Matthew Alan Gutierrez, M.D.
Family Medicine Physician · Martinez, CA
Matthew Alan Gutierrez, M.D. is a family medicine physician with a practice address in Martinez, California, and NPI 1639245608, issued on Nov 28, 2006. Check the license (California A83812, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Alan Gutierrez
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A83812 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Allen St, Martinez, CA 94553
- Phone
- (925) 370-5000
- Enumerated
- Nov 28, 2006
- Record last updated
- May 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 20 Allen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Marine, IBCLCLactation Consultant (Non-RN)1336545771
- Pamela McCoy, RNPerinatal Registered Nurse1588046817
Verify Matthew Alan Gutierrez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
127 Medicare Part D claims for 35 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of 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.
191 family medicine physician records list a practice address in Martinez
They are 191 of the 1,816 NPPES records with a practice address in Martinez, and 17,133 family medicine physician records in California.
All 191 in Martinez → All 17,133 in California → Every provider in Martinez →
Other family medicine physician records in California
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- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Matthew Alan Gutierrez, M.D.'s NPI number?
Matthew Alan Gutierrez, M.D.'s National Provider Identifier (NPI) is 1639245608, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Alan Gutierrez, M.D. located?
The NPPES record lists a practice address at 20 Allen St, Martinez, CA, 94553. Phone: (925) 370-5000. Providers update this record themselves, so call before visiting.
How can I verify Matthew Alan Gutierrez, M.D.'s license?
NPPES lists California license number A83812, 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 Matthew Alan Gutierrez, M.D. prescribe under Medicare Part D?
In 2024, Matthew Alan Gutierrez, M.D. had 127 Medicare Part D claims for 35 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.