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JOHNS HOPKINS UNIVERSITY
NPI 1730024993
Internal Medicine in Baltimore, MD

Active since April 22, 2026
333 CASSELL DR STE 2300, BALTIMORE, MD 21224(410) 558-9004 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Johns Hopkins University NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHNS HOPKINS UNIVERSITY (NPI 1730024993), doing business as Jhu -333 Cassell Dr Ste 2300 - Proovider Type: 20-physician -, is a healthcare organization registered as an internal medicine in Baltimore, Maryland and active in the NPI registry since April 2026. The organization lists Nicholas Giarratano, Director, Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1730024993
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJOHNS HOPKINS UNIVERSITY
Location Address333 CASSELL DR STE 2300Baltimore, MD 21224-6815
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-0000 · Fax (410) 500-4266
Phone(410) 558-9004
Organization SubpartNo
Authorized OfficialNicholas GiarratanoDirector, Provider Enrollment · (410) 933-0000
Enumeration DateApril 22, 2026
NPPES CertifiedApril 22, 2026
✔ NPI 1730024993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
333 CASSELL DR STE 2300, Baltimore, MD 21224
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Other Names 1

Doing Business AsJhu -333 Cassell Dr Ste 2300 - Proovider Type: 20-physician -

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Johns Hopkins University's NPI number?

The NPI number for Johns Hopkins University is 1730024993. It was assigned to this organization in the NPPES registry on April 22, 2026. The provider is doing business as Jhu -333 Cassell Dr Ste 2300 - Proovider Type: 20-Physician -.

Where is Johns Hopkins University located?

Johns Hopkins University is located at 333 Cassell Dr Ste 2300, Baltimore, MD 21224. The listed phone number is (410) 558-9004.

What is Johns Hopkins University's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Johns Hopkins University was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.