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

Dr. Robert M McCallum, MD

Individual provider Specialist · NPI 1134264427

Dr. Robert M McCallum, MD is a Gastroenterology in Tucson, Arizona. Qualified in 1988, 38 years ago. Practices with Tucson Gastroenterology Specialists, PC, a 6-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
38
Licensed in
AZ
In the registry since
2007
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

3040 N Swan Rd Ste B
Tucson, AZ 85712-1206
Phone: (520) 327-3454
Fax: (520) 327-3431
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 30996 (AZ)

Record details

NPI number1134264427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 21, 2007
Last updated in NPPESFebruary 15, 2024
Mailing address3040 N. Swan Rd Ste B, Tucson, AZ 85712-1206

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Tucson Gastroenterology Specialists, Pc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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