Thomas Brown, M.D.
NPI 1851400758 · Ophthalmology Physician · Greeneville, TN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Brown, M.D. is a Ophthalmology Physician provider in Greeneville, TN (NPI 1851400758).
Provider details
- NPI number
- 1851400758
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35895 (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
1,276 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 | 626 | $115 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 238 | $52 |
| Exam of Visual Field With Extended Testing92083 | 128 | $57 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 105 | $23 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 61 | $485 |
| Imaging of Retina92134 | 39 | $37 |
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 | 722 | 185 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 140 | 39 |
| Timolol Maleate | 138 | 44 |
| Brimonidine Tartrate | 103 | 27 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 54 | 13 |
| Erythromycin Basebrand: Erythromycin | 52 | 21 |
| Dorzolamide Hcl | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$193 across 8 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
- 2006-08-30
- Last updated
- 2020-07-24
- Certified
- 2020-07-24
Frequently asked questions
- What is Thomas Brown's NPI number?
- Thomas Brown's National Provider Identifier (NPI) is 1851400758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Brown's specialty?
- Thomas Brown is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Brown located?
- Thomas Brown's practice location on file with NPPES is 1406 Tusculum Blvd Ste 1000, Greeneville, TN 37745-4341.
- What is Thomas Brown's phone number?
- The practice phone number listed in the NPPES registry for Thomas Brown is (423) 639-6848.
- Does Thomas Brown accept Medicare?
- Thomas Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Brown's NPI active?
- Yes — Thomas Brown's NPI (1851400758) is active in the NPPES registry as of the last update on 2020-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.