Individual provider Active NPI

Gerard N Mazo, MD

  • General Practice Physician
  • Madera, CA
National Provider Identifier
1063537454
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice PhysicianTaxonomy code 208D00000X
License
G20059 Issued in CA
Practice address
344 E 6TH St
Madera, CA 93638-3631
Phone
(559) 664-4000
Fax
(559) 675-5224
NPI assigned
Mar 21, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X G20069 CA
Public Health & General Preventive Medicine Physician 2083P0901X G20059 CA
Surgery Physician 208600000X G20059 CA
General Practice Physician 208D00000X G20059 CA Primary

Addresses

Primary practice location

344 E 6TH St
Madera, CA 93638-3631

Mailing address

305 Vineyard Town Ctr # 152
Morgan Hill, CA 95037-5674
Phone (831) 644-0523

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G20069CAMDFamily Medicine Physician
G20059CAMDPublic Health & General Preventive Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Luis a Perez MD Inc General Practice Past Accepting new patients
Pacific Rehabilitation & Pain Surgery Past Accepting new patients
Monterey Medical Center Past Accepting new patients

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1174435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1063537454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "305 VINEYARD TOWN CTR # 152",
            "city": "MORGAN HILL",
            "state": "CA",
            "postal_code": "950375674",
            "telephone_number": "831-644-0523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "344 E 6TH ST",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936383631",
            "telephone_number": "559-664-4000",
            "fax_number": "559-675-5224"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAZO",
        "first_name": "GERARD",
        "middle_name": "N",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-21",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "G20069",
            "primary": false
        },
        {
            "code": "2083P0901X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Public Health & General Preventive Medicine",
            "state": "CA",
            "license": "G20059",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "G20059",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "CA",
            "license": "G20059",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madera, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.