Nathan Craig Trentham, MD
NPI 1134185358ActiveIndividual· Internal Medicine· Etowah, TN
Internal Medicine (MD) in Etowah, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $2,131,555 for 16,335 claims, against $156,051 paid for services in 2024. Amgen Inc. was the largest of 28 companies reporting payments in 2025, $83,494 in all, mostly speaking and faculty fees.
Overview
| NPI | 1134185358 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Nov 7, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 029515 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 424 |
|---|---|
| Services billed | 7,547 across 122 procedure codes |
| Paid by Medicare | $156,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,335 · 30,485 30-day fills |
|---|---|
| Patients | 774 |
| Total drug cost | $2,131,555 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliations
- Starr Regional Medical Center AthensAthens, TN
- Sweetwater Hospital AssociationSweetwater, TN
- University Health System, IncKnoxville, TN
Other facilities
- Accentcare Home Health of TennesseeHome health agency · Chattanooga, TN
- Amedisys Home Health ChattanoogaHome health agency · Chattanooga, TN
- Enhabit Home HealthHome health agency · Knoxville, TN
- Nhc Homecare AthensHome health agency · Athens, TN
- Hospice of Chattanooga Holdings, LLCHospice · Chattanooga, TN
- Starr Regional Health & RehabilitationNursing home · Etowah, TN
Industry payments (Open Payments)
- 2025$83,494 · 256 payments from 28 companies
- 2024$60,679 · 232 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $75,136 | 102 |
| Merck Sharp & Dohme LLC | $6,213 | 10 |
| Novo Nordisk Inc | $295.40 | 14 |
| Abbvie Inc. | $271.59 | 17 |
| Novartis Pharmaceuticals Corporation | $264.87 | 25 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$59,511 · 32 payments
- Consulting Fee$14,253 · 3 payments
- Travel and Lodging$6,138 · 33 payments
- Food and Beverage$3,497 · 185 payments
- Education$96.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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