Dr. Gregory Wallis, DO

Education and training

• 2020Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

• Emergency Medicine Physician primary
  WA license OP61426716 (first issued 2023; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Emergency Medicine per capita by county →

Where they work

Hospitals

• Pullman Regional Hospital Pullman, WA
• Lake Chelan Community Hospital Chelan, WA
• Parker Indian Health Center Parker, AZ

Medical groups

• Dhhs Ihs Phoenix Area (59 clinicians)

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.