics)
  • Neuropathologists' offices (e.g., centers, clinics)
  • Obstetricians' offices (e.g., centers, clinics)
  • Oncologists' offices (e.g., centers, clinics)
  • Ophthalmologists' offices (e.g., centers, clinics)
  • Orthopedic physicians' offices (e.g., centers, clinics)
  • Orthopedic surgeons' offices (e.g., centers, clinics)
  • Osteopathic physicians' (except mental health) offices (e.g., centers, clinics)
  • Otolaryngologists' offices (e.g., centers, clinics)
  • Pathologists' (except oral, speech, voice) offices (e.g., centers, clinics)
  • Pathologists', forensic, offices (e.g., centers, clinics)
  • Pathologists', neuropathological, offices (e.g., centers, clinics)
  • Pathologists', surgical, offices (e.g., centers, clinics)
  • Pediatricians' (except mental health) offices (e.g., centers, clinics)
  • Physicians' (except mental health) offices (e.g., centers, clinics)
  • Plastic surgeons' offices (e.g., centers, clinics)
  • Proctologists' offices (e.g., centers, clinics)
  • Pulmonary specialists' offices (e.g., centers, clinics)
  • Radiologists' offices (e.g., centers, clinics)
  • Surgeons' (except dental) offices (e.g., centers, clinics)
  • Surgical pathologists' offices (e.g., centers, clinics)
  • Urologists' offices (e.g., centers, clinics)
  • Walk-in physicians' offices (e.g., centers, clinics)

Government Buyers for NAICS 621111

Federal agencies such as the Department of Veterans Affairs, Department of Defense, Indian Health Service, and the Office of Personnel Management frequently procure services under NAICS 621111. These agencies require physician services to provide comprehensive outpatient care to veterans, active duty military members, Native American populations, and federal employees. Additionally, state and local government health departments may contract for physician services to support public health initiatives, emergency response, and community health programs. The need to maintain timely and effective healthcare access drives these agencies to engage private physician offices and clinics through contracts, ensuring continuity of care for beneficiaries and compliance with regulatory health standards.

Contract Types & Procurement for NAICS 621111

Contracts in this sector typically include service agreements, task orders, and indefinite delivery/indefinite quantity (IDIQ) contracts. Procurement methods range from competitive sealed bidding to negotiated contracts, often leveraging General Services Administration (GSA) schedules or healthcare-specific acquisition vehicles. Contract values vary widely based on scope, from smaller local clinic service contracts valued under $500,000 to large-scale multi-year agreements exceeding several million dollars for comprehensive medical services. Agencies may also utilize grants or cooperative agreements for public health physician services. Contract terms often include performance metrics related to patient outcomes, access to care, and compliance with federal healthcare regulations.

Details for NAICS 621111

Explore the hierarchy and related codes for this industry

NAICS Code Industry Title
621 Ambulatory Health Care Services
6211 Offices of Physicians
62111 Offices of Physicians
621111 Current Offices of Physicians (except Mental Health Specialists)
621112 Offices of Physicians, Mental Health Specialists
6212 Offices of Dentists
62121 Offices of Dentists
621210 Offices of Dentists
6213 Offices of Other Health Practitioners
62131 Offices of Chiropractors
621310 Offices of Chiropractors
62132 Offices of Optometrists
621320 Offices of Optometrists
62133 Offices of Mental Health Practitioners (except Physicians)
621330 Offices of Mental Health Practitioners (except Physicians)
62134 Offices of Physical, Occupational and Speech Therapists, and Audiologists
621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists
62139 Offices of All Other Health Practitioners
621391 Offices of Podiatrists
621399 Offices of All Other Miscellaneous Health Practitioners
6214 Outpatient Care Centers
62141 Family Planning Centers
621410 Family Planning Centers
62142 Outpatient Mental Health and Substance Abuse Centers
621420 Outpatient Mental Health and Substance Abuse Centers
62149 Other Outpatient Care Centers
621491 HMO Medical Centers
621492 Kidney Dialysis Centers
621493 Freestanding Ambulatory Surgical and Emergency Centers
621498 All Other Outpatient Care Centers
6215 Medical and Diagnostic Laboratories
62151 Medical and Diagnostic Laboratories
621511 Medical Laboratories
621512 Diagnostic Imaging Centers
6216 Home Health Care Services
62161 Home Health Care Services
621610 Home Health Care Services
6219 Other Ambulatory Health Care Services
62191 Ambulance Services
621910 Ambulance Services
62199 All Other Ambulatory Health Care Services
621991 Blood and Organ Banks
621999 All Other Miscellaneous Ambulatory Health Care Services
622 Hospitals
6221 General Medical and Surgical Hospitals
62211 General Medical and Surgical Hospitals
622110 General Medical and Surgical Hospitals
6222 Psychiatric and Substance Abuse Hospitals
62221 Psychiatric and Substance Abuse Hospitals
622210 Psychiatric and Substance Abuse Hospitals
6223 Specialty (except Psychiatric and Substance Abuse) Hospitals
62231 Specialty (except Psychiatric and Substance Abuse) Hospitals
622310 Specialty (except Psychiatric and Substance Abuse) Hospitals
623 Nursing and Residential Care Facilities
6231 Nursing Care Facilities (Skilled Nursing Facilities)
62311 Nursing Care Facilities (Skilled Nursing Facilities)
623110 Nursing Care Facilities (Skilled Nursing Facilities)
6232 Residential Intellectual and Developmental Disability, Mental Health, and Substance Abuse Facilities
62321 Residential Intellectual and Developmental Disability Facilities
623210 Residential Intellectual and Developmental Disability Facilities
62322 Residential Mental Health and Substance Abuse Facilities
623220 Residential Mental Health and Substance Abuse Facilities
6233 Continuing Care Retirement Communities and Assisted Living Facilities for the Elderly
62331 Continuing Care Retirement Communities and Assisted Living Facilities for the Elderly
623311 Continuing Care Retirement Communities
623312 Assisted Living Facilities for the Elderly
6239 Other Residential Care Facilities
62399 Other Residential Care Facilities
623990 Other Residential Care Facilities
624 Social Assistance
6241 Individual and Family Services
62411 Child and Youth Services
624110 Child and Youth Services
62412 Services for the Elderly and Persons with Disabilities
624120 Services for the Elderly and Persons with Disabilities
62419 Other Individual and Family Services
624190 Other Individual and Family Services
6242 Community Food and Housing, and Emergency and Other Relief Services
62421 Community Food Services
624210 Community Food Services
62422 Community Housing Services
624221 Temporary Shelters
624229 Other Community Housing Services
62423 Emergency and Other Relief Services
624230 Emergency and Other Relief Services
6243 Vocational Rehabilitation Services
62431 Vocational Rehabilitation Services
624310 Vocational Rehabilitation Services
6244 Child Care Services
62441 Child Care Services
624410 Child Care Services

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