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

Gregory Leon Umphrey, MD

Individual provider Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1366415515

Gregory Leon Umphrey, MD is a Physical Medicine and Rehabilitation in Scottsdale, Arizona. Graduated from Howard University College of Medicine in 2002, 24 years ago. Practices with Mayo Clinic Arizona, a 1,616-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
24
Trained at
Howard University College of Medicine
Licensed in
AZ
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

13400 E Shea Blvd
Scottsdale, AZ 85259-5452
Phone: (480) 301-8000
Show map & directions

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

Additional practice locations (1)

  • 3090 N 3rd Ave, Phoenix, AZ 85013 — (602) 745-2930

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 37958 (AZ)
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician Taxonomy 2081N0008X · Licence 37958 (AZ)

Record details

NPI number1366415515
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESSeptember 21, 2022
Certification dateSeptember 21, 2022

Medicare enrollment

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

Medicare specialtyPHYSICAL MEDICINE AND REHABILITATION
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Mayo Clinic Arizona — 1616 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare