Healthcare professionals in Ontario, OR
- Healthcare professionals
- 607
- Physicians (MD, DO)
- 38
- Nurses and NPs
- 38
- Physician assistants
- 18
- Behavioral health clinicians
- 253
There are 38 physicians among 607 healthcare professionals in Ontario. Saint Alphonsus Medical Center - Ontario has the most affiliated doctors, 266, and family medicine is the most common physician specialty.
Find work emails and mobile numbers for 607 Ontario HCPs
Validated work emails and mobile numbers for Ontario physicians, nurses and every other HCP type, found through healthcare waterfall enrichment, with a free Dmand AI account.
There are 38 physicians (MD and DO) among 607 healthcare professionals in Ontario, OR
Counting every HCP with an active NPI and an Ontario practice address. Behavioral health clinicians are the largest group, with 253, and home and community care workers second, with 124.
Ontario HCPs by type
- Behavioral health clinicians253
- Home and community care workers124
- Nurses and nurse practitioners38
- Physicians (MD, DO)38
- Pharmacists26
- Dentists and dental staff25
- Physician assistants18
- Therapists (PT and OT)10
- Speech therapists and audiologists10
- Optometrists and opticians9
- Other HCPs56
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Family medicine is the most common physician specialty in Ontario, with 7 physicians
Emergency medicine is second, with 5, and diagnostic radiology third, with 4. Each physician is counted once, under the primary specialty on their NPI record.
- Family medicine7
- Emergency medicine5
- Diagnostic radiology4
- Internal medicine3
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Saint Alphonsus Medical Center - Ontario has the most affiliated doctors in Ontario, with 266
Physicians are counted at each hospital where they have a current affiliation, wherever they live.
| # | Hospital | Health system | Physicians | HCPs |
|---|---|---|---|---|
| 1 | Saint Alphonsus Medical Center - OntarioOntario | Trinity Health | 266 | 418 |
Source: Dmand AI Affiliation Data
Saint Alphonsus Medical Group has the most doctors of any Ontario medical group, with 12
Physician's Primary Care Center is second with 1 physicians, and Stark Medical Group third with 1. Counts are physicians and HCPs with an Oregon address.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
For health IT teams
Dmand AI has the EHR for 310 of 607 Ontario HCPs, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Group practices and clinics are the most common site of care for Ontario healthcare professionals, with 63
Hospitals are second, with 61. A clinician can practice at several kinds of site, so the shares overlap. Pharmacies are left out.
Ontario HCPs by site of care
- Group practices and clinics63
- Hospitals61
- Therapy and rehab centers50
- FQHCs13
- Physician offices12
- Home health agencies10
- Skilled nursing facilities3
- Ambulatory surgery centers3
- Urgent care centers3
See every site where Ontario HCPs practice
Each public profile names one place an HCP practices. A free account shows every current hospital, clinic and medical group, the employer and validated contacts for all 607.
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
48% of Ontario physicians finished medical school 30 or more years ago
12 of the 25 Ontario physicians with a graduation year on file. 2 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago2
- 10 to 19 years ago7
- 20 to 29 years ago4
- 30 to 39 years ago7
- 40 or more years ago5
Source: Dmand AI Professional Profile Data
Every Ontario HCP profile shows where they practice now, their Medicare activity and their NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Ontario HCP directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory counts HCPs with an active individual NPI, a name and an Ontario practice address.
FAQ
Frequently asked questions about doctors and healthcare professionals in Ontario
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many doctors are in Ontario?
38 physicians (MDs and DOs) have an active NPI and an Ontario practice address, among 607 Ontario healthcare professionals.
Which medical groups have the most Ontario doctors?
Saint Alphonsus Medical Group (12 physicians), Physician's Primary Care Center (1 physicians) and Stark Medical Group (1 physicians). Counts are physicians with an Oregon address.
How many Ontario physicians finished medical school 30 or more years ago?
12 of the 25 with a graduation year on file, or 48%. 2 graduated in the last 10 years.
How can I contact healthcare professionals in Ontario?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for healthcare professionals in Ontario through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
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Find the right contacts among Ontario healthcare professionals
Search 607 Ontario HCPs by specialty, hospital, group and city, with validated work emails and mobile numbers.
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