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Mercy Catholic Medical Center

Internal Medicine Physician in Darby, PA · enumerated 2011 · authorized official Arnold Eiser, Vp Medical Education.

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

National Provider Identifier

1154620276

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Registry record

Entity type Organization (Type 2)
Legal business name Mercy Catholic Medical Center
Practice address 1500 Lansdowne Ave, Darby, PA, 19023
Phone (610) 237-4361
Enumeration date Mar 16, 2011
Last updated in NPPES Mar 16, 2011

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MT196729 (PA) Primary

Authorized official

Name Arnold Eiser
Title Vp Medical Education
Phone (610) 237-4361

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 Mercy Catholic Medical Center?
The NPI for Mercy Catholic Medical Center is 1154620276, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Mercy Catholic Medical Center?
NPPES lists Arnold Eiser (Vp Medical Education) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-16.