Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Paul Aron Horenstein, M.D.

Orthopaedic Foot and Ankle Surgery Physician in Broomall, PA · enumerated 2006.

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

National Provider Identifier

1841234481

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Registry record

Entity type Individual (Type 1)

Name Dr. Paul Aron Horenstein

Credential M.D.

Sex Male

Practice address 2004 Sproul Rd, Broomall, PA, 19008

Phone (610) 353-0800

Fax (610) 359-1686

Enumeration date Jun 15, 2006

Last updated in NPPES Mar 1, 2016

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MD051323L (PA) Secondary

207XX0004X Orthopaedic Foot and Ankle Surgery Physician Allopathic & Osteopathic Physicians · License MD0513231 (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

Is NPI 1841234481 active?

Yes, as of the latest NPPES snapshot, NPI 1841234481 is active (record last updated 2016-03-01).

How do I verify Paul Horenstein's NPI record?

Cross-check NPI 1841234481 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-01.