Hamilton J. Sah, M.D.
Family Medicine Physician · El Monte, CA
Hamilton J. Sah, M.D. is a family medicine physician with a practice address in El Monte, California, and NPI 1447451141, issued on May 30, 2007. Check the license (California G13951, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hamilton J. Sah
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G13951 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11635 Valley Blvd Ste G2, El Monte, CA 91732
- Phone
- (626) 448-7575
- Enumerated
- May 30, 2007
- Record last updated
- Sep 18, 2023
- Fax
- (626) 448-8831
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Hamilton J. Sah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G13951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
234 Medicare Part D claims for 55 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin27 claims
- Terazosin Hcl17 claims
- Naproxen13 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.
Hamilton J. Sah among 17,133 family medicine physician records in California
Hamilton J. Sah, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family medicine physician records list a practice address in El Monte
They are 32 of the 1,528 NPPES records with a practice address in El Monte, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in El Monte → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lin Hu, MDEl Monte, CA 917321114193000
- Michael Muljana, M.D.El Monte, CA 917321831380807
- Genoveva Aguilar, M.D.El Monte, CA 917331134568439
- Tam Au, MDEl Monte, CA 917311033850482
- Ishak Bishara, M.D.,South El Monte, CA 917331467536987
- Sreedhar Chava, MDEl Monte, CA 917311255515383
- Josephine Devaraj, D.O.El Monte, CA 917331285867820
- Christine Do, DOEl Monte, CA 917311669166831
Common questions
What is Hamilton J. Sah, M.D.'s NPI number?
Hamilton J. Sah, M.D.'s National Provider Identifier (NPI) is 1447451141, issued on May 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hamilton J. Sah, M.D. located?
The NPPES record lists a practice address at 11635 Valley Blvd Ste G2, El Monte, CA, 91732. Phone: (626) 448-7575. Providers update this record themselves, so call before visiting.
How can I verify Hamilton J. Sah, M.D.'s license?
NPPES lists California license number G13951, 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 Hamilton J. Sah, M.D. prescribe under Medicare Part D?
In 2024, Hamilton J. Sah, M.D. had 234 Medicare Part D claims for 55 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.