Oscar Marin, D.D.S.
Dentist · West Covina, CA
Oscar Marin, D.D.S. is a dentist with a practice address in West Covina, California, and NPI 1174540637, issued on Jul 17, 2006. Check the license (California 50785, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oscar Marin
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 50785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3660 Nogales Street, West Covina, CA 91792
- Phone
- (626) 810-5000
- Enumerated
- Jul 17, 2006
- Record last updated
- Oct 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (626) 810-2224
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Oscar Marin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 50785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average dentist in 2024
109 Medicare Part D claims for 46 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin47 claims
- Ibuprofen36 claims
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.
Oscar Marin among 14,729 dentist records in California
Oscar Marin, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 dentist records list a practice address in West Covina
They are 66 of the 2,450 NPPES records with a practice address in West Covina, and 14,729 dentist records in California.
All 14,729 in California → Every provider in West Covina → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Sarah Dancel-Atendido, D.M.DWest Covina, CA 917921588849608
- Abanub FaragWest Covina, CA 917921124691936
- Ky Ha, D.D.SWest Covina, CA 917921154434843
- Steve Jun, D.D.S.West Covina, CA 917921942628094
- Jun Li, DDS FAGDWest Covina, CA 917921588830228
- Alejandro Martinez, DDSWest Covina, CA 917921649083015
- Marie NguyenWest Covina, CA 917921093192817
- Engracia Punzalan, D.D.S.West Covina, CA 917921366772477
Common questions
What is Oscar Marin, D.D.S.'s NPI number?
Oscar Marin, D.D.S.'s National Provider Identifier (NPI) is 1174540637, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Marin, D.D.S. located?
The NPPES record lists a practice address at 3660 Nogales Street, West Covina, CA, 91792. Phone: (626) 810-5000. Providers update this record themselves, so call before visiting.
How can I verify Oscar Marin, D.D.S.'s license?
NPPES lists California license number 50785, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Oscar Marin, D.D.S. prescribe under Medicare Part D?
In 2024, Oscar Marin, D.D.S. had 109 Medicare Part D claims for 46 beneficiaries; the average among dentist prescribers was 86. 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.