Nathaniel Theodore Koutlas, MD
Orthopaedic Surgery Physician · Alcoa, TN
Nathaniel Theodore Koutlas, MD is an orthopaedic surgery physician with a practice address in Alcoa, Tennessee, and NPI 1609439694, issued on Apr 16, 2019. Check the license (Tennessee 74215, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Theodore Koutlas
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 74215 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1146 Franck St, Alcoa, TN 37701
- Phone
- (865) 694-7725
- Enumerated
- Apr 16, 2019
- Record last updated
- Feb 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20250702000030); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 467 in Tennessee → Look up another NPI →
Also registered at 1146 Franck St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne Baird, MDSports Medicine (Orthopaedic Surgery) Physician1609072560
Verify Nathaniel Theodore Koutlas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 74215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
117 Medicare Part D claims for 54 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Oxycodone Hcl33 claims
- Ondansetron Hcl26 claims
- Gabapentin12 claims
- Ondansetron Odt11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,468.29
30 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Physiotherapy Associates IncLoudon, TN
- Tennessee Orthopaedic Alliance PAKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Theodore Koutlas among 467 orthopaedic surgery physician records in Tennessee
Nathaniel Theodore Koutlas, MD is one of 467 orthopaedic surgery physician records with a practice address in Tennessee. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2003 among the 306 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 orthopaedic surgery physician records list a practice address in Alcoa
They are 4 of the 383 NPPES records with a practice address in Alcoa, and 467 orthopaedic surgery physician records in Tennessee.
All 467 in Tennessee → Every provider in Alcoa → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Brandon Asbury, M.D.Alcoa, TN 377011396961785
- Elizabeth McBride, M.D.Alcoa, TN 377011740609924
- Jay Winn, MDAlcoa, TN 377011689832735
- Judson McGowan, M.D.Mountain Home, TN 376841750315321
- Jared Cordon, MDKingsport, TN 376601649409251
- Jeffery France, M.D.Kingsport, TN 376601942243746
- Mark Griffith, M.D.Kingsport, TN 376601396787354
- Cory Knecht, MDKingsport, TN 376601952834285
Common questions
What is Nathaniel Theodore Koutlas, MD's NPI number?
Nathaniel Theodore Koutlas, MD's National Provider Identifier (NPI) is 1609439694, issued on Apr 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Theodore Koutlas, MD located?
The NPPES record lists a practice address at 1146 Franck St, Alcoa, TN, 37701. Phone: (865) 694-7725. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Theodore Koutlas, MD's license?
NPPES lists Tennessee license number 74215, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathaniel Theodore Koutlas, MD prescribe under Medicare Part D?
In 2024, Nathaniel Theodore Koutlas, MD had 117 Medicare Part D claims for 54 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.