Gerard N. Mazo, MD
General Practice Physician · Madera, CA
Gerard N. Mazo, MD is a general practice physician with a practice address in Madera, California, and NPI 1063537454, issued on Mar 21, 2007. Check the license (California G20059, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gerard N. Mazo
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- G20059 CA
G20069 CA
Self-reported in NPPES; status is on the state search - Practice location
- 344 E 6TH St, Madera, CA 93638
- Phone
- (559) 664-4000
- Enumerated
- Mar 21, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (559) 675-5224
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
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Verify Gerard N. Mazo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G20059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gerard N. Mazo among 1,956 general practice physician records in California
Gerard N. Mazo, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 50% newer
- In a Medicare fileNo · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,956 in California → Every provider in Madera → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Caleb Querol, M.DMadera, CA 936381578604880
- Theodore Johnstone, M.D.Madera, CA 936371487690608
- Sohail Mamdani, D.O.Los Banos, CA 936351104113976
- Alireza Shams, M.D.Los Banos, CA 936351215323183
- Peraiah Sudanagunta, MDLos Banas, CA 936351336211648
- Jeffrey Barigian, MDOakhurst, CA 936441184657231
- John McBride, MDOakhurst, CA 936441558332668
- Benjamin Rosner, MDReedley, CA 936541881700425
Common questions
What is Gerard N. Mazo, MD's NPI number?
Gerard N. Mazo, MD's National Provider Identifier (NPI) is 1063537454, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gerard N. Mazo, MD located?
The NPPES record lists a practice address at 344 E 6TH St, Madera, CA, 93638. Phone: (559) 664-4000. Providers update this record themselves, so call before visiting.
How can I verify Gerard N. Mazo, MD's license?
NPPES lists California license number G20059, 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.
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.