NPI Portal NPI Lookup & Verification

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

Mrs. Merridessa Katz, L.L.P.

Psychologist in Battle Creek, MI · enumerated 2006 · practices at Mobility Transport LLC.

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

National Provider Identifier

1326107962

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Registry record

Entity type Individual (Type 1)
Name Mrs. Merridessa Katz
Credential L.L.P.
Sex Female
Practice address Battle Creek, MI, 49015
Phone (269) 962-2722
Fax (269) 964-8484
Enumeration date Dec 8, 2006
Last updated in NPPES Feb 4, 2021

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

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 6301012438 (MI) 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 specialty is Merridessa Katz?
Merridessa Katz is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-04.