Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isabelle Anne Mahalick, MS, RDN, LDN

Registered Dietitian in Wilkes Barre, PA · enumerated 2022.

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

National Provider Identifier

1851043780

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Registry record

Entity type Individual (Type 1)

Name Isabelle Anne Mahalick

Credential MS, RDN, LDN

Sex Female

Practice address 1111 E End Blvd, Wilkes Barre, PA, 18711

Phone (570) 824-3521

Enumeration date Jan 21, 2022

Last updated in NPPES Jan 21, 2022

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License DN007633 (PA) 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.

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Frequently asked questions

What is the NPI number for Isabelle Mahalick?

The National Provider Identifier (NPI) for Isabelle Mahalick is 1851043780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Isabelle Mahalick practice?

The practice location on file with NPPES is in Wilkes Barre, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-21.