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

Jefferson Pierce Gillum, DO

Individual provider Hospitalist Physician · NPI 1891290656

Jefferson Pierce Gillum, DO is an Internal Medicine in Oak Ridge, Tennessee. Graduated from University of Pikeville, Kentucky College of Osteopathic Med in 2018, 8 years ago. Practices with Hospital Medicine Services of Tennessee PC, a 158-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
8
Trained at
University of Pikeville, Kentucky College of Osteopathic Med
Licensed in
TN
In the registry since
2018
Specialties on file
4
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.

See every abbreviation used in this directory →

Practice location Address checks out

990 Oak Ridge Tpke
Oak Ridge, TN 37830-6976
Phone: (865) 835-4304
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4359 (TN)
Hospitalist Physician Taxonomy 208M00000X · Licence . (TN)
Hospitalist Physician Taxonomy 208M00000X · Licence 0000004359 (TN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1891290656
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 26, 2018
Last updated in NPPESAugust 13, 2021
Certification dateApril 24, 2021
Mailing address12240 Harpers Ferry Ln, Knoxville, TN 37922-5290

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF PIKEVILLE, KENTUCKY COLLEGE OF OSTEOPATHIC MED
Graduated 2018 (8 years in practice)
Group practice Hospital Medicine Services Of Tennessee Pc — 158 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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