Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Weiss Langowski, AGPCNP-BC

Nurse Practitioner in Ridgewood, NJ · enumerated 2014.

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

National Provider Identifier

1154738540

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Registry record

Entity type Individual (Type 1)

Name Allison Weiss Langowski

Credential AGPCNP-BC

Sex Female

Practice address 223 N Van Dien Ave, Ridgewood, NJ, 07450

Phone (201) 447-8000

Enumeration date Jul 17, 2014

Last updated in NPPES Oct 13, 2019

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 306967 (NY) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ00964400 (NJ) 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 Allison Langowski?

The National Provider Identifier (NPI) for Allison Langowski is 1154738540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Langowski practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-13.