Quick answers
- Which hospitals does Matthew S. Brennan work at?
- Medicare's official clinician data lists Matthew S. Brennan at 5 hospitals: Bertrand Chaffee Hospital, Brooks-Tlc Hospital System, Inc, Kaleida Health, Mercy Hospital of Buffalo and Sisters of Charity Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew S. Brennan see patients?
- Medicare's clinician data lists 1 practice location in Orchard Park, NY. Call before your visit to confirm the address.
- What is Matthew S. Brennan's specialty?
- Medicare lists Urology as the primary specialty.
- Does Matthew S. Brennan accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew S. Brennan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Matthew S. Brennan offer telehealth?
- Medicare's clinician data says Matthew S. Brennan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Matthew S. Brennan?
- (716) 677-2273, as listed in official Medicare / NPI Registry data.
- What is Matthew S. Brennan's NPI number?
- 1831538057. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew S. Brennan works
Medicare's Facility Affiliation Data lists Matthew S. Brennan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bertrand Chaffee HospitalSpringville, NY · Acute Care Hospital · CCN 330111
- Brooks-Tlc Hospital System, IncDunkirk, NY · Acute Care Hospital · CCN 330229
- Kaleida HealthBuffalo, NY · Acute Care Hospital · CCN 330005
- Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · CCN 330279
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · CCN 330078
Practice locations
Addresses where Matthew S. Brennan is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 Sterling DrOrchard Park, NY 14127 (716) 677‑2273
Group practices
Medicare enrollment lists Matthew S. Brennan as a member of this group (CMS data updated 2026-10-02).
- Great Lakes Physician PC66 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Orchard Park
Clinicians with the same Medicare primary specialty in Orchard Park, NY — not a recommendation.
Clinician information
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831538057 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians