NPPES file of Aug 9, 2026

H. Jakob Michenfelder, M.D.

Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA

H. Jakob Michenfelder, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1710076534, issued on Oct 12, 2006. Check the license (California C42589, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1710076534
Name
H. Jakob Michenfelder
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
C42589 CA
Self-reported in NPPES; status is on the state search
Practice location
2250 Hayes St, San Francisco, CA 94117
Phone
(415) 668-6767
Enumerated
Oct 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 668-8248
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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8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →

Also registered at 2250 Hayes St

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

  1. Pedro Aceves-Casillas, M.D.Internal Medicine Physician1144252396
  2. William Breall, M.D.Cardiovascular Disease Physician1124042635
  3. Kwok Chan, M.D.Internal Medicine Physician1063413714
  4. James Chun, M.D.Cardiovascular Disease Physician1134143506
  5. Joel Clark, DPMPodiatrist1093773681
  6. Peter Curran, MDCardiovascular Disease Physician1366422347

Verify H. Jakob Michenfelder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C42589    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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H. Jakob Michenfelder among 1,131 endocrinology, diabetes & metabolism physician records in California

H. Jakob Michenfelder, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileNo · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,131 in California → Every provider in San Francisco → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Nathan Becker, M.D.San Francisco, CA 941171972696250
  2. Eric Buxton, M.D.San Francisco, CA 941171134210362
  3. Paul Fitzgerald, M.D.San Francisco, CA 941171326356460
  4. E. Myers, M.D.San Francisco, CA 941171992894711
  5. Yi Brenda Shue, M.D.San Francisco, CA 941171396792610
  6. Susan Tibuni-Sanders, MDSan Franscico, CA 941171124219316
  7. Philip Frost, M.DSan Francisco, CA 941181912905928
  8. Steven Harris, M.D.San Francisco, CA 941151104847532

Common questions

What is H. Jakob Michenfelder, M.D.'s NPI number?

H. Jakob Michenfelder, M.D.'s National Provider Identifier (NPI) is 1710076534, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is H. Jakob Michenfelder, M.D. located?

The NPPES record lists a practice address at 2250 Hayes St, San Francisco, CA, 94117. Phone: (415) 668-6767. Providers update this record themselves, so call before visiting.

How can I verify H. Jakob Michenfelder, M.D.'s license?

NPPES lists California license number C42589, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.