Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mark Jospeh Siedlecki, PT, DPT

Individual provider Physical Therapist · NPI 1124689542

Dr. Mark Jospeh Siedlecki, PT, DPT is a Physical Therapist in Private Practice in Williamsville, New York. Qualified in 2018, 8 years ago. Practices with Body Mechanix Physical Therapy PLLC, a 6-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
8
Licensed in
NY
In the registry since
2019
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

111 N Maplemere Rd Ste 100
Williamsville, NY 14221-3182
Phone: (716) 204-3200
Fax: (716) 204-4337
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 043405 (NY)

Record details

NPI number1124689542
Entity typeIndividual (Type 1)
GenderMale
Credentials PT , DPT
Sole proprietorNo
NPI enumeratedJune 26, 2019
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Body Mechanix Physical Therapy Pllc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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