Christopher Tonn, M.D.

Primary specialty

Otolaryngology PhysicianTaxonomy code 207Y00000X

License

MD61627044 Issued in WA

Practice address

4011 172ND St NE
Arlington, WA 98223-7355

Phone

(425) 259-0966

Fax

(360) 363-4712

NPI assigned

May 19, 2014

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

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

Otolaryngology

Education

Boston University School of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Regional Medical Center Everett Hospital, Everett, WA, CCN 500014

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/3889/brand/1/csg/1/fhir/r4
• Direct secure messaging: ctonn100301@direct.tecmc.com

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.

• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766
  Medicare reassignment Care Compare group NPD
• The Polyclinic PLLC

  • Audiologist
  • Seattle, WA
  • NPI 1174594634

  Otolaryngology

  Medicare reassignment NPD
• Optum Care Washington PLLC

  • Durable Medical Equipment & Medical Supplies
  • Marysville, WA
  • NPI 1194428425
  NPD
• The Polyclinic

  • Ambulatory Surgical Clinic/Center
  • Seattle, WA
  • NPI 1073944039
  NPD
• The Polyclinic PLLC

  • Durable Medical Equipment & Medical Supplies
  • Tacoma, WA
  • NPI 1831411487
  NPD
• Optum Care Washington PLLC

  • Ambulatory Surgical Clinic/Center
  • Everett, WA
  • NPI 1154318103
  NPD (past)

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

• Providence Health & Services-Wa

  • Hospitalist Physician
  • Everett, WA
  • NPI 1649615220
  Care Compare affiliation
• Providence Health & Services-Wa

  • General Acute Care Hospital
  • Everett, WA
  • NPI 1700037801
  Care Compare affiliation

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

{
    "created_epoch": "1400457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757980800000",
    "number": "1487065926",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5127",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982065127",
            "telephone_number": "206-860-5414",
            "fax_number": "206-720-8462"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4011 172ND ST NE",
            "city": "ARLINGTON",
            "state": "WA",
            "postal_code": "982237355",
            "telephone_number": "425-259-0966",
            "fax_number": "360-363-4712"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9709 3rd Ave NE",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981152062",
            "country_code": "US",
            "telephone_number": "206-329-1760",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TONN",
        "first_name": "CHRISTOPHER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-19",
        "last_updated": "2025-09-16",
        "certification_date": "2025-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "WA",
            "license": "MD61627044",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Caitlyn Thompson, L.M.P
• Dolores A Thomson, R.D.
• Ellyn C. Thoreen, ARNP
• Jennifer Nichole Tillman, LMHCA
• Alexa Lee Tippit, LMT
• Jennifer Kim Tran, DDS
• Tranquil Waters Counseling LLC
• Trans-West Ambulance Service LLC
• Meisha Lynn Treml, MSW
• Trevor Tsuchikawa IV PLLC

• Otolaryngology Physician in Arlington, WA
• Providers in Arlington, WA by specialty
• Otolaryngology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 2025; 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.