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What Is a NAICS 8-Digit Code?
All NAICS SIC Companies
SIC 6-Digit NAICS 8-Digit ISIC (International) NACE (Europe) SOC (Occupations) Extended SOC (O*NET)

NAICS 8-Digit Codes for "physician"

Extended NAICS codes provide more specific industry categories within official 6-digit NAICS classifications, supporting more precise industry segmentation, market research, and business targeting. For official NAICS classification, use the 6-digit NAICS code.

Search this keyword in SIC 6-Digit codes.

companies

Verified U.S. companies available for purchase in this industry. Counts are based on primary business classifications.

Industry NAICS 8-Digit U.S. companies Add

Physician & Surgeon Recruitment

Parent: Employment Placement Agencies

Matches: Physician staffing

Extended NAICS 561311-08 companies 61companies

Physicians & Surgeons Information Bureau

Parent: All Other Miscellaneous Ambulatory Health Care Services

Matches: Physician referral services

Extended NAICS 621999-46 companies 214companies

Physicians Assistants

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Physician Assistants (PAs) are healthcare professionals who work under the supervision of licensed...

Extended NAICS 621399-32 companies 98,307companies

Physicians & Surgeons

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: Physicians & Surgeons is a subdivision of the NAICS Code 621111, which includes offices of physicians...

Extended NAICS 621111-07 companies 876,501companies

Physicians-Naturopathic

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Physicians-Naturopathic is a subdivision of the NAICS Code 621399 that involves the practice of...

Extended NAICS 621399-33 companies 2,055companies

Physicians-Oriental Medicine

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Physicians-Oriental Medicine is a specialized industry that involves the practice of traditional Chinese...

Extended NAICS 621399-52 companies 58companies

Physicians & Surgeons-Emergency Service

Parent: Freestanding Ambulatory Surgical and Emergency Centers

Matches: Physicians & Surgeons-Emergency Service is a subdivision of the NAICS Code 621493, which falls under the...

Extended NAICS 621493-02 companies —

Physicians/Surgeons DPM Podiatrist Exchg

Parent: Offices of Podiatrists

Matches: Physicians/Surgeons DPM Podiatrist Exchg is a subdivision of the NAICS Code 621391 that involves the...

Extended NAICS 621391-01 companies 19companies

Allergy Physicians

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: Allergy physicians are medical professionals who specialize in the diagnosis and treatment of allergies...

Extended NAICS 621111-11 companies 734companies

Otorhinolaryngology Ear Nose Physician

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: Otorhinolaryngology Ear Nose Physicians are medical professionals who specialize in the diagnosis and...

Extended NAICS 621111-09 companies 634companies

House Calls Physicians

Parent: Freestanding Ambulatory Surgical and Emergency Centers

Matches: House Calls Physicians is a subdivision of the NAICS Code 621493, which involves the provision of medical...

Extended NAICS 621493-03 companies —

Physicians & Surgeons Equipment & Supplies (Manufacturing)

Parent: Surgical and Medical Instrument Manufacturing

Matches: The Physicians & Surgeons Equipment & Supplies (Manufacturing) industry is a subdivision of the Surgical...

Extended NAICS 339112-03 companies 1,441companies

Physicians/Surgeons Equipment Spec Designed (Manufacturing)

Parent: Surgical and Medical Instrument Manufacturing

Matches: The Physicians/Surgeons Equipment Spec Designed (Manufacturing) industry involves the production of...

Extended NAICS 339112-04 companies 7companies

Physicians & Surgeons Equipment & Supplies (Wholesale)

Parent: Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Matches: The Physicians & Surgeons Equipment & Supplies (Wholesale) industry involves the distribution of medical...

Extended NAICS 423450-28 companies 6,367companies

Medical Services-Temporary

Parent: Professional Employer Organizations

Matches: Temporary physician staffing

Extended NAICS 561330-02 companies 63companies

Health Maintenance Organizations

Parent: All Other Miscellaneous Ambulatory Health Care Services

Matches: Primary care physician services

Extended NAICS 621999-19 companies 171companies

Schools-Medical

Parent: Colleges, Universities, and Professional Schools

Matches: Physician assistant schools

Extended NAICS 611310-08 companies 610companies

Medical Management Service

Parent: Voluntary Health Organizations

Matches: Physician Practice Management Companies

Extended NAICS 813212-02 companies 455companies

Pain Control

Parent: Medical Laboratories

Matches: The Pain Control industry is a subdivision of the Medical Laboratories industry, which focuses on the...

