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KAREN L KOSAR NURSE PRACTITIONER
NPI 1992712392
Nurse Practitioner - Adult Health in Williamsville, NY

Active since August 01, 2006
87.14/100
CMS Quality Rating
295 ESSJAY RD, WILLIAMSVILLE, NY 14221(716) 630-1000(716) 856-3002 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 20, 2021, Jan 8, 2020 (2 updates tracked since 2020).

About Karen L Kosar Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN L KOSAR NURSE PRACTITIONER (NPI 1992712392) is an individual adult health provider in Williamsville, New York, licensed in New York (F302104-1) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1992712392
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameKAREN L KOSARCredential: NURSE PRACTITIONER
Location Address295 ESSJAY RDWilliamsville, NY 14221-8216
Mailing Address425 Essjay Rd Ste 170Williamsville, NY 14221-8235 · (716) 630-1219 · Fax (716) 817-1726
Phone(716) 630-1000
Fax(716) 856-3002
Sole ProprietorNo
Enumeration DateAugust 1, 2006
Last NPPES UpdateDecember 20, 20212 updates tracked since enumeration
NPPES CertifiedDecember 20, 2021
✔ NPI 1992712392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in NY · F302104-1
295 ESSJAY RD, Williamsville, NY 14221
Open in Google Maps ↗

Other Identifiers 7

Other500025701NY · Rr Medicare
Other161000580NY · Nova
Medicaid02258166NY
Other9512238NY · Iha
Other00026519901NY · Univera
Other000560692001NY · Health Now
Other161000580NY · Ghi

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.14/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.29
Promoting Interoperability100
Improvement Activities40
Cost74.86

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YIJUN CHENG M.D.
Internal Medicine (Hematology & Oncology)
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1048
DR. PHILIP A SWIANTEK MD
Urology
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1050
DR. ROBERT M ZIELINSKI MD
Internal Medicine (Hematology & Oncology)
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1059
MRS. TERRA GALVANO DNP
Nurse Practitioner
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1000
JEANINE FLEMING SCHNELL NP
Nurse Practitioner (Adult Health)
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1152
DR. MARY K MCGORRAY MD
Internal Medicine
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1159
MRS. JILL ELLEN HESS PA
Physician Assistant
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1050
RENEE A ANDREEFF PHYSICIAN ASSISTANT
Physician Assistant
295 ESSJAY RD
WILLIAMSVILLE, NY 14221
Erie County (716) 630-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Kosar's NPI number?

The NPI number for Karen Kosar is 1992712392. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Where is Karen Kosar located?

Karen Kosar practices at 295 Essjay Rd, Williamsville, NY 14221. The listed phone number is (716) 630-1000.

What is Karen Kosar's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for Karen Kosar was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.