Leigh Tyner Grossmann, AU.D.

Primary specialty

AudiologistTaxonomy code 231H00000X

License

4099 Issued in CA

Practice address

600 Coffee Rd
Modesto, CA 95355-4201

Phone

(209) 524-1211

NPI assigned

Oct 24, 2025

Last updated

Feb 4, 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

Enrollment records 1

Specialty

Qualified Audiologist

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Sutter Valley Medical Foundation

  dba Sutter Gould Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986
  Medicare reassignment Care Compare group
• Sutter Valley Medical Foundation

  dba Sutter Regional Medical Foundation

  • Multi-Specialty Clinic/Center
  • Fairfield, CA
  • NPI 1184859894
  NPD
• Sutter Valley Medical Foundation

  • Durable Medical Equipment & Medical Supplies
  • Tracy, CA
  • NPI 1720930712
  NPD
• Sutter Regional Medical Foundation

  • Family Medicine Physician
  • Fairfield, CA
  • NPI 1558388504
  NPD (past)
• Sutter Valley Medical Foundation

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1952327256
  NPD (past)

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

{
    "created_epoch": "1761264000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1770451569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 255228",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958655228",
            "telephone_number": "800-470-0071",
            "fax_number": "916-854-6769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 COFFEE RD",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953554201",
            "telephone_number": "209-524-1211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSSMANN",
        "first_name": "LEIGH",
        "middle_name": "TYNER",
        "credential": "AU.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-24",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "CA",
            "license": "4099",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carissa Groen
• Khalia Brendelle Grogen, RBT
• Gregory Mathew Grooms
• Christopher B. Gropp
• Jamiqua Gross
• Samuel Grosvenor
• Christopher M. Grover, MD
• Ella Grover
• Jami Grover, MA
• Marissa Grubb

• Audiologist in Modesto, CA
• Providers in Modesto, CA by specialty
• Audiologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.