Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Trustees of the University of Pennsylvania

Q: What is the NPI number for Trustees of the University of Pennsylvania?

The NPI for Trustees of the University of Pennsylvania is 1558475483, a Type 2 (organization) record in the CMS NPPES registry.

Hematology & Oncology 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

1558475483

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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

Fax (610) 902-2040

Enumeration date Aug 18, 2006

Last updated in NPPES May 23, 2008

Taxonomy & classification

207RH0000X Hematology (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians Primary

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Elizabeth Johnston

Title Executive Director

Phone (215) 662-7583

Other identifiers

Identifier	Type	State	Issuer
0143081000	Other	PA	KEYSTONE
273359	Other	PA	MAMSI
1001258770	Medicaid	PA	-
17946	Other	PA	HEALTHPARTNERS
CN3127	Other	PA	RR MEDICARE
0002Y21509	Other	PA	HEALTHNET
300654	Other	PA	EEIOC
7451300	Other	NJ	NJ-MEDICAID
096179	Other	PA	BLUE SHIELD
1038467	Other	PA	MERCY
116472401	Other	PA	ACS
706232	Other	PA	AETNA

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 Trustees of the University of Pennsylvania?

NPPES lists Elizabeth Johnston (Executive Director) as the authorized official for this organization.

What is the NPI number for Trustees of the University of Pennsylvania?

The NPI for Trustees of the University of Pennsylvania is 1558475483, a Type 2 (organization) record in the CMS NPPES registry.

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 2008-05-23.