Frank D. Dumont, MD
Internal Medicine Physician · San Francisco, CA
Frank D. Dumont, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1629063136, issued on Sep 12, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frank D. Dumont
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 38348 CO
Self-reported in NPPES; status is on the state search - Practice location
- 655 Montgomery St Ste 810, San Francisco, CA 94111
- Phone
- (844) 847-8216
- Enumerated
- Sep 12, 2005
- Record last updated
- Dec 19, 2023
- Fax
- (415) 520-9150
- Medicaid ID
- 77420055 CO
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 655 Montgomery St Ste 810
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frank D. Dumont 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
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
25 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of 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.
Frank D. Dumont among 17,696 internal medicine physician records in California
Frank D. Dumont, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leena Badhwar, M.D.San Francisco, CA 941111265466874
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- Wayne Chung, MDSan Francisco, CA 941111669404653
- Andrew Diamond, MD, PHDSan Francisco, CA 941111154347235
- Mark Marin, MDSan Francisco, CA 941111144375668
- Susan Mayo, M.D.San Francisco, CA 941111386696185
- Neetu Nebhwani, MDSan Francisco, CA 941111942457908
- Andres Nieto, M.D.San Francisco, CA 941111740342492
Common questions
What is Frank D. Dumont, MD's NPI number?
Frank D. Dumont, MD's National Provider Identifier (NPI) is 1629063136, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Frank D. Dumont, MD located?
The NPPES record lists a practice address at 655 Montgomery St Ste 810, San Francisco, CA, 94111. Phone: (844) 847-8216. Providers update this record themselves, so call before visiting.
How can I verify Frank D. Dumont, MD'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 Frank D. Dumont, MD prescribe under Medicare Part D?
In 2024, Frank D. Dumont, MD had 25 Medicare Part D claims for 11 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.