NPPES file of Aug 9, 2026

Margaret Marissa Appiah, MD

Student in an Organized Health Care Education/Training Program · San Diego, CA

Margaret Marissa Appiah, MD is a student in an organized health care education/training program with a practice address in San Diego, California, and NPI 1902593775, issued on Apr 20, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902593775
Name
Margaret Marissa Appiah
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
4077 Fifth Ave # Mer-35, San Diego, CA 92103
Phone
(619) 260-7220
Enumerated
Apr 20, 2023
Record last updated
Apr 20, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4077 Fifth Ave # Mer-35

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ibrahim Abukhieran, DPMStudent in an Organized Health Care Education/Training Program1811690720
  2. Sara Akhlaghi, MDStudent in an Organized Health Care Education/Training Program1811799422
  3. Emily Avery, MDStudent in an Organized Health Care Education/Training Program1609571447
  4. Amaan Azeemullah, MDStudent in an Organized Health Care Education/Training Program1225820095
  5. Harjit Badyal, DPMStudent in an Organized Health Care Education/Training Program1114867488
  6. Clare Bakker, MDStudent in an Organized Health Care Education/Training Program1659214211

Verify Margaret Marissa Appiah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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74% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

48 Medicare Part D claims for 15 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Margaret Appiah48
  2. Specialty average185

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.

2,098 student in an organized health care education/training program records list a practice address in San Diego

They are 2,098 of the 52,937 NPPES records with a practice address in San Diego, and 40,652 student in an organized health care education/training program records in California.

Other student in an organized health care education/training program records in California

  1. Sanad A'BasiFresno, CA1720915770
  2. Alexander Aabedi, MDSan Francisco, CA1245971480
  3. Andre AabediPomona, CA1891582102
  4. Natalie Aabodi, DMDPomona, CA1851085187
  5. Dalal Aago, MDEl Cajon, CA1639863103
  6. Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
  7. Manas AavulaPomona, CA1972496644
  8. Joann AbadTulare, CA1639745433
  9. Gioux Ian Abad Mangulabnan, THERAPISTBerkeley, CA1710442702
  10. Sharon AbadaSan Francisco, CA1003492844

Common questions

What is Margaret Marissa Appiah, MD's NPI number?

Margaret Marissa Appiah, MD's National Provider Identifier (NPI) is 1902593775, issued on Apr 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Marissa Appiah, MD located?

The NPPES record lists a practice address at 4077 Fifth Ave # Mer-35, San Diego, CA, 92103. Phone: (619) 260-7220. Providers update this record themselves, so call before visiting.

How can I verify Margaret Marissa Appiah, MD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Marissa Appiah, MD prescribe under Medicare Part D?

In 2024, Margaret Marissa Appiah, MD had 48 Medicare Part D claims for 15 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.