NPPES file of Aug 9, 2026

Michael Gonzaga, M.D.

Family Medicine Physician · Vacaville, CA

Michael Gonzaga, M.D. is a family medicine physician with a practice address in Vacaville, California, and NPI 1972953297, issued on Jun 17, 2016. Check the license (California A155527, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972953297
Name
Michael Gonzaga
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A155527 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Quality Dr, Vacaville, CA 95688
Phone
(707) 624-4000
Enumerated
Jun 17, 2016
Record last updated
Aug 3, 2022
Medicare enrollment
Enrolled (PECOS I20221114001035); accepts Medicare assignment
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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Also registered at 1 Quality Dr

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

  1. Hydee Abaya Ghazaleh, M.D.Internal Medicine Physician1922688464
  2. Jonathan Abaya Ghazaleh, MDInternal Medicine Physician1093395535
  3. Huma Ahmad, D.O.Hospitalist Physician1154587616
  4. Azim Ahmady, MDFamily Medicine Physician1417035916
  5. Lamia Alazzawi, PHARM.D.Pharmacist1407380645
  6. Delaine Alejandro, DOFamily Medicine Physician1487816294

Verify Michael Gonzaga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A155527
    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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Bills Medicare through one group practice

  1. Permanente Medical Group IncVacaville, CA

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

Michael Gonzaga among 17,133 family medicine physician records in California

Michael Gonzaga, M.D. 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 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).

56 family medicine physician records list a practice address in Vacaville

They are 56 of the 1,903 NPPES records with a practice address in Vacaville, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Azim Ahmady, MDVacaville, CA 956881417035916
  2. Teresa Auyeung, MDVacaville, CA 956881780771154
  3. Raquel Cripe, M.D.Vacaville, CA 956881912922782
  4. Ricardo Denapoli, D.O.Vacaville, CA 956881295703189
  5. Peaslee Dumont, MDVacaville, CA 956881588748768
  6. Michael Earwood, MDVacaville, CA 956881932287828
  7. Gail Feinberg, DOVacaville, CA 956881194760025
  8. Behroz Hamkar, M.D.Vacaville, CA 956881073525036

Common questions

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

Michael Gonzaga, M.D.'s National Provider Identifier (NPI) is 1972953297, issued on Jun 17, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Michael Gonzaga, M.D. located?

The NPPES record lists a practice address at 1 Quality Dr, Vacaville, CA, 95688. Phone: (707) 624-4000. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A155527, 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. 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.