James Mailhot, M.D.
Cardiovascular Disease Physician · San Francisco, CA
James Mailhot, M.D. is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1942392626, issued on Sep 29, 2006. Check the license (California G16365, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Mailhot
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G16365 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2340 Clay St, San Francisco, CA 94115
- Phone
- (415) 331-8390
- Enumerated
- Sep 29, 2006
- Record last updated
- Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 331-8380
- Medicare enrollment
- Enrolled (PECOS I20090701000645); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1964
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 2340 Clay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kaylee Anderson, NPFamily Nurse Practitioner1528870045
- Gary Arsham, M.D.Internal Medicine Physician1487646758
- Janet Bellingham, MDTransplant Surgery Physician1508062431
- Marissa Benge, FNPFamily Nurse Practitioner1225483860
Verify James Mailhot in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G16365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,238 Medicare Part D claims for 260 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Eliquis282 claims
- Metoprolol Succinate174 claims
- Atorvastatin Calcium124 claims
- Amlodipine Besylate120 claims
- Rosuvastatin Calcium85 claims
- Furosemide83 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Regents OF The University OF CaliforniaSan Francisco, CA
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Mailhot among 2,574 cardiovascular disease physician records in California
James Mailhot, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1964 · median 1999 among the 1,742 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in San Francisco → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Maria Ansari, MDSan Francisco, CA 941151700964319
- Bruce Brent, MDSan Francisco, CA 941151093726879
- Nitin Chitale, MDSan Francisco, CA 941151649243536
- Mark Dahlgren, MDSan Francisco, CA 941151760560353
- Peter Hui, MDSan Francisco, CA 941151619988375
- Lester Jacobson, M.D.San Francisco, CA 941151023192101
- Ivy Ku, M.D.San Francisco, CA 941151538175112
- Gordon Leung, MDSan Francisco, CA 941151245318872
Common questions
What is James Mailhot, M.D.'s NPI number?
James Mailhot, M.D.'s National Provider Identifier (NPI) is 1942392626, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Mailhot, M.D. located?
The NPPES record lists a practice address at 2340 Clay St, San Francisco, CA, 94115. Phone: (415) 331-8390. Providers update this record themselves, so call before visiting.
How can I verify James Mailhot, M.D.'s license?
NPPES lists California license number G16365, 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 James Mailhot, M.D. prescribe under Medicare Part D?
In 2024, James Mailhot, M.D. had 2,238 Medicare Part D claims for 260 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is James Mailhot, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.