NPI Portal NPI Lookup & Verification

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

Margaret M Hack

Registered Nurse in Penfield, NY · enumerated 2012.

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

National Provider Identifier

1457613648

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Margaret M Hack
Sex Female
Practice address Penfield, NY, 14526
Phone (585) 249-6721
Fax (585) 249-6810
Enumeration date Jun 13, 2012
Last updated in NPPES Jun 13, 2012

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

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 325606 (NY) Primary

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 Margaret Hack?
The National Provider Identifier (NPI) for Margaret Hack is 1457613648, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Hack practice?
The practice location on file with NPPES is in Penfield, 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 2012-06-13.