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

Dr. Matthew J Cywinski, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1639136682

Dr. Matthew J Cywinski, MD is a Colorectal Surgery (Proctology) in Williamsville, New York. Graduated from State University of New York at Buffalo School of Medicine in 1991, 35 years ago. Practices with Buffalo Medical Group, PC, a 236-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

295 Essjay Rd
Williamsville, NY 14221-8216
Phone: (716) 834-4237
Fax: (716) 834-3639
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 206063-1 (NY)

Record details

NPI number1639136682
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESDecember 6, 2021
Certification dateDecember 6, 2021

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Buffalo Medical Group, P.C. — 236 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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