Michael Saeyoung Oh, MD
Hematology & Oncology Physician · Santa Monica, CA
Michael Saeyoung Oh, MD is a hematology & oncology physician with a practice address in Santa Monica, California, and NPI 1285088187, issued on Apr 17, 2016. Check the license (California A168522, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Saeyoung Oh
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A168522 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Santa Monica Blvd Ste 600, Santa Monica, CA 90404
- Phone
- (310) 829-5471
- Enumerated
- Apr 17, 2016
- Record last updated
- Jul 1, 2025
- Fax
- (310) 829-6192
- Medicare enrollment
- Enrolled (PECOS I20250613001073); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2016
- 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 2020 Santa Monica Blvd Ste 600
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Adelman, PA-SPhysician Assistant1477344315
- Maria Francesca Anselmo, NPAcute Care Nurse Practitioner1992464572
- Sophie Carlson, MDHematology & Oncology Physician1578040804
- Caroline ChenHematology & Oncology Physician1184087504
- Megan Ennis, NPHematology & Oncology Physician1316608029
- Josephine Evangelista, ARNPAdult Health Nurse Practitioner1275704587
Verify Michael Saeyoung Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
30 Medicare Part D claims for 13 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $514.12
7 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Saeyoung Oh among 1,583 hematology & oncology physician records in California
Michael Saeyoung Oh, MD 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 2016, is newer than 87% of them.
- NPI issued2016 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · median 2003 among the 1,124 with a school on file
- Record last updated2025 · 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 Santa Monica → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Thompson Adams, MDSanta Monica, CA 904041407880891
- Aditya Bardia, MDSanta Monica, CA 904041639210107
- Peter Boasberg, MDSanta Monica, CA 904041417982331
- Richard Finn, MDSanta Monica, CA 904041811912074
- Sean Fischer, M.D.Santa Monica, CA 904041801842943
- Omid Hamid, M.D.Santa Monica, CA 904041215966775
- Kathryn Henick, M.D.Santa Monica, CA 904041912972779
- Silvana Martino, D.O.Santa Monica, CA 904041073626362
Common questions
What is Michael Saeyoung Oh, MD's NPI number?
Michael Saeyoung Oh, MD's National Provider Identifier (NPI) is 1285088187, issued on Apr 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Saeyoung Oh, MD located?
The NPPES record lists a practice address at 2020 Santa Monica Blvd Ste 600, Santa Monica, CA, 90404. Phone: (310) 829-5471. Providers update this record themselves, so call before visiting.
How can I verify Michael Saeyoung Oh, MD's license?
NPPES lists California license number A168522, 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.
How much does Michael Saeyoung Oh, MD prescribe under Medicare Part D?
In 2024, Michael Saeyoung Oh, MD had 30 Medicare Part D claims for 13 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.