DR. THOMAS RICHARD MAHER JR. MD
NPI 1225248958
Anesthesiology in Louisville, KY
About Dr. Thomas Richard Maher Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS RICHARD MAHER JR. MD (NPI 1225248958) is an individual anesthesiology provider in Louisville, Kentucky, licensed in Indiana (01089553A) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Norton Hospitals, Inc, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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 Richard Maher Jr. 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 Reassignments
7Medicare enrollment records show Thomas Maher reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: University Of Louisville Physicians Inc
- 2,337 clinicians in this Medicare group
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 526 clinicians in this Medicare group
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 130 clinicians in this Medicare group
Louisville, KY 40207
- Reassigned Medicare billing, Kentucky enrollment
- 125 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 1,781 clinicians in this Medicare group
Irving, TX 75038
- Reassigned Medicare billing, Michigan enrollment
- 905 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Indiana enrollment
- 287 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 5
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.
Norton Hospitals, Inc
Acute Care Hospitals · Louisville, KYBaptist Health Louisville
Acute Care Hospitals · Louisville, KYMedicare 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Maher's NPI number?
The NPI number for Thomas Maher is 1225248958. It was assigned to this individual provider in the NPPES registry on May 23, 2007.
Where is Thomas Maher located?
Thomas Maher practices at 200 Abraham Flexner Way Anesthesia Department, Louisville, KY 40202. The listed phone number is (502) 587-4203.
What is Thomas Maher's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Thomas Maher enrolled in Medicare?
Yes. Thomas Maher 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 organizations bill Medicare for Thomas Maher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Maher reassigns Medicare benefits to 7 organizations: University Of Louisville Phyisicians, Inc. (Louisville, KY), Professional Anesthesia Services Of Kentucky PLLC (Louisville, KY), Universal Anesthesia Services LLC (Louisville, KY), Northstar Anesthesia Of Kentucky, PLLC (Louisville, KY), Indiana University Health Care Associates, Inc (Indianapolis, IN) and 2 more organizations, listed in the Medicare section above. Each 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 Maher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Maher accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and CareSource list Thomas Maher 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 Maher affiliated with any hospitals?
According to CMS data, Thomas Maher is affiliated with Norton Hospitals, Inc and Baptist Health Louisville.
When was this NPI record last updated?
The NPPES record for Thomas Maher was last updated on May 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.