Individual provider Active NPI

Terri Lynn Grosshans, PA-C

  • Surgical Physician Assistant
  • Sun City, AZ
National Provider Identifier
1790904613
Registry record updated Oct 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PA60600225 Issued in WA
Practice address
14502 W Meeker Blvd
Sun City, AZ 85375-5282
Phone
(623) 524-4000
NPI assigned
Apr 25, 2007
Last updated
Oct 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X PA60600225 WA Primary
Surgical Assistant 246ZC0007X 11935 AZ

Addresses

Primary practice location

14502 W Meeker Blvd
Sun City, AZ 85375-5282

Mailing address

2915 W Bitters Rd Ste 201
San Antonio, TX 78248-2007
Phone (210) 598-2800

Other names 1

  • Terri Lynn Hahn Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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

Enrollment IDStateProvider typePAC IDDetails
I20151201001956 WA Practitioner - Physician Assistant 7315247145 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

3909 9TH Ave SW
Olympia, WA 98502-5134
Phone (360) 570-3460

615 Lilly Rd NE
Olympia, WA 98506-5117
Phone (360) 491-4211

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
11935AZMDProfessional Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Olympia Orthopaedic Associates PLLC CurrentSince Nov 1, 2018 Accepting new patients
Olympia Orthopaedic Associates, PLLC CurrentSince Nov 1, 2018 Accepting new patients
Proliance Surgeons Inc P S Surgical CurrentSince Dec 1, 2015 Accepting new patients
Public Hospital District No 1 of Mason County Wa CurrentSince Nov 15, 2018 Accepting new patients
Public Hospital District No 1 of Mason County CurrentSince Nov 15, 2018 Accepting new patients
Proliance Surgeons Inc P S Surgical CurrentSince Dec 1, 2015 Accepting new patients

Locations

7308 Bridgeport Way W
Ste 201
Lakewood, WA 98499
Phone (253) 582-7257

1401 S Laventure Rd
Mount Vernon, WA 98274
Phone (360) 424-2400

3901 Capital Mall Dr SW
#A
Olympia, WA 98502
Phone (360) 570-3460

3901 Capital Mall Dr SW
Ste B
Olympia, WA 98502
Phone (360) 528-8571

3909 9th Ave SW
Olympia, WA 98502
Phone (360) 570-3460

615 Lilly Rd NE
Ste 100
Olympia, WA 98506
Phone (360) 491-4211

615 Lilly Rd NE
Ste 240
Olympia, WA 98506
Phone (360) 413-3850

805 Madison St
Ste 901
Seattle, WA 98104
Phone (206) 264-8100

901 Mountain View Dr
Shelton, WA 98584
Phone (360) 426-1611

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/5512/brand/1/csg/1/fhir/r4
  • Direct secure messaging: terri.grosshans.1@5512.direct.athenahealth.com

Organizations & group practices 7

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.

Hospital & facility affiliations 10

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1177459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1790904613",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2915 W BITTERS RD STE 201",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782482007",
            "telephone_number": "210-598-2800",
            "fax_number": "210-598-4289"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14502 W MEEKER BLVD",
            "city": "SUN CITY",
            "state": "AZ",
            "postal_code": "853755282",
            "telephone_number": "623-524-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSSHANS",
        "first_name": "TERRI",
        "middle_name": "LYNN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-25",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WA",
            "license": "PA60600225",
            "primary": true
        },
        {
            "code": "246ZC0007X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Other, Surgical Assistant",
            "state": "AZ",
            "license": "11935",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "TERRI",
            "last_name": "HAHN",
            "middle_name": "LYNN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Sun City, AZ

Sources for this page

Verify at the official NPI Registry.