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

Dr. Marc Kenneth Klementowski, MD

Individual provider Emergency Medicine Physician · NPI 1134196728

Dr. Marc Kenneth Klementowski, MD is an Emergency Medicine Physician in Williamsville, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6653 Main St
Williamsville, NY 14221-5906
Phone: (716) 204-4500
Fax: (716) 204-4501
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 188748 (NY)

Record details

NPI number1134196728
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 2, 2006
Last updated in NPPESNovember 20, 2007

Other providers in Williamsville