Cynthia Hellman-Wylie, MSN, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

RN433602 NPC10696 Issued in CA

Practice address

2500 Alhambra Ave
Martinez, CA 94553-3156

Phone

(925) 370-5200

NPI assigned

Jan 9, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

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

Master of Science - Nursing

State licenses

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.

• Contra Costa County

  dba West County Adult Mental Health Services

  • 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": "1136764800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1093793127",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 ALHAMBRA AVE",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945533156",
            "telephone_number": "925-370-5200"
        },
        {
            "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": "925-370-5200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HELLMAN-WYLIE",
        "first_name": "CYNTHIA",
        "name_prefix": "Ms.",
        "credential": "MSN, FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "RN433602 NPC10696",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hannah Louise Head, REGISTERED NURSE
• David Hearst, MD
• Rachel Heinemann
• Gerhard Heinrich, M.D.
• George Heitzman
• Emily Noel Espiritu Hemmerling
• Diane Henning-Luce, RDN
• Heritage Hills Home, Inc.
• Alberto Guillermo Hernandez, FNP-C
• Estela Hernandez

• 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 Jul 13, 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.