Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Trustees of the University of Pennsylvania

Endocrinology, Diabetes & Metabolism Physician in Radnor, PA · enumerated 2006 · authorized official Elizabeth Johnston, Executive Director.

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

National Provider Identifier

1750494332

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Registry record

Entity type Organization (Type 2)

Legal business name Trustees of the University of Pennsylvania

Practice address 250 King of Prussia Rd, Radnor, PA, 19087

Phone (610) 902-2000

Enumeration date Aug 16, 2006

Last updated in NPPES Jun 3, 2008

Taxonomy & classification

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians Primary

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Elizabeth Johnston

Title Executive Director

Phone (215) 662-7583

Other identifiers

Identifier	Type	State	Issuer
1001258770	Medicaid	PA	-
20753	Other	PA	HEALTHPARTNERS
0143087000	Other	PA	KEYSTONE
2Y21509	Other	PA	HEALTHNET
674378	Other	PA	BLUE SHIELD
CN3127	Other	PA	RR MEDICARE
3269085	Other	PA	AETNA
30007842	Other	PA	MERCY

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

Where is Trustees of the University of Pennsylvania located?

The practice location on file with NPPES is in Radnor, PA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-06-03. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Mark Sostek Gastroenterology Physician · Radnor, PA NPI 1902881329 Thomas Slattery Diagnostic Radiology Physician · Radnor, PA NPI 1235115601 Jason Jones Medical Physician Assistant · Radnor, PA NPI 1629037106 Christine Gearhart Family Nurse Practitioner · Radnor, PA NPI 1174572622 Thorne Sparkman Internal Medicine Physician · Radnor, PA NPI 1972559144 Joanne Linevsky Gastroenterology Physician · Radnor, PA NPI 1467408633 Rudolf Roth Dermatology Physician · Radnor, PA NPI 1386683886 Ann Steiner Obstetrics & Gynecology Physician · Radnor, PA NPI 1992744403

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-03.