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

Isaac Raymond Thomason, MD

Individual provider Internal Medicine Physician · NPI 1649282542

Isaac Raymond Thomason, MD is a Gastroenterology in Salt Lake City, Utah. Graduated from University of Texas Southwestern Medical School at Dallas in 1976, 50 years ago. Practices with University of Utah Adult Services, a 1,740-clinician group and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
50
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
UT
In the registry since
2006
Specialties on file
3
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

50 N Medical Dr
Salt Lake City, UT 84132-0001
Phone: (801) 581-6795
Fax: (801) 581-7476
Show map & directions

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

Specialties & licences

Transplant Hepatology Physician (primary) Taxonomy 207RT0003X · Licence 161210-1205 (UT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 161210-1205 (UT)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 161210-1205 (UT)

Record details

NPI number1649282542
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2006
Last updated in NPPESDecember 20, 2021
Certification dateDecember 20, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1976 (50 years in practice)
Group practice University Of Utah Adult Services — 1740 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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