Trucian Adam Ostheimer, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

MD60455403 Issued in WA

Practice address

1740 NW Maple St Ste 202
Issaquah, WA 98027-8127

Phone

(425) 900-6222

Fax

(425) 249-3166

NPI assigned

May 5, 2009

Sex

Male

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 2

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Ophthalmology

Education

Ohio State University College of Medicine, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kaiser Foundation Health Plan of WashingtonGroup PAC ID 9032022579, 1,519 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tostheimer226783@ghc.direct-ci.net

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.

• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Seattle, WA
  • NPI 1396810701
  Medicare reassignment Care Compare group NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1386935351
  NPD
• Kaiser Foundation Health Plan of Washington

  • Multi-Specialty Clinic/Center
  • Renton, WA
  • NPI 1669619870
  NPD
• Peak Retina PLLC

  • Ophthalmology Physician
  • Issaquah, WA
  • NPI 1881474690
  NPD (past)
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1241481600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1770717860",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1740 NW MAPLE ST STE 202",
            "city": "ISSAQUAH",
            "state": "WA",
            "postal_code": "980278127",
            "telephone_number": "425-900-6222",
            "fax_number": "425-249-3166"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 NW MAPLE ST STE 202",
            "city": "ISSAQUAH",
            "state": "WA",
            "postal_code": "980278127",
            "telephone_number": "425-900-6222",
            "fax_number": "425-249-3166"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "111 S 11th Ave",
            "address_2": "STE 201",
            "address_purpose": "LOCATION",
            "city": "Yakima",
            "state": "WA",
            "postal_code": "989024741",
            "country_code": "US",
            "telephone_number": "425-900-6222",
            "fax_number": "425-249-3166",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSTHEIMER",
        "first_name": "TRUCIAN",
        "middle_name": "ADAM",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-05-05",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "WA",
            "license": "MD60455403",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1770717860",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LNI WVH",
            "identifier": "360882",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• James Geoffrey Ormiston, PT, OCS
• Veronica Oropeza Quiroz
• Ryan Richard Orrison, CDP
• Christen B Oskouian, M.D.
• Minka Ostberg
• Devon Otero
• Stephanie Caroline Ouellet, RN, ARNP
• Warren Jim Zachary Owili
• Josiah Odhiambo Owinyo, PA-C
• Annelise Amy Pace, MS

• Ophthalmology Physician in Issaquah, WA
• Providers in Issaquah, WA by specialty
• Ophthalmology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 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.