Quick answers
- Does Timothy J. Renfree accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy J. Renfree 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 Timothy J. Renfree see?
- In 2024, CMS data shows 622 Original Medicare patients and 2,641 services for Timothy J. Renfree. This counts Original Medicare only and measures volume, not quality.
- What is Timothy J. Renfree's NPI number?
- 1386602837. 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 Timothy J. Renfree, 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 | 622 |
|---|---|
| Services billed to Medicare | 2,641 |
| Different services or procedures | 106 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)558 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)277 services
- X-ray of finger, minimum of 2 views (73140)212 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)199 services
- X-ray of wrist, minimum of 3 views (73110)170 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%
- Arthritis71%
- High blood pressure68%
- Depression26%
- Anxiety26%
- Ischemic heart disease24%
Hospitals where Timothy J. Renfree works
Medicare's Facility Affiliation Data lists Timothy J. Renfree 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.
- Fort Loudon Medical CenterLenoir City, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 440110
- Methodist Medical Center of Oak RidgeOak Ridge, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440034
- Parkwest Medical CenterKnoxville, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440173
- Roane Medical CenterHarriman, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440031
Practice locations
Addresses where Timothy J. Renfree is enrolled with Medicare (CMS data updated October 2, 2026).
- 1819 Clinch AveKnoxville, TN 37916
- 8 City Blvd, Suite 100Nashville, TN 37209 (615) 329‑6600
- 9430 Park W Blvd, Suite 235Knoxville, TN 37923 (865) 690‑4861
- 988 Oak Ridge Tpke, Suite 100Oak Ridge, TN 37830 (865) 483‑8478
Group practices
Medicare enrollment lists Timothy J. Renfree as a member of this group (CMS data updated October 2, 2026).
- Tennessee Orthopaedic Alliance PA354 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Tennessee Orthopaedic Alliance PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At Houston |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386602837 |
| 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