NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Sherry Ann Verostko-Slazak

Adult Health Nurse Practitioner in Williamsville, NY · enumerated 2006 · practices at Sherry Ann Verostko-Slazak, Nurse Practitioner in Adult Health Pllc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326095522

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Sherry Ann Verostko-Slazak
Sex Female
Practice address Williamsville, NY, 14221
Fax (716) 803-8568
Enumeration date May 31, 2006
Last updated in NPPES Jul 30, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 302553 (NY) Secondary
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F3025531 (NY) Primary

Other identifiers

Identifier Type State Issuer
01326095522 Other NY UNIVERA
000560465004 Other NY BC/BS
02775560 Medicaid NY -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Sherry Ann Verostko-Slazak?
The National Provider Identifier (NPI) for Sherry Ann Verostko-Slazak is 1326095522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sherry Ann Verostko-Slazak practice?
The practice location on file with NPPES is in Williamsville, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-30.