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

Individual provider Gastroenterology Physician · NPI 1043256936

Loyal G Tillotson, MD, PHD is a Gastroenterology Physician in Tucson, Arizona. Licensed in Arizona and South Dakota. Registered with an NPI since 2006.

Licensed in
AZ, SD
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.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1501 N Campbell Ave
Tucson, AZ 85724-5462
Phone: (520) 694-8888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 60656 (AZ)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 4783 (SD)

Record details

NPI number1043256936
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESJanuary 23, 2023
Certification dateJanuary 23, 2023

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