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

Karen F Giardino, MD (ENDOCRINOLOGIST)

Endocrinology, Diabetes & Metabolism Physician in Williamsville, NY · enumerated 2007.

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

National Provider Identifier

1023175361

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Registry record

Entity type Individual (Type 1)

Name Karen F Giardino

Credential MD (ENDOCRINOLOGIST)

Sex Female

Practice address Williamsville, NY, 14221

Phone (716) 636-8357

Fax (716) 636-1369

Enumeration date Jan 3, 2007

Last updated in NPPES Sep 21, 2011

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

Taxonomy & licenses

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License 1646851 (NY) Secondary

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License 164685-1 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
00010063102	Other	-	UNIVERA
00527094001	Other	-	BC BS
2208588	Other	-	INDEPENDENT HEALTH
00010063102	Other	-	UNICARE
1023175361	Other	NY	INDIVIDUAL NPI
0005270941	Other	-	BC/BS
01210599	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.

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Frequently asked questions

Is NPI 1023175361 active?

Yes, as of the latest NPPES snapshot, NPI 1023175361 is active (record last updated 2011-09-21).

How do I verify Karen Giardino's NPI record?

Cross-check NPI 1023175361 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Margaret Gugliuzza Adult Health Nurse Practitioner · Williamsville, NY NPI 1982924254 Susanne Wilk-Schank Adult Health Clinical Nurse Specialist · Williamsville, NY NPI 1558681825 Emily Hillman Medical Physician Assistant · Williamsville, NY NPI 1073008355 Alexis Sweeney Acute Care Nurse Practitioner · Williamsville, NY NPI 1518685676

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-21.