Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Timothy Lawrence Switaj, MD, MBA, MHA

Family Medicine Physician in Chambersburg, PA · enumerated 2005.

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

National Provider Identifier

1831189166

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Registry record

Entity type Individual (Type 1)

Name Dr. Timothy Lawrence Switaj

Credential MD, MBA, MHA

Sex Male

Practice address 22 St Paul Dr, Chambersburg, PA, 17201

Phone (717) 264-6511

Enumeration date Oct 27, 2005

Last updated in NPPES Jun 10, 2025

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License FS2548800 (PA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License R5330 (TX) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 0101235108 (VA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD480145 (PA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

How do I verify Timothy Switaj's NPI record?

Cross-check NPI 1831189166 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1831189166 active?

Yes, as of the latest NPPES snapshot, NPI 1831189166 is active (record last updated 2025-06-10).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-10.