Henry L. Masters, MD
Internal Medicine Physician · Whittier, CA
Henry L. Masters, MD is an internal medicine physician with a practice address in Whittier, California, and NPI 1336599711, issued on Jun 16, 2016. Check the license (California G51206, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Henry L. Masters
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G51206 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9200 Colima RD, Whittier, CA 90605
- Phone
- (562) 693-1595
- Enumerated
- Jun 16, 2016
- Record last updated
- Jun 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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Verify Henry L. Masters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Henry L. Masters among 17,696 internal medicine physician records in California
Henry L. Masters, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 internal medicine physician records list a practice address in Whittier
They are 49 of the 2,836 NPPES records with a practice address in Whittier, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Whittier → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alija Ali, D.O.Whittier, CA 906051295955938
- Patrick Deligero, M.D.Whittier, CA 906051427412451
- Samia Faiz, M.D.Whittier, CA 906051508961491
- Shahram Ghanem, M.D.Whittier, CA 906051083746069
- Marian Jalil, M DWhittier, CA 906051801897103
- Walter LeWhittier, CA 906051174943013
- Kesheng Wu, MDWhittier, CA 906051932119385
- Mina Jamalleh Abu Gosh, M.D.Whittier, CA 906061265883334
Common questions
What is Henry L. Masters, MD's NPI number?
Henry L. Masters, MD's National Provider Identifier (NPI) is 1336599711, issued on Jun 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Henry L. Masters, MD located?
The NPPES record lists a practice address at 9200 Colima RD, Whittier, CA, 90605. Phone: (562) 693-1595. Providers update this record themselves, so call before visiting.
How can I verify Henry L. Masters, MD's license?
NPPES lists California license number G51206, 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.