Psychiatrists in Ontario, CA

19 psychiatric prescribers list a practice address in Ontario: 5 with an MD, 4 with a DO and 10 psychiatric nurse practitioners. Because psychiatry is delivered by video, anyone licensed in California can treat you wherever you are in the state — this page is about where clinicians are based, not where they can practise.

5MD psychiatrists
4DO psychiatrists
10psychiatric NPs
0child & adolescent

Subspecialties in Ontario

SubspecialtyCliniciansShare
Psychiatric/Mental Health Nurse Practitioner 1052.6%
Psychiatry Physician 947.4%

New psychiatric prescribers in Ontario, year by year

New registrations in Ontario by credential
0 1 1 2 2 2021 · MD: 0 2021 · DO: 2 2021 · NP: 0 2022 · MD: 1 2022 · DO: 0 2022 · NP: 2 2023 · MD: 0 2023 · DO: 0 2023 · NP: 2 2024 · MD: 0 2024 · DO: 0 2024 · NP: 0 2025 · MD: 0 2025 · DO: 0 2025 · NP: 1 2026 · MD: 0 2026 · DO: 0 2026 · NP: 2202120222023202420252026
MDDONP

Counted from the date each clinician joined the federal registry. The registry records no departures, so this shows arrivals only.

Largest practices in Ontario

Clinicians grouped by shared practice address. Names come from an organisation registered at the same address, which is an inference rather than a stated fact.

PracticeClinicians
Karamat Malik M.D., Inc. · 3200 E Guasti Rd5
County Of San Bernardino · 2940 Inland Empire Blvd5

5 matching clinicians.

Other cities in California

Source: CMS National Plan and Provider Enumeration System, refreshed weekly. Listings without a published rate are unclaimed registry records and are not verified by us.