Quick answers
- Does David J. Harris Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Harris 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 David J. Harris Jr. see?
- In 2024, CMS data shows 943 Original Medicare patients and 2,745 services for David J. Harris Jr.. This counts Original Medicare only and measures volume, not quality.
- What is David J. Harris Jr.'s NPI number?
- 1356346910. 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 David J. Harris 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 | 943 |
|---|---|
| Services billed to Medicare | 2,745 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)665 services
- Established patient problem focused exam of visual system (92012)645 services
- Exam of visual field with extended testing (92083)262 services
- Imaging of retina (92134)250 services
- Ct scan of cornea (92025)139 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 pressure73%
- Arthritis49%
- Diabetes27%
- Chronic kidney disease24%
- Ischemic heart disease23%
Hospitals where David J. Harris Jr. works
Medicare's Facility Affiliation Data lists David J. Harris 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.
- 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 David J. Harris Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1932 Alcoa HwyKnoxville, TN 37920
- 1932 Alcoa Hwy, Suite C255Knoxville, TN 37920 (865) 244‑2020
Group practices
Medicare enrollment lists David J. Harris Jr. as a member of this group (CMS data updated October 2, 2026).
- University Eye Specialists, P.C.15 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in University Eye Specialists, P.C.
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 | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356346910 |
| 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