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

Individual provider Internal Medicine Physician · NPI 1649565755

Nathaniel Robert Piel, MD is an Internal Medicine in Knoxville, Tennessee. Graduated from Georgetown University School of Medicine in 2011, 15 years ago. Practices with Faculty Internal Medicine PLLC, a 12-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
15
Trained at
Georgetown University School of Medicine
Licensed in
MA
In the registry since
2011
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

11440 Parkside Dr Ste 302
Knoxville, TN 37934-2662
Phone: (865) 218-9220
Fax: (865) 218-3332
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 257895 (MA)

Record details

NPI number1649565755
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2011
Last updated in NPPESFebruary 19, 2020
Certification dateFebruary 19, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Faculty Internal Medicine Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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