DR. MATTHEW SEAN BRENNAN DO
NPI 1831538057
Urology in Orchard Park, NY
About Dr. Matthew Sean Brennan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW SEAN BRENNAN DO (NPI 1831538057) is an individual urology provider in Orchard Park, New York, licensed in New York (307569) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains a secondary practice location in Hamburg.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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. Matthew Sean Brennan Do 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
3Medicare enrollment records show Matthew Brennan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 55 clinicians in this Medicare group
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 56 clinicians in this Medicare group
Cheektowaga, NY 14225
- Reassigned Medicare billing, New York enrollment
- 23 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 15
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaleida Health
Acute Care Hospitals · Buffalo, NYSisters Of Charity Hospital
Acute Care Hospitals · Buffalo, NYBertrand Chaffee Hospital
Acute Care Hospitals · Springville, NYBrooks-Tlc Hospital System, Inc
Acute Care Hospitals · Dunkirk, NYMercy Hospital Of Buffalo
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14127 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 2
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 15
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 Matthew Brennan's NPI number?
The NPI number for Matthew Brennan is 1831538057. It was assigned to this individual provider in the NPPES registry on June 20, 2013.
Where is Matthew Brennan located?
Matthew Brennan practices at 500 Sterling Dr, Orchard Park, NY 14127. The listed phone number is (716) 677-2273.
What is Matthew Brennan's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Matthew Brennan enrolled in Medicare?
Yes. Matthew Brennan 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 Matthew Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Brennan reassigns Medicare benefits to 3 organizations: Great Lakes Physician, PC (Cheektowaga, NY), Great Lakes Urology PLLC (Cheektowaga, NY) and Harlem Road Ambulatory Surgery Center LLC (Cheektowaga, NY). 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 Matthew Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Brennan accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Matthew Brennan 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 Matthew Brennan affiliated with any hospitals?
According to CMS data, Matthew Brennan is affiliated with Kaleida Health, Sisters Of Charity Hospital, Bertrand Chaffee Hospital, Brooks-Tlc Hospital System, Inc and Mercy Hospital Of Buffalo.
When was this NPI record last updated?
The NPPES record for Matthew Brennan was last updated on December 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.