Coyin Oh
Medical Oncology Physician · Los Angeles, CA
Coyin Oh is a medical oncology physician with a practice address in Los Angeles, California, and NPI 1225666464, issued on Apr 1, 2020. Check the license (California A208067, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Coyin Oh
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A208067 CA
Self-reported in NPPES; status is on the state search - Practice location
- 127 S San Vicente Blvd FL 7, Los Angeles, CA 90048
- Phone
- (310) 423-8030
- Enumerated
- Apr 1, 2020
- Record last updated
- Jul 30, 2026
- Fax
- (310) 967-8486
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 127 S San Vicente Blvd FL 7
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc AttiyehSurgical Oncology Physician1225471006
- Jin Sun Bitar, M.D.Medical Oncology Physician1477940161
- Karissa Britten, MDHematology & Oncology Physician1518461862
- Victoria Cerda, MD, MPHObstetrics & Gynecology Physician1265929715
- Jason Chan, M.D. PH.D.Hematology & Oncology Physician1154735660
- Fahima Dossa, MDSurgical Oncology Physician1427832617
Verify Coyin Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A208067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Coyin Oh among 447 medical oncology physician records in California
Coyin Oh is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 1% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 447 in California → Every provider in Los Angeles → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Reva Basho, M.D.West Hollywood, CA 900481508146721
- Jin Sun Bitar, M.D.Los Angeles, CA 900481477940161
- James Hu, M.D.Los Angeles, CA 900481467424929
- Lawrence Liu, MDLos Angeles, CA 900481255890380
- Ronald Natale, M.D.West Hollywood, CA 900481285734350
- Arsen Osipov, M.D.West Hollywood, CA 900481598108482
- Kamya SankarLos Angeles, CA 900481346602836
- Barliz Waissengrin, MDLos Angeles, CA 900481578407904
Common questions
What is Coyin Oh's NPI number?
Coyin Oh's National Provider Identifier (NPI) is 1225666464, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Coyin Oh located?
The NPPES record lists a practice address at 127 S San Vicente Blvd FL 7, Los Angeles, CA, 90048. Phone: (310) 423-8030. Providers update this record themselves, so call before visiting.
How can I verify Coyin Oh's license?
NPPES lists California license number A208067, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.