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

Karen L Kosar, NURSEPRACTITIONER

Individual provider Adult Health Nurse Practitioner · NPI 1992712392

Karen L Kosar, NURSEPRACTITIONER is an Adult Health Nurse Practitioner in Williamsville, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006

Practice location Address checks out

295 Essjay Rd
Williamsville, NY 14221-8216
Phone: (716) 630-1000
Fax: (716) 856-3002
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence F302104-1 (NY)

Record details

NPI number1992712392
Entity typeIndividual (Type 1)
GenderFemale
Credentials NURSEPRACTITIONER
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESDecember 20, 2021
Certification dateDecember 20, 2021

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