Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Lawrence I Katin MD PC

Q: What is the NPI number for Lawrence I Katin MD PC?

The NPI for Lawrence I Katin MD PC is 1891920591, a Type 2 (organization) record in the CMS NPPES registry.

Otolaryngology Physician in Paoli, PA · enumerated 2009 · authorized official Lawrence Katin, Owner.

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

National Provider Identifier

1891920591

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Registry record

Entity type Organization (Type 2)

Legal business name Lawrence I Katin MD PC

Practice address 255 W Lancaster Ave, Suite 224, Paoli, PA, 19301

Phone (610) 647-6070

Fax (610) 647-6851

Enumeration date May 26, 2009

Last updated in NPPES May 26, 2009

Taxonomy & classification

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Lawrence Katin

Title Owner

Phone (610) 647-6070

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

Who is the authorized official for Lawrence I Katin MD PC?

NPPES lists Lawrence Katin (Owner) as the authorized official for this organization.

What is the NPI number for Lawrence I Katin MD PC?

The NPI for Lawrence I Katin MD PC is 1891920591, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-05-26.