Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Christopher Tonn, MD

Individual provider Otolaryngology Physician · NPI 1487065926

Christopher Tonn, MD is an Otolaryngology in Arlington, Washington. Graduated from Boston University School of Medicine in 2014, 12 years ago. Practices with Optum Care Washington PLLC, a 685-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
12
Trained at
Boston University School of Medicine
Licensed in
WA
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4011 172nd St NE
Arlington, WA 98223-7355
Phone: (425) 259-0966
Fax: (360) 363-4712
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9709 3rd Ave Ne, Seattle, WA 98115-2062 — (206) 329-1760

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD61627044 (WA)

Record details

NPI number1487065926
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2014
Last updated in NPPESSeptember 16, 2025
Certification dateSeptember 16, 2025
Mailing addressPo Box 5127, Everett, WA 98206-5127

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Optum Care Washington Pllc — 685 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services