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

Nathaniel Theodore Koutlas, MD

Individual provider Orthopaedic Surgery Physician · NPI 1609439694

Nathaniel Theodore Koutlas, MD is an Orthopedic Surgery in Alcoa, Tennessee. Qualified in 2019, 7 years ago. Practices with Physiotherapy Associates Inc, a 1,458-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
7
Licensed in
TN
In the registry since
2019
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

1146 Franck St 101
Alcoa, TN 37701
Phone: (865) 694-7725
Show map & directions

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

Additional practice locations (1)

  • 9430 Park West Blvd Ste 130, Knoxville, TN 37923-4205 — (865) 355-0811

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 74215 (TN)

Record details

NPI number1609439694
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 16, 2019
Last updated in NPPESFebruary 17, 2026
Certification dateFebruary 17, 2026
Mailing addressPo Box 306556, Nashville, TN 37230-6556

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Physiotherapy Associates Inc — 1458 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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