Quick answers
- Does Nathan C. Trentham accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan C. Trentham accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nathan C. Trentham see?
- In 2024, CMS data shows 424 Original Medicare patients and 7,547 services for Nathan C. Trentham. This counts Original Medicare only and measures volume, not quality.
- What is Nathan C. Trentham's NPI number?
- 1134185358. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nathan C. Trentham, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 424 |
|---|---|
| Services billed to Medicare | 7,547 |
| Different services or procedures | 122 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)2,359 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)734 services
- Insertion of needle into vein for collection of blood sample (36415)558 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)431 services
- Blood test, comprehensive group of blood chemicals (80053)239 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure72%
- Arthritis42%
- Ischemic heart disease34%
- Diabetes31%
- Anxiety22%
Hospitals where Nathan C. Trentham works
Medicare's Facility Affiliation Data lists Nathan C. Trentham at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Starr Regional Medical Center AthensAthens, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440068
- Sweetwater Hospital AssociationSweetwater, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440084
- University Health System, IncKnoxville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440015
Practice locations
Addresses where Nathan C. Trentham is enrolled with Medicare (CMS data updated October 2, 2026).
- 1940 Alcoa Hwy, Suite E310Knoxville, TN 37920 (865) 544‑2800
- 301 Grady RdEtowah, TN 37331 (423) 263‑1743
Group practices
Medicare enrollment lists Nathan C. Trentham as a member of these groups (CMS data updated October 2, 2026).
- Summit Medical Group, PLLC652 clinicians in the group
- University Health System, Inc.522 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Summit Medical Group, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134185358 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians