Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Katherine L Muller, PSYD

Psychologist in Center Valley, PA · enumerated 2006.

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

National Provider Identifier

1881764090

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Registry record

Entity type Individual (Type 1)

Name Dr. Katherine L Muller

Credential PSYD

Sex Female

Practice address 3477 Corporate Pkwy Ste 100, Center Valley, PA, 18034

Phone (855) 376-8553

Fax (610) 456-2222

Enumeration date Nov 8, 2006

Last updated in NPPES Jul 17, 2022

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 015782 (NY) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License PS015448 (PA) Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

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 Katherine Muller?

The National Provider Identifier (NPI) for Katherine Muller is 1881764090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Muller practice?

The practice location on file with NPPES is in Center Valley, 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 2022-07-17.