Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathleen Wallace, APN

Nurse Practitioner in Merrillville, IN · enumerated 2005.

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

National Provider Identifier

1225035504

Verified

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Registry record

Entity type Individual (Type 1)

Name Kathleen Wallace

Credential APN

Sex Female

Practice address 90 W 86th Ave, Merrillville, IN, 46410

Phone (219) 791-1555

Fax (219) 791-1560

Enumeration date Jul 1, 2005

Last updated in NPPES Dec 13, 2022

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 71000826A (IN) Primary

Other identifiers

Identifier	Type	State	Issuer
000000331131	Other	IN	ANTHEM BCBS NUMBER
100082060	Medicaid	IN	-
200280140B	Medicaid	IN	-
500012853	Other	IN	RR MEDICARE

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 Kathleen Wallace?

The National Provider Identifier (NPI) for Kathleen Wallace is 1225035504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathleen Wallace practice?

The practice location on file with NPPES is in Merrillville, IN. 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 2022-12-13.