Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Jefferson Assoc in Internal Med

Q: What is the NPI number for Jefferson Assoc in Internal Med?

The NPI for Jefferson Assoc in Internal Med is 1003802414, a Type 2 (organization) record in the CMS NPPES registry.

Internal Medicine Physician in Clairton, PA · enumerated 2005 · authorized official Michael Mallinger, MD Owner of Corp.

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

National Provider Identifier

1003802414

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Registry record

Entity type Organization (Type 2)

Legal business name Jefferson Assoc in Internal Med

Practice address 575 Coal Valley Rd, Suite 405, Clairton, PA, 15025

Phone (412) 466-6161

Fax (412) 466-0614

Enumeration date Sep 21, 2005

Last updated in NPPES Jul 12, 2007

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD016592E (PA) Primary

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License MD016592E (PA) Secondary

Authorized official

Name Michael Mallinger

Title MD Owner of Corp

Phone (412) 466-6161

Other identifiers

Identifier	Type	State	Issuer
0675793	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 Jefferson Assoc in Internal Med?

The NPI for Jefferson Assoc in Internal Med is 1003802414, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Jefferson Assoc in Internal Med?

NPPES lists Michael Mallinger (MD Owner of Corp) as the authorized official for this organization.

Providers at this address

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Sherryl Pavlick Psychiatric/Mental Health Nurse Practitioner · Clairton, PA NPI 1871596072 Maureen Linkosky Physician Assistant · Clairton, PA NPI 1174523104 Daniel Pituch Oral and Maxillofacial Surgery (Dentist) · Jefferson Hills, PA NPI 1780685958 Frank Stanish Ophthalmology Physician · Jefferson Hills, PA NPI 1134120264 Howard Tanning Ophthalmology Physician · Jefferson Hills, PA NPI 1831191964 Jefferson Medical Optical Eyewear Supplier · Jefferson Hills, PA NPI 1851383996 Krishnan Gopal Colon & Rectal Surgery Physician · Clairton, PA NPI 1780676643 H M Tanning MD & Associates Ophthalmology Physician · Jefferson Hills, PA NPI 1215929849

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-12.