Sydney Guenther

Primary specialty

Women's Health Nurse PractitionerTaxonomy code 363LW0102X

License

95039490 Issued in CA

Practice address

5440 Thornwood Dr Ste G
San Jose, CA 95123-1217

Phone

(408) 281-9777

NPI assigned

May 7, 2024

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

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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.

• Planned Parenthood Mar Monte, Inc

  • Community Health Clinic/Center
  • Stockton, CA
  • NPI 1174579957
  Medicare reassignment
• Lynn Community Health, Inc.

  • Federally Qualified Health Center (FQHC)
  • Lynn, MA
  • NPI 1013997691
  NPD (past)

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

{
    "created_epoch": "1715040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779321600000",
    "number": "1740038603",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5440 THORNWOOD DR STE G",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951231217"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5440 THORNWOOD DR STE G",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951231217",
            "telephone_number": "408-281-9777"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 Central Ave",
            "address_purpose": "LOCATION",
            "city": "Lynn",
            "state": "MA",
            "postal_code": "019011201",
            "country_code": "US",
            "telephone_number": "781-581-3900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUENTHER",
        "first_name": "SYDNEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-05-07",
        "last_updated": "2026-05-21",
        "certification_date": "2026-05-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "CA",
            "license": "95039490",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ridhi Gudoor, DO
• Manasa Gudur, MD
• Vehazoun Steven Guekguezian, D.D.S.
• John Thomas Guenther
• Stacy Guenther
• Amber Guerin
• Jennifer L Guerin, MARRAIGE AND FAMILY
• Austin Taylor Guerra
• Chantel Guerra
• Cherisse Ann Guerra

• Women's Health Nurse Practitioner in San Jose, CA
• Providers in San Jose, CA by specialty
• Women's Health Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.