Quick answers
- Does Thomas L. Dahl Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas L. Dahl 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 Thomas L. Dahl Jr. see?
- In 2024, CMS data shows 933 Original Medicare patients and 2,776 services for Thomas L. Dahl Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Thomas L. Dahl Jr.'s NPI number?
- 1619090370. 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 Thomas L. Dahl 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 | 933 |
|---|---|
| Services billed to Medicare | 2,776 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient complete exam of visual system (92014)800 services
- Measurement of corneal curvature and depth of eye (92136)325 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)300 services
- Removal of cataract with insertion of prosthetic lens (66984)200 services
- Imaging of optic nerve (92133)172 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%
- Arthritis47%
- Diabetes29%
- Ischemic heart disease25%
- Chronic kidney disease24%
Practice locations
Addresses where Thomas L. Dahl Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 90 Vermont AveOak Ridge, TN 37830 (865) 482‑8890
Group practices
Medicare enrollment lists Thomas L. Dahl Jr. as a member of this group (CMS data updated October 2, 2026).
- Eye Center of Oak Ridge, PC14 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Oak Ridge
Clinicians with the same Medicare primary specialty in Oak Ridge, 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 | MD |
|---|---|
| Medical school | East Tennessee State University Quillen College Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619090370 |
| 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