Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael William Gillum, MA

Psychologist in Williamsport, PA · enumerated 2006 · practices at Linn Mental Health and Wellness LLC.

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

National Provider Identifier

1194789180

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael William Gillum

Credential MA

Sex Male

Practice address 705 Washington Blvd Ste 100, Williamsport, PA, 17701

Phone (570) 321-6390

Fax (570) 321-6393

Enumeration date Apr 14, 2006

Last updated in NPPES Jan 28, 2025

Taxonomy & licenses

103TC2200X Clinical Child & Adolescent Psychologist Behavioral Health & Social Service Providers · License PS007825L (PA) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License PS007825L (PA) Primary

103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers · License PS007825L (PA) Secondary

Other identifiers

Identifier	Type	State	Issuer
001553383	Medicaid	PA	-

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 is the NPI number for Michael Gillum?

The National Provider Identifier (NPI) for Michael Gillum is 1194789180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Gillum practice?

The practice location on file with NPPES is in Williamsport, PA. 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 2025-01-28.