Thomas Dahl, M.D.
NPI 1619090370 · Ophthalmology Physician · Oak Ridge, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Dahl, M.D. is a Ophthalmology Physician provider in Oak Ridge, TN (NPI 1619090370).
Provider details
- NPI number
- 1619090370
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD0000040322 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,177 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 800 | $115 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 325 | $23 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 300 | $84 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 200 | $491 |
| Imaging of Optic Nerve92133 | 172 | $32 |
| Exam of Visual Field With Extended Testing92083 | 155 | $57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 292 | 91 |
| Timolol Maleate | 131 | 39 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 85 | 73 |
| Bimatoprostbrand: Lumigan | 78 | 26 |
| Cyclosporinebrand: Restasis | 71 | 31 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 43 | 13 |
| Prednisolone Acetate | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$431 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2010-09-02
Frequently asked questions
- What is Thomas Dahl's NPI number?
- Thomas Dahl's National Provider Identifier (NPI) is 1619090370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Dahl's specialty?
- Thomas Dahl is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Dahl located?
- Thomas Dahl's practice location on file with NPPES is 90 Vermont Ave, Oak Ridge, TN 37830-6474.
- What is Thomas Dahl's phone number?
- The practice phone number listed in the NPPES registry for Thomas Dahl is (865) 482-8890.
- Does Thomas Dahl accept Medicare?
- Thomas Dahl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Dahl's NPI active?
- Yes — Thomas Dahl's NPI (1619090370) is active in the NPPES registry as of the last update on 2010-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.