NPPES file of Aug 9, 2026

Michael McNamara, M.D.

Internal Medicine Physician · Daly City, CA

Michael McNamara, M.D. is an internal medicine physician with a practice address in Daly City, California, and NPI 1235220658, issued on Sep 28, 2006. Check the license (California G605740, 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
1235220658
Name
Michael McNamara
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G605740 CA
Self-reported in NPPES; status is on the state search
Practice location
901 Campus Dr, Daly City, CA 94015
Phone
(650) 652-8500
Enumerated
Sep 28, 2006
Record last updated
Jun 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090909000441); accepts Medicare assignment
Medical or professional school
Wake Forest University School Of Medicine, 1985
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 901 Campus Dr

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

  1. Devi Ananda, M.D.Pediatrics Physician1427146356
  2. Emanuel Berston, MDPediatrics Physician1649346636
  3. Thomas Bowstead, M.D.Pulmonary Disease Physician1801828181
  4. Alice Breder, MDPediatrics Physician1215053897
  5. Mary Brzostowicz, M.D.Specialist1487683819
  6. Violeta CarneroPediatrics Physician1609928399

Verify Michael McNamara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G605740    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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30% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,218 Medicare Part D claims for 205 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Michael McNamara2,218
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium215 claims
  2. Losartan Potassium147 claims
  3. Amlodipine Besylate93 claims
  4. Levothyroxine Sodium89 claims
  5. Metformin Hcl75 claims
  6. Metoprolol Succinate66 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.

Industry payments in 2024: $183.47

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael McNamara$183.47
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationDaly City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael McNamara among 17,696 internal medicine physician records in California

Michael McNamara, M.D. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1985 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 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).

56 internal medicine physician records list a practice address in Daly City

They are 56 of the 1,606 NPPES records with a practice address in Daly City, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Daly City → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kenneth Chuang, M.D.Daly City, CA 940151568492445
  2. Jesus Roland Gatpolintan, M.D.Daly City, CA 940151720064488
  3. Daniel Hwang, M.D.Daly City, CA 940151871683532
  4. John Lai, M.D.Daly City, CA 940151457398406
  5. Damon Lee, MDDaly City, CA 940151922095256
  6. Shu May Lee, M.D.Daly City, CA 940151689614992
  7. Karl Lee, M.D.Daly City, CA 940151093746703
  8. Richard Moskowitz, MDDaly City, CA 940151124102868

Common questions

What is Michael McNamara, M.D.'s NPI number?

Michael McNamara, M.D.'s National Provider Identifier (NPI) is 1235220658, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael McNamara, M.D. located?

The NPPES record lists a practice address at 901 Campus Dr, Daly City, CA, 94015. Phone: (650) 652-8500. Providers update this record themselves, so call before visiting.

How can I verify Michael McNamara, M.D.'s license?

NPPES lists California license number G605740, 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 McNamara, M.D. prescribe under Medicare Part D?

In 2024, Michael McNamara, M.D. had 2,218 Medicare Part D claims for 205 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.

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.