Quick answers
- Does John F. Robertson Iv accept Medicare assignment?
- Yes. Medicare's clinician data says John F. Robertson Iv 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 John F. Robertson Iv see?
- In 2024, CMS data shows 388 Original Medicare patients and 669 services for John F. Robertson Iv. This counts Original Medicare only and measures volume, not quality.
- What is John F. Robertson Iv's NPI number?
- 1467145730. 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 John F. Robertson Iv, 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 | 388 |
|---|---|
| Services billed to Medicare | 669 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)257 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)188 services
- Imaging of retina (92134)77 services
- New patient complete exam of visual system (92004)38 services
- Imaging of optic nerve (92133)36 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 cholesterol74%
- Diabetes43%
- Arthritis40%
- Ischemic heart disease30%
- Chronic kidney disease26%
Practice locations
Addresses where John F. Robertson Iv is enrolled with Medicare (CMS data updated October 2, 2026).
- 1855 Tanner Way, Suite 120Harriman, TN 37748 (865) 882‑1535
Group practices
Medicare enrollment lists John F. Robertson Iv as a member of this group (CMS data updated October 2, 2026).
- Eye Center of Oak Ridge, PC14 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Harriman
Clinicians with the same Medicare primary specialty in Harriman, TN — not a recommendation.
Other clinicians in Eye Center of Oak Ridge, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Alabama Birmingham - School Of Optometry |
| Graduation year | 2023 (3 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467145730 |
| 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
- 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