Terra J Grandmason, ARNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP30007907 Issued in WA

Practice address

209 Lilly Rd NE # B
Olympia, WA 98506-5030

Phone

(360) 413-8250

Fax

(360) 413-8830

NPI assigned

Oct 23, 2007

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WA, AK, AZ, UT4 enrollments

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 4

Specialty

Nurse Practitioner

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Puget Sound Gastroenterology PLLCGroup PAC ID 1759278252, 59 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mason General Hospital & Family of Clinics Hospital, Shelton, WA, CCN 501336
• Providence Centralia Hospital Hospital, Centralia, WA, CCN 500019
• Providence St Peter Hospital Hospital, Olympia, WA, CCN 500024
• Tacoma General Allenmore Hospital Hospital, Tacoma, WA, CCN 500129

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tgrandm001@direct.sp-mc.org
• Direct secure messaging: terra.grandmason@gastrohealth.eclinicaldirectplus.com
• FHIR API: https://7e6d65ac-543a-4d66-acb8-36b51c8c951c.gastro.prod.fhir.ema-api.com/fhir/r4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Puget Sound Gastroenterology, PLLC

  • Clinical Medical Laboratory
  • Lynnwood, WA
  • NPI 1689646838
  Medicare reassignment Care Compare group NPD
• Grays Harbor County Public Hospital District No 1

  • Critical Access Hospital
  • Elma, WA
  • NPI 1740211028
  Medicare reassignment NPD
• Lewis County Community Health Services

  • Federally Qualified Health Center (FQHC)
  • Chehalis, WA
  • NPI 1134164692
  Medicare reassignment NPD
• Providence Health & Services Washington

  • Family Medicine Physician
  • Olympia, WA
  • NPI 1174744304
  Medicare reassignment NPD
• Signify Health Medical Associates, PLLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1750845863

  WA

  Medicare reassignment NPD
• Signify Health, LLC

  • General Practice Physician
  • Dallas, TX
  • NPI 1689158487

  AK, AZ, UT

  Medicare reassignment NPD
• Grays Harbor County Public Hospital District No 1

  • Medicare Defined Swing Bed Hospital Unit
  • Elma, WA
  • NPI 1750554366
  NPD
• Lewis County Community Health Services

  • Federally Qualified Health Center (FQHC)
  • Centralia, WA
  • NPI 1811669658
  NPD
• Puget Sound Gastroenterology, PLLC

  • Gastroenterology Physician
  • Edmonds, WA
  • NPI 1033132956
  NPD
• Puget Sound Gastroenterology, PLLC

  • Gastroenterology Physician
  • Olympia, WA
  • NPI 1386340164
  NPD
• Puget Sound Gastroenterology, PLLC

  • Ambulatory Surgical Clinic/Center
  • Seattle, WA
  • NPI 1386615912
  NPD (past)
• Cellnetix Pathology, PLLC

  • Anatomic Pathology & Clinical Pathology Physician
  • Tucson, AZ
  • NPI 1598624207
  NPD (past)

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

• Multicare Health System

  • General Acute Care Hospital
  • Tacoma, WA
  • NPI 1366556227
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1346250594
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Centralia, WA
  • NPI 1376624981
  Care Compare affiliation
• Providence Health & Services Washington

  • General Acute Care Hospital
  • Olympia, WA
  • NPI 1619176997
  Care Compare affiliation
• Public Hospital District No 1 of Mason County

  • Clinic/Center
  • Shelton, WA
  • NPI 1700111986

  Hospital

  Care Compare affiliation
• Public Hospital District No 1 of Mason County

  • Critical Access Hospital
  • Shelton, WA
  • NPI 1760568752
  Care Compare affiliation
• Public Hospital District No 1 of Mason County Washington

  • Foot & Ankle Surgery Podiatrist
  • Shelton, WA
  • NPI 1437486248

  Hospital

  Care Compare affiliation
• Public Hospital District No 1 of Mason County Washington

  • Surgery Physician
  • Shelton, WA
  • NPI 1639339666

  Hospital

  Care Compare affiliation
• Public Hospital District No 1 of Mason County Washington

  • Ophthalmologic Surgery Clinic/Center
  • Shelton, WA
  • NPI 1922196609

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1193097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1235328501",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "209 LILLY RD NE # B",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985065030",
            "telephone_number": "360-413-8250",
            "fax_number": "360-413-8830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "209 LILLY RD NE # B",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985065030",
            "telephone_number": "360-413-8250",
            "fax_number": "360-413-8830"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "222 Kenyon St NW Ste 1",
            "address_purpose": "LOCATION",
            "city": "Olympia",
            "state": "WA",
            "postal_code": "985024578",
            "country_code": "US",
            "telephone_number": "253-234-7027",
            "fax_number": "800-476-0457",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRANDMASON",
        "first_name": "TERRA",
        "middle_name": "J",
        "name_prefix": "Ms.",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-10-23",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "AP30007907",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1054720",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Alexandra Leigh Graham
• Alicia Kay Graham, RN
• Melissa Lea Graham, CNM
• Sherry Lynn Graham
• Terry Curtis Graham, PEER COUNSELOR
• Alyssa Grant
• Angela Grant, LMP
• Heather Lynne Grant, PHARMD
• Joshua M Grant, PA-C
• Patti Grant, LMP

• Family Nurse Practitioner in Olympia, WA
• Providers in Olympia, WA by specialty
• Family Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 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.