Thomas Brummer, MD
NPI 1275582900 · Ophthalmology Physician · Evansville, IN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Brummer, MD is a Ophthalmology Physician provider in Evansville, IN (NPI 1275582900).
Provider details
- NPI number
- 1275582900
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01061898A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
3,854 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) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 923 | $421 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 878 | $38 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 440 | $157 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 319 | $86 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 262 | $248 |
| Imaging of Optic Nerve92133 | 180 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tobramycin | 1,245 | 801 |
| Prednisolone Acetate | 1,226 | 676 |
| Ketorolac Tromethamine | 1,128 | 682 |
| Latanoprost | 579 | 135 |
| Loteprednol Etabonatebrand: Lotemax Sm | 336 | 184 |
| Timolol Maleate | 250 | 77 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 139 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$713 across 13 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
- 2006-05-09
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Thomas Brummer's NPI number?
- Thomas Brummer's National Provider Identifier (NPI) is 1275582900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Brummer's specialty?
- Thomas Brummer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Brummer located?
- Thomas Brummer's practice location on file with NPPES is 6149 E Columbia St, Evansville, IN 47715-9134.
- What is Thomas Brummer's phone number?
- The practice phone number listed in the NPPES registry for Thomas Brummer is (812) 424-2020.
- Does Thomas Brummer accept Medicare?
- Thomas Brummer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Brummer's NPI active?
- Yes — Thomas Brummer's NPI (1275582900) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.