Mariam S. Mostamandy, MD
Diagnostic Radiology Physician · Los Angeles, CA
Mariam S. Mostamandy, MD is a diagnostic radiology physician with a practice address in Los Angeles, California, and NPI 1225666209, issued on Mar 27, 2020. Check the license (California A188622, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mariam S. Mostamandy
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A188622 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4733 W Sunset Blvd FL 3, Los Angeles, CA 90027
- Phone
- (233) 872-3713
- Enumerated
- Mar 27, 2020
- Record last updated
- Sep 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20240408000956); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 4733 W Sunset Blvd FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew AbayanStudent in an Organized Health Care Education/Training Program1912589391
- Riad Abdulmoniem, MDStudent in an Organized Health Care Education/Training Program1215730841
- Dishan AbeydeeraStudent in an Organized Health Care Education/Training Program1265291413
- Alyssa AbramStudent in an Organized Health Care Education/Training Program1508626300
- Max Abramson, MDStudent in an Organized Health Care Education/Training Program1093579286
- Shalini Agrawal, DOStudent in an Organized Health Care Education/Training Program1316707888
Verify Mariam S. Mostamandy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Bay Imaging Consultants Medical Group IncSacramento, CA
- John Muir Magnetic Imaging CenterFolsom, CA
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariam S. Mostamandy among 4,500 diagnostic radiology physician records in California
Mariam S. Mostamandy, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2020 · median 2004 among the 3,130 with a school on file
- Record last updated2025 · 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 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Los Angeles → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- John Chen, M.D.Los Angeles, CA 900271174639942
- Melissa Debayle, M.D.Los Angeles, CA 900271679747232
- Paul Didomenico, M.D.Los Angeles, CA 900271679782387
- Caroline Fong, M.D.Los Angeles, CA 900271417175233
- Jennifer Hsu, MDLos Angeles, CA 900271700964392
- Patrick Inscore, M.D.Los Angeles, CA 900271720208234
- Harshawn Malhi, M.D.Los Angeles, CA 900271881675510
- Gregory Mitton, MDLos Angeles, CA 900271255302139
Common questions
What is Mariam S. Mostamandy, MD's NPI number?
Mariam S. Mostamandy, MD's National Provider Identifier (NPI) is 1225666209, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mariam S. Mostamandy, MD located?
The NPPES record lists a practice address at 4733 W Sunset Blvd FL 3, Los Angeles, CA, 90027. Phone: (233) 872-3713. Providers update this record themselves, so call before visiting.
How can I verify Mariam S. Mostamandy, MD's license?
NPPES lists California license number A188622, 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. 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.