Keith Alexander Luther, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD00037360 Issued in WA

Practice address

3236 78TH Ave SE Ste 200
Mercer Island, WA 98040-3500

Phone

(206) 275-5060

Fax

(206) 275-5061

NPI assigned

Sep 12, 2006

Last updated

Feb 16, 2026By the provider in NPPES

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 1

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

Internal Medicine

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Swedish Health ServicesGroup PAC ID 9537072814, 384 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Swedish Issaquah Hospital, Issaquah, WA, CCN 500152
• Swedish Medical Center Hospital, Seattle, WA, CCN 500027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kluther1042367@wm.providencedirect.org

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.

• Swedish Health Services

  • Family Medicine Physician
  • Seattle, WA
  • NPI 1831139724

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Physical Therapist
  • Seattle, WA
  • NPI 1619680840
  NPD
• Public Hospital District 2 of Snohomish County

  dba Stevens Pain Treatment Center

  • Pain Clinic/Center
  • Edmonds, WA
  • NPI 1407167513
  NPD (past)

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

• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  Care Compare affiliation
• Swedish Health Services

  dba Swedish/Issaquah

  • General Acute Care Hospital
  • Issaquah, WA
  • NPI 1851686059
  Care Compare affiliation

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

{
    "created_epoch": "1158019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1912001652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25608",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841250608",
            "telephone_number": "206-320-4476",
            "fax_number": "206-568-7043"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3236 78TH AVE SE STE 200",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980403500",
            "telephone_number": "206-275-5060",
            "fax_number": "206-275-5061"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LUTHER",
        "first_name": "KEITH",
        "middle_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-12",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD00037360",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1912001652",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Penelope G. Livingston, LMFT
• Lori F. Lombardo, M.A.CCC/SLP/L
• Longs Drug Store #531
• Susan Chun Lopez
• Luna Healthcare, LLC (Sonus Hearing Care Professionals)
• Regina Ma
• Matthew Salamat Maglalang, PHARM.D.
• Liam Main
• Mak Abulhosn Podiatry Services PLLC
• Shelley M Malcolm, MS, CN

• Internal Medicine Physician in Mercer Island, WA
• Providers in Mercer Island, WA by specialty
• Internal Medicine Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 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.