Dr. Gregory Wallis, DO
Dr. Gregory Wallis, DO practises Emergency Medicine in Pullman, Washington. Qualified in 2020, 6 years ago. Practices with Dhhs IHS Phoenix Area, a 52-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.
- Years since qualifying
- 6
- Licensed in
- WA
- In the registry since
- 2020
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
835 SE Bishop BlvdPullman, WA 99163-5512
Phone: (509) 332-2541
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 12033 Agency Rd, Parker, AZ 85344-7718 — (289) 669-2137
Specialties & licences
| Emergency Medicine Physician (primary) | Taxonomy 207P00000X · Licence OP61426716 (WA) |
|---|
Record details
| NPI number | 1790308278 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | May 19, 2020 |
| Last updated in NPPES | August 5, 2025 |
| Certification date | August 5, 2025 |
Medicare enrollment
| Medicare specialty | EMERGENCY MEDICINE |
|---|---|
| Medical school | OTHER |
| Graduated | 2020 (6 years in practice) |
| Group practice | Dhhs Ihs Phoenix Area — 52 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Practises at
- Parker Indian Health Center Hospital · Parker, AZ
- Pullman Regional Hospital Hospital · Pullman, WA
Colleagues at Dhhs IHS Phoenix Area
- Dr. Benjamin Teichman Addicott, MD Diagnostic Radiology Physician · Huntington Beach, CA
- Omid Adibnazari, MD Emergency Medicine Physician · Torrance, CA
- Dr. Melvin Jerome Clark, MD Ophthalmology Physician · Phoenix, AZ
- Tina E Evenson, CFNP Nurse Practitioner · Sisseton, SD
- Susan Willig Fan, MD Body Imaging Physician · Baytown, TX
- Dr. Micelle Jo Haydel, MD Emergency Medicine Physician · New Orleans, LA
- Dr. Robert Kesead Jr., OD Optometrist · Hurlburt Field, FL
- David Lau, DPM Podiatrist · Parker, AZ
- Dr. Remy Royeh Ngwanyam, MD Diagnostic Radiology Physician · Tripler Army Medical Center, HI
- Deepak Udupa Sekaran, MD General Acute Care Hospital · Roanoke Rapids, NC
- Dr. Lisa Maureen Sumner, MD Rheumatology Physician · Phoenix, AZ
- Dr. Michael Yeh, MD Emergency Medicine Physician · Patchogue, NY
Other providers in Pullman
-
Dr. Larry E Brown, MD
835 SE Bishop Blvd, Pullman, WA 99163-5512 · (509) 336-7388
-
Dr. Clifford Louis Lightfoot III, DO
835 SE Bishop Blvd, Pullman, WA 99163-5512 · (509) 336-7386
-
Dr. Peter M Mikkelsen, MD
835 SE Bishop Blvd, Pullman, WA 99163-5512 · (509) 336-7388
-
Dr. Gerardo R Rodriquez, MD
835 SE Bishop Blvd, Pullman, WA 99163-5512 · (509) 336-7388