Mrs. Katherine Marie Irwin, M. ED.,BCBA

Mrs. Katherine Marie Irwin is a Behavior Analyst provider (Behavior Analyst) practicing in Hammonton, NJ, registered in the NPPES registry with NPI 1215391321 since 2016.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1215391321
Entity type	Individual (Type 1)
Name	Mrs. Katherine Marie Irwin
Credential	M. ED.,BCBA
Sex	Female
Practice address	Hammonton, NJ, 08037
Phone	6098925500
Enumeration date	2016-04-06
Last updated in NPPES	2016-04-06

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

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103K00000X	Behavior Analyst	Primary	1-16-22102	NJ

Copy-ready billing details

Provider: Katherine Irwin, M. ED.,BCBA
NPI: 1215391321
Taxonomy: 103K00000X (Behavior Analyst)
Address: Hammonton, NJ, 08037

Verify this record

Cross-check NPI 1215391321 against the authoritative CMS record: view Mrs. Katherine Marie Irwin on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Katherine Irwin practice?

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

What is the NPI number for Katherine Irwin?

The National Provider Identifier (NPI) for Katherine Irwin is 1215391321, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-04-06.