NPPES file of Aug 9, 2026

Megan Elizabeth Foy, MD

Emergency Medicine Physician · San Francisco, CA

Megan Elizabeth Foy, MD is an emergency medicine physician with a practice address in San Francisco, California, and NPI 1922758721, issued on Mar 24, 2022. Check the license (California A202133, as entered in NPPES) on the Medical Board of California; 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
1922758721
Name
Megan Elizabeth Foy
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A202133 CA
Self-reported in NPPES; status is on the state search
Practice location
1001 Potrero Ave, San Francisco, CA 94110
Phone
(628) 206-8000
Enumerated
Mar 24, 2022
Record last updated
Oct 6, 2025
Medicare enrollment
Enrolled (PECOS I20250723004040); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Aurora, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1001 Potrero Ave

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

  1. Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
  2. Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
  3. Mary Ann AbilleRegistered Nurse1699155804
  4. Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
  5. Elizabeth AdvientoRegistered Nurse1124968987
  6. Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995

Verify Megan Elizabeth Foy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A202133
    Check 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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% fewer Medicare Part D claims than the average emergency medicine physician in 2024

56 Medicare Part D claims for 34 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Megan Foy56
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. University OF California Sfgh Medical GroupSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Megan Elizabeth Foy among 7,751 emergency medicine physician records in California

Megan Elizabeth Foy, MD is one of 7,751 emergency 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 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2011 among the 4,560 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. John Brown, MDSan Francisco, CA 941101053355941
  2. Ritik Chandra, MDSan Francisco, CA 941101700838737
  3. Rachel Chin, MDSan Francisco, CA 941101477597375
  4. Christopher Colwell, MDSan Francisco, CA 941101629092788
  5. Alan Gelb, MDSan Francisco, CA 941101497796213
  6. Eric Isaacs, MDSan Francisco, CA 941101356385231
  7. Todd Kessinger, MDSan Francisco, CA 941101255374732
  8. Judith Klein, MDSan Francisco, CA 941101235171638

Common questions

What is Megan Elizabeth Foy, MD's NPI number?

Megan Elizabeth Foy, MD's National Provider Identifier (NPI) is 1922758721, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Megan Elizabeth Foy, MD located?

The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (628) 206-8000. Providers update this record themselves, so call before visiting.

How can I verify Megan Elizabeth Foy, MD's license?

NPPES lists California license number A202133, 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 Megan Elizabeth Foy, MD prescribe under Medicare Part D?

In 2024, Megan Elizabeth Foy, MD had 56 Medicare Part D claims for 34 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.