DR. THOMAS A BRUMMER MD
NPI 1275582900
Ophthalmology in Evansville, IN
About Dr. Thomas A Brummer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS A BRUMMER MD (NPI 1275582900) is an individual ophthalmology provider in Evansville, Indiana, licensed in Indiana (01061898A) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Hamilton Memorial Hospital, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Thomas A Brummer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Thomas Brummer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Evansville, IN 47715
- Reassigned Medicare billing, Illinois and Indiana enrollments
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hamilton Memorial Hospital
Critical Access Hospitals · Mcleansboro, ILGood Samaritan Hospital
Acute Care Hospitals · Vincennes, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 47715 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Brummer's NPI number?
The NPI number for Thomas Brummer is 1275582900. It was assigned to this individual provider in the NPPES registry on May 9, 2006.
Where is Thomas Brummer located?
Thomas Brummer practices at 6149 E Columbia St, Evansville, IN 47715. The listed phone number is (812) 424-2020.
What is Thomas Brummer's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Thomas Brummer enrolled in Medicare?
Yes. Thomas Brummer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Thomas Brummer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Brummer reassigns Medicare benefits to Talley Medical-Surgical Eye Care Associates PC (Evansville, IN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Brummer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Brummer accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Thomas Brummer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Thomas Brummer affiliated with any hospitals?
According to CMS data, Thomas Brummer is affiliated with Hamilton Memorial Hospital and Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Brummer was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Thomas A Brummer, MD · NPI 1275582900
Ophthalmology physician in Evansville, Indiana. Individual provider, active in the CMS NPPES registry since May 9, 2006.
## Identity
- **NPI:** 1275582900 (Entity type: Individual)
- **Enumerated:** May 9, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 01061898A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 6149 E COLUMBIA ST, Evansville, IN 47715-9134
- **Phone:** (812) 424-2020 · **Fax:** (812) 424-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Talley Medical-Surgical Eye Care Associates PC (NPI 1154319143, Evansville, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Medicaid 200845610 (IN); Medicaid 64128523 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1275582900) · Data from the CMS NPPES public registry.