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

Mark William Lesniewski

Individual provider Mental Health Counselor · NPI 1790212975

Mark William Lesniewski is a Mental Health Counselor in Erie, Pennsylvania. Works from 2 locations. Registered with an NPI since 2017.

In the registry since
2017

Practice location Address checks out

3800 W 12th St Ste 7
Erie, PA 16505-3380
Phone: (814) 482-2209
Show map & directions

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

Additional practice locations (1)

  • 3350 Main St, Buffalo, NY 14214-1316 — (716) 819-3420

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1790212975
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 18, 2017
Last updated in NPPESMay 25, 2023
Certification dateMay 25, 2023

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