Michelle Allen, M.D.
Internal Medicine Physician · San Francisco, CA
Michelle Allen, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1679515688, issued on Jun 12, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michelle Allen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 220434 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2238 Geary Blvd, San Francisco, CA 94115
- Phone
- (415) 833-2200
- Enumerated
- Jun 12, 2006
- Entity
- Type 1 · individual
Also registered at 2238 Geary Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yahya Abdolcader, FNPFamily Nurse Practitioner1215566914
- Thomas Addison, MDPulmonary Disease Physician1154494599
- Judith Adler, NPWomen's Health Nurse Practitioner1366511586
- Paul Adler, M.D.Internal Medicine Physician1568889772
- Asim Alam, MD/PHDInternal Medicine Physician1467955286
- Jill Baker, MSN, FNPFamily Nurse Practitioner1477628881
Verify Michelle Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
8% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,566 Medicare Part D claims for 369 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 75 claims were for opioids.
Most prescribed
- Atorvastatin Calcium321 claims
- Losartan Potassium110 claims
- Amlodipine Besylate101 claims
- Lisinopril94 claims
- Levothyroxine Sodium80 claims
- Alendronate Sodium74 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.
One hospital or facility affiliation
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,593 internal medicine physician records list a San Francisco practice address
They are 1,593 of the 38,143 NPPES records with a San Francisco practice address, and 20,403 internal medicine physician records in California.
All 1,593 in San Francisco → All 20,403 in California → Every provider in San Francisco →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
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- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Michelle Allen, M.D.'s NPI number?
Michelle Allen, M.D.'s National Provider Identifier (NPI) is 1679515688, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Allen, M.D. located?
The NPPES record lists a practice address at 2238 Geary Blvd, San Francisco, CA, 94115. Phone: (415) 833-2200. Providers update this record themselves, so call before visiting.
How can I verify Michelle Allen, M.D.'s license?
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 Michelle Allen, M.D. prescribe under Medicare Part D?
In 2024, Michelle Allen, M.D. had 2,566 Medicare Part D claims for 369 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.