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

Dr. David Reid Trevarthen, MD

Individual provider Hematology & Oncology Physician · NPI 1225057631

Dr. David Reid Trevarthen, MD is a Hematology/Oncology in Spokane, Washington. Graduated from University of Wisconsin School of Medicine in 1974, 52 years ago. Practices with Hays Medical Center Inc, a 186-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Washington.

Years since qualifying
52
Trained at
University of Wisconsin School of Medicine
Licensed in
CO, WA
In the registry since
2006
Specialties on file
2
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

601 S Sherman St
Spokane, WA 99202-1311
Phone: (509) 228-1000
Fax: (509) 252-9300
Show map & directions

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

Additional practice locations (1)

  • 799 E Hampden Ave, Englewood, CO 80113-2700 — (303) 788-8675

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD61187482 (WA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 19508 (CO)

Record details

NPI number1225057631
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 18, 2006
Last updated in NPPESJune 24, 2021
Certification dateJune 24, 2021

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1974 (52 years in practice)
Group practice Hays Medical Center Inc — 186 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Spokane