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

Nathaniel Robert Ellens, MD

Individual provider Neurological Surgery Physician · NPI 1265939524

Nathaniel Robert Ellens, MD is a Neurosurgery in Knoxville, Tennessee. Graduated from Michigan State University College of Human Medicine in 2018, 8 years ago. Practices with Lehigh Valley Physician Group, a 2,493-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
8
Trained at
Michigan State University College of Human Medicine
Licensed in
TN
In the registry since
2018
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

1932 Alcoa Hwy Bldg C
Knoxville, TN 37920-1527
Phone: (616) 581-9320
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 76528 (TN)

Record details

NPI number1265939524
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 12, 2018
Last updated in NPPESJuly 13, 2026
Certification dateJuly 13, 2026
Mailing address1932 Alcoa Hwy Bldg C, Knoxville, TN 37920-1527

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2018 (8 years in practice)
Group practice Lehigh Valley Physician Group — 2493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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