Extended NAICS 621511-08 companies 1,484companies

Hormone Therapy

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: Hormone therapy is a medical treatment that involves the use of hormones to alleviate symptoms caused by...

Extended NAICS 621111-22 companies 114companies

Sports Medicine & Injuries

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: Sports Medicine & Injuries is a subdivision of the NAICS Code 621111 that focuses on the prevention...

Extended NAICS 621111-08 companies 1,325companies

In-Patient Clinics & Treatment Ctr

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: In-Patient Clinics & Treatment Centers are medical facilities that provide care to patients who require...

Extended NAICS 621111-25 companies 23companies

Balance Centers

Parent: Offices of Physicians (except Mental Health Specialists)

Matches: Balance Centers are specialized medical facilities that focus on diagnosing and treating balance...

Extended NAICS 621111-27 companies 14companies

Paramedical Services

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Paramedical Services is a subdivision of the NAICS Code 621399 that involves the provision of health care...

Extended NAICS 621399-30 companies 17companies

Medical Groups

Parent: All Other Miscellaneous Ambulatory Health Care Services

Matches: Medical Groups are organizations that provide medical care services to patients. These groups are composed...

Extended NAICS 621999-33 companies 904companies

Medical Staff Relief

Parent: Professional Employer Organizations

Matches: Medical Staff Relief is a subdivision of the Professional Employer Organizations industry that provides...

Extended NAICS 561330-08 companies 124companies

Clinics

Parent: Freestanding Ambulatory Surgical and Emergency Centers

Matches: Clinics are medical facilities that provide outpatient care to patients. They are typically smaller than...

Extended NAICS 621493-01 companies —

Nurses-Practitioners

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Nurse practitioners are advanced practice registered nurses who provide a range of healthcare services to...

Extended NAICS 621399-23 companies 230,422companies

Orthotics

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Orthotics is a specialized field within the healthcare industry that focuses on the design, manufacture...

Extended NAICS 621399-29 companies 149companies

Nurses Licensed Practical Lpn

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Nurses Licensed Practical (LPN) are healthcare professionals who provide basic nursing care under the...

Extended NAICS 621399-77 companies 4,535companies

Nurses-Registered RN

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Registered Nurses (RNs) are healthcare professionals who have completed a nursing program and are licensed...

Extended NAICS 621399-20 companies 51,550companies

Nursing Services

Parent: Offices of All Other Miscellaneous Health Practitioners

Matches: Nursing Services is a subdivision of the NAICS Code 621399 that involves the provision of healthcare...

Extended NAICS 621399-24 companies 328companies

Compounding (Retail)

Parent: Pharmacies and Drug Retailers

Matches: Compounding (Retail) is a specialized industry within the broader category of pharmacies and drug...

Extended NAICS 456110-14 companies 24companies

Blood Tests

Parent: Medical Laboratories

Matches: Blood Tests is a subdivision of the Medical Laboratories industry that involves the analysis of blood...

Extended NAICS 621511-02 companies 33companies

Diagnostic Imaging Centers

Parent: Diagnostic Imaging Centers

Matches: Diagnostic Imaging Centers are facilities that specialize in providing diagnostic imaging services to...

Extended NAICS 621512-07 companies 4,474companies

Surgical Appliances (Retail)

Parent: All Other General Merchandise Retailers

Matches: Surgical Appliances (Retail) is a subdivision of the NAICS Code 455219 that involves the retail sale of...

Extended NAICS 455219-25 companies 119companies

Medical Spas

Parent: Offices of Physical, Occupational and Speech Therapists, and Audiologists

Matches: Medical spas are facilities that offer a range of cosmetic and medical services in a spa-like setting...

