Dr. Gregory Wallis , DO
Emergency Medicine • Pullman, WA
Professional Overview & Biography Verified Profile Summary
Dr. Gregory Wallis, DO is a certified Emergency Medicine practicing in Pullman, WA. With approximately 6 years of clinical experience since completing medical education in 2020, Dr. Wallis delivers high-quality medical care to the local community at 835 SE BISHOP BLVD.
Dr. Wallis is affiliated with Dhhs Ihs Phoenix Area and accepts Medicare assignment.
Practice Location & Contact Primary Location
835 Se Bishop Blvd
Pullman, WA 991635512
Medicare Profile & Education
Other
2020
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Emergency Medicine in Pullman, WA
Practicing in Pullman, WA (1495 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Medical Specialties & State Licenses
CMS Verified: 2025-08-05NUCC Taxonomy Code: 207P00000X
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Hospital & Practice Group Affiliations
Dhhs Ihs Phoenix Area
12033 Agency Rd, Parker, AZ 853447718
Phone: 9286692137
Secondary Practice Locations
12033 Agency Rd
Parker, AZ 853447718
Phone: 2896692137
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Registered Nurse
Registered Nurse
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
DNAP, Certified Registered Nurse Anesthetist
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist, Doctor of Nursing Practice
Physical Therapist
Physical Therapist - Neurology
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 835 SE BISHOP BLVD, PULLMAN, WA 991635512 (Tel: 5093322541)
Registered at 12033 AGENCY RD, PARKER, AZ 853447718 (Tel: 2896692137)
Registered at PO BOX 95461, CLEVELAND, OH 441010033 (Tel: 9286692137)
Registered at 825 SE BISHOP BLVD, PULLMAN, WA 991636075 (Tel: 5093367300)
Registered at 825 SE BISHOP BLVD, PULLMAN, WA 991636075 (Tel: 5093367300)
Emergency Medicine (License #OP61426716 in WA)
NPI status registered as active in NPPES database
Registered at 1031 MCINTOSH CIR, JOPLIN, MO 648043643 (Tel: 8014555078)
Registered at 1031 MCINTOSH CIR, JOPLIN, MO 648043643 (Tel: 8014555078)
Recorded as GREGORY WALLIS, DO
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Dr. Gregory Wallis
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
Po Box 95461
Cleveland, OH 441010033
Phone: 9286692137
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.