Dr. Stephen Chang-Oh Yang, MD, DDS
- Industry payments
- $938
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 4150 Clement St, San Francisco, CA 94121
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Francisco VA Medical Center
San Francisco, California
Find Dr. Yang'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. Stephen Chang-Oh Yang is a general surgeon in San Francisco, California
Dr. Yang practices at San Francisco VA Medical Center in San Francisco, California.
Dr. Yang's NPI, 1225775299, was assigned on May 19, 2022. Dr. Yang holds California license PTL15503.
- NPI
- 1225775299NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860964913
- NPI enumeration date
- May 19, 2022
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Stephen Chang-Oh Yang practices at San Francisco VA Medical Center in San Francisco, California
Dr. Yang's primary practice is San Francisco VA Medical Center, at 4150 Clement St, San Francisco, CA 94121 in San Francisco County. The practice phone is (702) 341-3020.
- San Francisco VA Medical Center4150 Clement St, San Francisco, CA 94121 · San Francisco CountyPhone(702) 341-3020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Chang-Oh Yang is affiliated with 1 site of care and 1 medical group
Dr. Yang's primary practice is San Francisco VA Medical Center in San Francisco, California. The medical group on file is UAB Medicine.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen Chang-Oh Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Chang-Oh Yang is one of 2,926 general surgeons in California
Surgery is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Yang is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Yang
Counts of general surgeons 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. Stephen Chang-Oh Yang received $938 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Yang from 4 drug and device companies from 2024 to 2025. Grants make up the largest share, 60% of the total. Medical Device Business Services, Inc. paid the most, $565.
General payments to Dr. Yang by program year, 2024 to 2025
General payments to Dr. Yang by kind, 2024 to 2025
- Grants$56560%
- Food and beverage$27830%
- Gifts$9510%
Companies that paid Dr. Yang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen Chang-Oh Yang'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 Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Stephen Chang-Oh Yang
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. Stephen Chang-Oh Yang's NPI number?
Dr. Stephen Chang-Oh Yang's NPI number is 1225775299. It was assigned on May 19, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Chang-Oh Yang?
Dr. Stephen Chang-Oh Yang is a general surgeon in San Francisco, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Stephen Chang-Oh Yang practice?
Dr. Yang practices at 4150 Clement St, San Francisco, CA 94121. Dr. Yang's primary practice is San Francisco VA Medical Center in San Francisco, California.
What is Dr. Stephen Chang-Oh Yang's office phone number?
The practice phone on file for Dr. Yang is (702) 341-3020.
What is Dr. Stephen Chang-Oh Yang's medical license number?
Dr. Yang holds California license PTL15503.
What medical group is Dr. Stephen Chang-Oh Yang part of?
Dr. Yang is linked to UAB Medicine.
Has Dr. Stephen Chang-Oh Yang received payments from drug or device companies?
CMS Open Payments shows $938 in general payments to Dr. Yang from 4 companies from 2024 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Stephen Chang-Oh Yang been practicing?
Dr. Yang's NPI was assigned in 2022.
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