Dr. Ian Gordon Stefanuk, MD
- Hospital affiliations
- 1
- Industry payments
- $477
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 450 Stanyan St, San Francisco, CA 94117
- Practice phone
- Call (415) 353-4739
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSF St Mary's Hospital
San Francisco, California
Find Dr. Stefanuk's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ian Gordon Stefanuk is a psychiatrist in San Francisco, California
Dr. Stefanuk practices at UCSF St Mary's Hospital in San Francisco, California.
Dr. Stefanuk's NPI, 1275358012, was assigned on November 18, 2024. Dr. Stefanuk holds California license A199973.
- NPI
- 1275358012NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375071848
- NPI enumeration date
- November 18, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ian Gordon Stefanuk practices at UCSF St Mary's Hospital in San Francisco, California
Dr. Stefanuk's primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.
- UCSF St Mary's Hospital450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ian Gordon Stefanuk is affiliated with 2 sites of care and 1 medical group
Dr. Stefanuk's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dr. Stefanuk is also affiliated with UCSF Health Hyde Hospital. The medical group on file is CEP America.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ian Gordon Stefanuk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stefanuk practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF St Mary's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ian Gordon Stefanuk is one of 6,803 psychiatrists in California
Psychiatry is Dr. Stefanuk's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Stefanuk is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Stefanuk is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Stefanuk
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ian Gordon Stefanuk's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Stefanuk's median patient age at 49, with 36% women.
Dr. Stefanuk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
How Dr. Ian Gordon Stefanuk takes part in Medicare
Dr. Stefanuk accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Ian Gordon Stefanuk received $477 in industry payments in 2025
CMS Open Payments shows 15 general payments to Dr. Stefanuk from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $140.
Companies that paid Dr. Stefanuk the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ian Gordon Stefanuk is board certified in psychiatry
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Ian Gordon Stefanuk's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ian Gordon Stefanuk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ian Gordon Stefanuk's NPI number?
Dr. Ian Gordon Stefanuk's NPI number is 1275358012. It was assigned on November 18, 2024, and it is active in the NPI Registry.
What kind of doctor is Dr. Ian Gordon Stefanuk?
Dr. Ian Gordon Stefanuk is a psychiatrist in San Francisco, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ian Gordon Stefanuk practice?
Dr. Stefanuk practices at 450 Stanyan St, San Francisco, CA 94117. Dr. Stefanuk's primary practice is UCSF St Mary's Hospital in San Francisco, California.
What is Dr. Ian Gordon Stefanuk's office phone number?
The practice phone on file for Dr. Stefanuk is (415) 353-4739.
What is Dr. Ian Gordon Stefanuk's medical license number?
Dr. Stefanuk holds California license A199973.
Which hospitals is Dr. Ian Gordon Stefanuk affiliated with?
Dr. Stefanuk is affiliated with UCSF Health Hyde Hospital.
What medical group is Dr. Ian Gordon Stefanuk part of?
Dr. Stefanuk is linked to CEP America.
Does Dr. Ian Gordon Stefanuk accept Medicare?
Yes. CMS lists Dr. Stefanuk as accepting Medicare assignment.
Is Dr. Ian Gordon Stefanuk board certified?
Yes. Dr. Stefanuk is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Has Dr. Ian Gordon Stefanuk received payments from drug or device companies?
CMS Open Payments shows $477 in general payments to Dr. Stefanuk from 7 companies from 2025 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Ian Gordon Stefanuk been practicing?
Dr. Stefanuk graduated from medical school in 2018, 8 years ago.
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