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

Dr. George J Walker, MD

Individual provider Gastroenterology Physician · NPI 1528053121

Dr. George J Walker, MD is a Gastroenterology in Mesa, Arizona. Qualified in 1981, 45 years ago. Practices with Arizona Digestive Health PC, a 133-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
45
Licensed in
AZ
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6020 E Arbor Ave #101
Mesa, AZ 85206-6102
Phone: (480) 985-1700
Fax: (480) 396-3659
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 21847 (AZ)

Record details

NPI number1528053121
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2005
Last updated in NPPESFebruary 17, 2017

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Arizona Digestive Health Pc — 133 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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