Alberto Guillermo Hernandez, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

21625 Issued in CA

Practice address

2500 Alhambra Ave
Martinez, CA 94553-3156

Phone

(925) 370-5000

NPI assigned

Oct 26, 2011

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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

• SNF Specialists Medical Corporation

  • Internal Medicine Physician
  • Fairfield, CA
  • NPI 1497265565
  Medicare reassignment NPD
• Contra Costa County

  • Adult Mental Health Clinic/Center
  • San Pablo, CA
  • NPI 1376620336
  Medicare reassignment

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

{
    "created_epoch": "1319587200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1285910976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 BATES AVE",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945201376",
            "telephone_number": "925-305-9599"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 ALHAMBRA AVE",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945533156",
            "telephone_number": "925-370-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERNANDEZ",
        "first_name": "ALBERTO",
        "middle_name": "GUILLERMO",
        "name_prefix": "Mr.",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-10-26",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "771501",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "21625",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• George Heitzman
• Cynthia Hellman-Wylie, MSN, FNP
• Emily Noel Espiritu Hemmerling
• Diane Henning-Luce, RDN
• Heritage Hills Home, Inc.
• Estela Hernandez
• Gilberto Espino Hernandez Jr.
• Samantha Marie Hernandez
• Janelly Herrera
• Abaigeal Herrick

• Family Nurse Practitioner in Martinez, CA
• Providers in Martinez, CA by specialty
• Family Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.