Extended NAICS 621340-13 companies 2,823companies

Offices & Clinics Of Doctors-Osteopathy

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-04 companies 104companies

Orthopedic Surgeons

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-19 companies 2,286companies

Optometrists OD-Geriatric Optometry

Parent: Offices of Optometrists

Extended NAICS 621320-05 companies 35companies

Medical & Surgical Service Organizations

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-30 companies 422companies

Medical Management Consultants

Parent: Other Management Consulting Services

Extended NAICS 541618-12 companies 516companies

Hospices

Parent: Nursing Care Facilities (Skilled Nursing Facilities)

Extended NAICS 623110-11 companies 6,067companies

Podiatric Sports Medicine

Parent: Offices of Podiatrists

Extended NAICS 621391-05 companies 8companies

Dermatologists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-02 companies 2,555companies

Neonatologists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-15 companies 151companies

Health Services

Parent: All Other Miscellaneous Ambulatory Health Care Services

Extended NAICS 621999-21 companies 33,853companies

Anesthetists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-01 companies 1,030companies

Oculists MD

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-03 companies 24companies

Ophthalmologists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-05 companies 1,492companies

Pathologists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-06 companies 1,062companies

Cosmetic Plastic/Reconstructive Surgery

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-10 companies 1,372companies

Preventive Medicine

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-13 companies 56companies

Endermologie

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-14 companies 1companies

Oncologists

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-16 companies 1,311companies

Pulmonary & Respiratory Diseases

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-17 companies 387companies

Nephrology

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-18 companies 485companies

Hand Surgery

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-20 companies 36companies

Pediatric Neurology

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-21 companies 257companies

Prostate Screening

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-23 companies —

Health Screening & Vaccination Services

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-24 companies 160companies

Imrt (Intnsty Modulated Radiation Thrpy)

Parent: Offices of Physicians (except Mental Health Specialists)

Extended NAICS 621111-28 companies 7companies

Psychiatry-Adult Child & Adolescent

Parent: Offices of Physicians, Mental Health Specialists

Extended NAICS 621112-07 companies 1,873companies

Psychoanalysts

Parent: Offices of Physicians, Mental Health Specialists

Extended NAICS 621112-08 companies 326companies

Psychotherapists

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-01 companies 2,912companies

Pharmacists

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-02 companies 85,259companies

Social Workers

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-03 companies 93,244companies

Mental Health Counselors

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-04 companies 4,336companies

Psychosocial Therapists

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-05 companies 27companies

Lyme Disease-Information & Services

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-06 companies 4companies

Play Therapist

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-07 companies 10companies

Brain State Conditioning

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-08 companies 14companies

Therapy

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-09 companies 2,034companies

Psychologists Educational

Parent: Offices of Mental Health Practitioners (except Physicians)

Extended NAICS 621330-10 companies 10companies

Vascular Surgery

Parent: HMO Medical Centers

Extended NAICS 621491-01 companies —

Acupuncture

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-01 companies 13,662companies

Alternative Medicine

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-02 companies 1,746companies

Biofeedback Therapists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-03 companies 72companies

Dietitians

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-04 companies 12,905companies

Eating Disorders Info & Treatment Ctrs

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-05 companies 230companies

Healers-Mind Body & Spiritual

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-07 companies 61companies

Flotation Centers

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-08 companies 2companies

Infertility Treatment

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-09 companies 244companies

Health & Nutrition Consultants

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-10 companies 387companies

Homeopaths

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-11 companies 66companies

Hypnotists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-12 companies 302companies

Kinesiotherapy

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-13 companies 57companies

Laser Surgery

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-14 companies 57companies

Medical Diagnostic Equipment-Mobile

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-15 companies 34companies

Midwives

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-16 companies 6,767companies

Myotherapy

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-17 companies 7companies

Natural Health & Education

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-18 companies 33companies

Neuropaths

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-19 companies 36companies

Nursing Assistants

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-21 companies 48companies

Nurses-Licensed-Anesthetist

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-22 companies 14,271companies

Nutritionists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-25 companies 3,256companies

Offices Of Health Practitioners NEC

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-26 companies 2,011companies

Orthoptists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-27 companies 50companies

Orthotherapists

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-28 companies 4companies

Paramedics

Parent: Offices of All Other Miscellaneous Health Practitioners

Extended NAICS 621399-31 companies 20companies

Hospitals

Parent: General Medical and Surgical Hospitals

Extended NAICS 622110-02 companies 4,752companies

Other classifications

Search "physician" in SIC 6-Digit codes →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

Classification methodology →

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