David Yoonsuk Oh
Hematology & Oncology Physician · San Francisco, CA
David Yoonsuk Oh is a hematology & oncology physician with a practice address in San Francisco, California, and NPI 1891084349, issued on Apr 6, 2011. Check the license (California A123255, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Yoonsuk Oh
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A123255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Parnassus Ave FL 4, San Francisco, CA 94143
- Phone
- (415) 353-2421
- Enumerated
- Apr 6, 2011
- Record last updated
- Nov 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170720003087); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 400 Parnassus Ave FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shagun Arora, MDHematology & Oncology Physician1316198112
- Margaret Balma, NPGerontology Nurse Practitioner1265311989
- David Besio, MS, RDRegistered Dietitian1376574657
- Alfred ChungHematology (Internal Medicine) Physician1417375627
- Debajyoti Datta, M.D.Hematology (Internal Medicine) Physician1093073090
- Savana Dobyns, NPGerontology Nurse Practitioner1194552869
Verify David Yoonsuk Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Yoonsuk Oh among 1,583 hematology & oncology physician records in California
David Yoonsuk Oh is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2011 · median 2003 among the 1,124 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in San Francisco → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Alain Algazi, M.D.San Francisco, CA 941431821289794
- Shagun Arora, MDSan Francisco, CA 941431316198112
- Collin Blakely, MDSan Francisco, CA 941431528287174
- Terence Friedlander, MSSan Francisco, CA 941431215134267
- Andrea Harzstark, MDSan Francisco, CA 941431871766576
- Wesley Kidder, MDSan Francisco, CA 941431669761151
- James Lee, M.D.San Francisco, CA 941431346482007
- Inga Lennes, M.D.San Francisco, CA 941431427134568
Common questions
What is David Yoonsuk Oh's NPI number?
David Yoonsuk Oh's National Provider Identifier (NPI) is 1891084349, issued on Apr 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David Yoonsuk Oh located?
The NPPES record lists a practice address at 400 Parnassus Ave FL 4, San Francisco, CA, 94143. Phone: (415) 353-2421. Providers update this record themselves, so call before visiting.
How can I verify David Yoonsuk Oh's license?
NPPES lists California license number A123255, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is David Yoonsuk Oh's MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.