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

Dr. John Marshall Lewis, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1336432798

Dr. John Marshall Lewis, DO is an Internal Medicine in Crossville, Tennessee. Graduated from Lincoln Memorial University Medical Department in 2011, 15 years ago. Practices with Covenant Medical Group Inc, a 356-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
15
Trained at
Lincoln Memorial University Medical Department
Licensed in
TN
In the registry since
2011
Specialties on file
2
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

100 Lantana Rd Ste 202
Crossville, TN 38555
Phone: (931) 484-5141
Fax: (931) 484-5620
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 229 Interstate Dr, Crossville, TN 38555-2709 — (931) 210-5577

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DO02570 (TN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1336432798
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 18, 2011
Last updated in NPPESApril 27, 2021
Certification dateApril 27, 2021
Mailing address100 Lantana Rd Ste 202, Crossville, TN 38555-1903

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLINCOLN MEMORIAL UNIVERSITY MEDICAL DEPARTMENT
Graduated 2011 (15 years in practice)
Group practice Covenant Medical Group Inc — 356 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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