Massoud S. Amini, M.D.
General Practice Physician · Winnetka, CA
Massoud S. Amini, M.D. is a general practice physician with a practice address in Winnetka, California, and NPI 1457415739, issued on Dec 20, 2006. Check the license (California A53396, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Massoud S. Amini
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A53396 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19923 Hemmingway St, Winnetka, CA 91306
- Phone
- (310) 498-1590
- Enumerated
- Dec 20, 2006
- Record last updated
- Feb 22, 2022
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Verify Massoud S. Amini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A53396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average general practice physician in 2024
48 Medicare Part D claims for 19 beneficiaries, against an average of 3,030 among the 8,395 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.
The MIPS final score for 2023 (Medicare payment program): 7.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Massoud S. Amini among 1,956 general practice physician records in California
Massoud S. Amini, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 general practice physician records list a practice address in Winnetka
They are 3 of the 195 NPPES records with a practice address in Winnetka, and 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Winnetka → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Daniel Bravo, FNPWinnetka, CA 913061871396895
- Robert Rigg, M.D.Canoga Park, CA 913061497783187
- Elenita Wheeler, M.D.Winnetka, CA 913061104100197
- Glen Farkas, M.D.West Hills, CA 913071861573149
- Lynn Goodloe, MDWest Hills, CA 913071881742674
- Ojen Masrour, M.D.West Hills, CA 913071740249762
- John McConnellogue, MDWest Hills, CA 913071487612073
- Teresita Yu, M.D., L.AC.West Hills, CA 913071518059567
Common questions
What is Massoud S. Amini, M.D.'s NPI number?
Massoud S. Amini, M.D.'s National Provider Identifier (NPI) is 1457415739, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Massoud S. Amini, M.D. located?
The NPPES record lists a practice address at 19923 Hemmingway St, Winnetka, CA, 91306. Phone: (310) 498-1590. Providers update this record themselves, so call before visiting.
How can I verify Massoud S. Amini, M.D.'s license?
NPPES lists California license number A53396, 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 Massoud S. Amini, M.D. prescribe under Medicare Part D?
In 2024, Massoud S. Amini, M.D. had 48 Medicare Part D claims for 19 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Massoud S. Amini, M.D.'s MIPS final score?
The 2023 MIPS final score is 7.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.