Canadian industry

621110 Offices of physicians

Cabinets de médecins

Official definition

This Canadian industry comprises establishments of licensed physicians primarily engaged in the private or group practice of general or specialized medicine or surgery. Offices of physicians, especially walk-in centres that accept patients without appointment and that often have extended office hours, are sometimes called clinics or medical centres. These establishments must not be confused with other out-patient centres that are also referred to as clinics.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleOffices of physicians
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelCanadian industry
Parent code62111 - Offices of physicians
International correspondenceQ8620*
Sourcehttps://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification2026-08-13
Canada Business Context

Canada-wide tax and filing context

Canada-wide business, tax, and filing context from the local country pack and tax pack.

Characteristic Description
Tax authorityCanada Revenue Agency (CRA)
Business identifierBusiness Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax.
Filing requirementsBusiness Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authorityHealth Canada and provincial colleges of physicians and health professionals

Examples

  • anesthesiologists' offices
  • doctors' clinics, general practice
  • emergency room physician
  • family physicians, general practice
  • group practice, physicians
  • obstetricians' offices
  • ophthalmologists' offices
  • osteopaths' offices
  • paediatricians' offices
  • plastic surgeons' offices
  • psychiatrists' offices
  • surgeons' offices
  • ambulatory surgical centres
  • anaesthetists' offices
  • anesthesiologists' offices
  • cardiologists' offices
  • clinic, operated by physicians in group practice
  • dermatologists, offices of
  • dispensaries, operated by groups of physicians
  • doctors' clinics, general practice
  • doctors' clinics, specialists
  • emergency room physician
  • family physicians, general practice
  • freestanding emergency medical (M.D.) centres
  • general medical practice, physicians
  • general practitioners, medical, private practice
  • group practice, osteopaths
  • group practice, physicians
  • gynecologists' offices
  • laser cosmetic clinic
  • laser eye surgery clinic
  • medical doctors, private practice
  • medical offices, general physicians
  • medical offices, specialist and surgeons
  • medical pathologists' offices
  • neurologists' offices
  • obstetricians' offices
  • oculists' offices
  • oculists, private practice
  • ophthalmologists' offices
  • orthopaedists, private practice
  • orthopedic physicians, offices of
  • osteopathic physicians, offices and clinics of
  • osteopaths' offices
  • paediatricians' offices
  • pathologists (M.D.), offices of
  • pathologists, private practice
  • pediatricians, offices of
  • physicians (M.D.) (primarily specialists), offices and clinics of
  • physicians' offices, general practice
  • plastic surgeons' offices
  • primary care medical (M.D.) clinics
  • psychiatrists' offices
  • psychoanalysts' offices
  • psychotherapists with a doctoral degree in medicine
  • radiologists' offices
  • specialist physicians and surgeons
  • surgeons' offices
  • urologists, offices of

Classification Confidence Score

5 of 6 factors passing

8/ 10
Verified official sourcenaics-scian-2022-structure-v1-eng.csv (2026-08-13)
International crosswalkISIC Rev. 4 mapping: Q8620*
Previous edition migrationNAICS 2017 to 2022 continuity confirmed
Complete hierarchy5 levels confirmed in hierarchy
Size or threshold documentedSME thresholds documented in federal tax pack
Trade or export matchNo direct HS code correspondence in current bundle
Legacy crosswalkLegacy system (SIC 1980) retired in this region
Business Profiles

When you might need code 621110

These role examples come from the official title and example wording attached to this code.

01 621110
Offices of physicians

Use this page when the business is directly described by the official title or definition for 621110 Offices of physicians. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.

02 621110
anesthesiologists' offices

Use this page when the activity is described in the official StatCan example wording as anesthesiologists' offices. Compare the definition, exclusions, and nearby codes here before attaching 621110 Offices of physicians to a business file.

03 621110
doctors' clinics, general practice

Use this page when the activity is described in the official StatCan example wording as doctors' clinics, general practice. Compare the definition, exclusions, and nearby codes here before attaching 621110 Offices of physicians to a business file.

04 621110
emergency room physician

Use this page when the activity is described in the official StatCan example wording as emergency room physician. Compare the definition, exclusions, and nearby codes here before attaching 621110 Offices of physicians to a business file.

Business Map

Business categories in this branch

A rotating set of business activity examples linked to this part of the Canadian hierarchy.

Home healthResidential careClinical servicesSocial assistance

In this section

  • 621110Offices of physicians

ISIC Rev. 4 correspondence

Q8620*Medical and dental practice activities

Approximate correspondence

Offices of physicians

US NAICS referenceNo exact same-code US entry appears in the local reference workbook.

Source row

621110Offices of physicians

This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.

Frequently asked questions

What does code 621110 cover?

Offices of physicians: This Canadian industry comprises establishments of licensed physicians primarily engaged in the private or group practice of general or specialized medicine or surgery. Offices of physicians, especially walk-in centres that accept patients without appointment...

Which level of the hierarchy is 621110?

It is a canadian industry page in the NAICS Canada 2026 hierarchy.

What is the parent of 621110?

It rolls up to 62111 Offices of physicians.

Should I stop at 621110 or go lower?

This page already points to the exact six-digit Canadian industry in the current site structure.

Are official inclusion notes attached to 621110?

No inclusion rows are attached to this page in the local elements file.

Are there exclusion notes for 621110?

No exclusion rows are attached to this page in the local elements file.

Does 621110 include illustrative examples?

Yes. 59 example row(s) are available for boundary checking.

What kinds of businesses often start from this page?

Examples in this branch include Home health, Residential care, Clinical services, Social assistance.

Is there an ISIC mapping for 621110?

Yes. The page shows Q8620* Medical and dental practice activities.

Does this page show a US NAICS reference?

No same-code US NAICS reference row is attached on this page.

Why are both English and French titles shown?

NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.

Where does the page text come from?

From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.