NPPES file of Aug 9, 2026

Michael James Henehan, DO

Family Medicine Physician · San Jose, CA

Michael James Henehan, DO is a family medicine physician with a practice address in San Jose, California, and NPI 1053497685, issued on Oct 27, 2006. Check the license (California 20A4724, 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
1053497685
Name
Michael James Henehan
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A4724 CA
Self-reported in NPPES; status is on the state search
Practice location
455 Oconnor Dr, San Jose, CA 95128
Phone
(408) 995-5453
Enumerated
Oct 27, 2006
Record last updated
Apr 26, 2024
Fax
(408) 275-9442
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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Also registered at 455 Oconnor Dr

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

  1. Maricela Aguaristi, PHYSICIAN ASSISTANTPhysician Assistant1609059062
  2. Katharine Aldrich, CNMAdvanced Practice Midwife1790806388
  3. Annie Chern, M.D.Family Medicine Physician1104051507
  4. Alexandra Duisberg, MDStudent in an Organized Health Care Education/Training Program1255820635
  5. Robert Hsu, MPAS, PA-CPhysician Assistant1821168832
  6. Bruce Huffer, MDOrthopaedic Surgery Physician1376581934

Verify Michael James Henehan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A4724
    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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85% fewer Medicare Part D claims than the average family medicine physician in 2024

519 Medicare Part D claims for 100 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Michael Henehan519
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium84 claims
  2. Hydrochlorothiazide38 claims
  3. Lisinopril34 claims
  4. Amlodipine Besylate31 claims
  5. Levothyroxine Sodium27 claims
  6. Metformin Hcl22 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.

Michael James Henehan among 17,133 family medicine physician records in California

Michael James Henehan, DO is one of 17,133 family 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

265 family medicine physician records list a practice address in San Jose

They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Madhavi Chenumalla, MDSan Jose, CA 951281225122849
  2. Suneetha Devi Jagarlamudi, M.D.San Jose, CA 951281205862588
  3. Dhanu Kapoor, M.DSan Jose, CA 951281942212758
  4. George Kent, MDSan Jose, CA 951281861456246
  5. Heideh Khalilnejadi, MDSan Jose, CA 951281528022852
  6. Arnold Leff, MDSan Jose, CA 951281326004730
  7. Surekha Manohar, MDSan Jose, CA 951281235195900
  8. Robert Norman, M.D.San Jose, CA 951281184700890

Common questions

What is Michael James Henehan, DO's NPI number?

Michael James Henehan, DO's National Provider Identifier (NPI) is 1053497685, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael James Henehan, DO located?

The NPPES record lists a practice address at 455 Oconnor Dr, San Jose, CA, 95128. Phone: (408) 995-5453. Providers update this record themselves, so call before visiting.

How can I verify Michael James Henehan, DO's license?

NPPES lists California license number 20A4724, 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 Michael James Henehan, DO prescribe under Medicare Part D?

In 2024, Michael James Henehan, DO had 519 Medicare Part D claims for 100 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.