Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Joseph Renninger, PSY.D.

Psychologist in Lancaster, PA · enumerated 2019.

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

National Provider Identifier

1023667896

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Registry record

Entity type Individual (Type 1)

Name Dr. Joseph Renninger

Credential PSY.D.

Sex Male

Practice address 1755 Oregon Pike Ste 200, Lancaster, PA, 17601

Phone (717) 581-5255

Enumeration date Sep 5, 2019

Last updated in NPPES Mar 2, 2022

Taxonomy & licenses

103G00000X Clinical Neuropsychologist Behavioral Health & Social Service Providers · License 35SI00662200 (NJ) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers 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 specialty is Joseph Renninger?

Joseph Renninger 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 2022-03-02.