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Johns Hopkins University

Internal Medicine Physician in Timonium, MD · enumerated 2026 · authorized official Nicholas Giarratano, Director, Provider Enrollment Unit.

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

National Provider Identifier

1528998093

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Registry record

Entity type Organization (Type 2)
Legal business name Johns Hopkins University
Practice address 110 W Timonium Rd Ste 100, Timonium, MD, 21093
Phone (410) 933-0000
Enumeration date May 19, 2026
Last updated in NPPES May 19, 2026

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Nicholas Giarratano
Title Director, Provider Enrollment Unit
Phone (410) 933-0000

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

Who is the authorized official for Johns Hopkins University?
NPPES lists Nicholas Giarratano (Director, Provider Enrollment Unit) as the authorized official for this organization.
What is the NPI number for Johns Hopkins University?
The NPI for Johns Hopkins University is 1528998093, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-19.