Quick answers
- Where does Mark J. Siedlecki see patients?
- Medicare's clinician data lists 2 practice locations, including Buffalo, NY and Lockport, NY. Call before your visit to confirm the address.
- What is Mark J. Siedlecki's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Mark J. Siedlecki accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Siedlecki 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.
- What is the phone number for Mark J. Siedlecki?
- (716) 829-2070, as listed in official Medicare / NPI Registry data.
- What is Mark J. Siedlecki's NPI number?
- 1124689542. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark J. Siedlecki is enrolled with Medicare (CMS data updated 2026-10-02).
- 160 Farber HallBuffalo, NY 14214 (716) 829‑2070
- 5848 Snyder DrLockport, NY 14094 (716) 433‑0070
Group practices
Medicare enrollment lists Mark J. Siedlecki as a member of these groups (CMS data updated 2026-10-02).
- University Orthopaedic Services Inc.115 clinicians in the group
- Body Mechanix Physical Therapy PLLC6 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, New York →
Other physical therapists in Buffalo
Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124689542 |
| 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
- 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