Sierra Marie Overton Thompson, M.S. CCC-SLP

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

19092 Issued in CA

Practice address

3435 Bonita Vista Dr
Santa Rosa, CA 95404

Phone

(707) 890-3925

NPI assigned

Apr 22, 2024

Last updated

Sep 14, 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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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.

• Speech Pathology Services of Marin Sonoma Incorportated

  • Speech-Language Pathologist
  • Petaluma, CA
  • NPI 1801019773
  NPD (past)
• Walker Speech Therapy, Inc.

  dba Speech and Language Services of Marin-Sonoma

  • Speech-Language Pathologist
  • Petaluma, CA
  • NPI 1316404197
  NPD (past)

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

{
    "created_epoch": "1713744000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1285489260",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1548 MONARCH PL",
            "city": "ROHNERT PARK",
            "state": "CA",
            "postal_code": "949283602",
            "telephone_number": "707-490-4664"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3435 BONITA VISTA DR",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "95404",
            "telephone_number": "707-890-3925"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMPSON",
        "first_name": "SIERRA",
        "middle_name": "MARIE OVERTON",
        "credential": "M.S. CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-04-22",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "CA",
            "license": "19092",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Collin Thompson
• Corrine Jean Thompson
• Dean A. Thompson, MD
• Jeremiah Thompson
• Sara M Thompson
• Somer Thompson
• Tara Thompson, OTD
• Vai Kahealani Thompson
• Helen Louise Thomson, MFT
• Marc Thorne, PA-C

• Speech-Language Pathologist in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Speech-Language Pathologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; 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.