Quick answers
- Does James W. Cox Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James W. Cox Jr. 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 James W. Cox Jr. see?
- In 2024, CMS data shows 576 Original Medicare patients and 1,264 services for James W. Cox Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James W. Cox Jr.'s NPI number?
- 1932100542. 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 James W. Cox Jr., 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 | 576 |
|---|---|
| Services billed to Medicare | 1,264 |
| Different services or procedures | 64 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)197 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)131 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)130 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)121 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)55 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 blood pressure75%
- High cholesterol75%
- Atrial fibrillation66%
- Arthritis55%
- Ischemic heart disease48%
- Heart failure40%
Hospitals where James W. Cox Jr. works
Medicare's Facility Affiliation Data lists James W. Cox Jr. 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.
- Blount Memorial HospitalMaryville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440011
- 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 James W. Cox Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1924 Alcoa HwyKnoxville, TN 37920
- 1928 Alcoa Hwy, Suite B100Knoxville, TN 37920 (865) 305‑6333
- 1928 Alcoa Hwy 102Knoxville, TN 37920 (865) 305‑6640
- 1928 Alcoa Hwy S 102Knoxville, TN 37920 (865) 544‑6740
- 1940 Alcoa Hwy, Suite E310Knoxville, TN 37920 (865) 544‑2800
Group practices
Medicare enrollment lists James W. Cox Jr. as a member of this group (CMS data updated October 2, 2026).
- University Health System, Inc.522 clinicians in the group
Specialties
Other cardiac electrophysiologists in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in University Health System, Inc.
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 | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932100542 |
| 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