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

Dr. Jeffrey Hal Gillis, DO

Individual provider Gastroenterology Physician · NPI 1508125626

Dr. Jeffrey Hal Gillis, DO is a Gastroenterology in Jackson, Tennessee. Qualified in 2012, 14 years ago. Practices with Gastroenterology Center of the Midsouth PLLC, a 150-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
14
Licensed in
TN
In the registry since
2012
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

27A Medical Center Dr
Jackson, TN 38301-3949
Phone: (731) 541-8300
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 3450 (TN)

Record details

NPI number1508125626
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 9, 2012
Last updated in NPPESFebruary 16, 2026
Certification dateFebruary 16, 2026
Mailing addressPo Box 381468, Germantown, TN 38183-1468

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Gastroenterology Center Of The Midsouth Pllc — 150 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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