JOHNS HOPKINS UNIVERSITY
NPI 1801748306
Internal Medicine in Baltimore, MD

Active since February 10, 2026
301 MASON LORD DR, BALTIMORE, MD 21224(410) 550-0100 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Johns Hopkins University NPPES

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

JOHNS HOPKINS UNIVERSITY (NPI 1801748306), doing business as Jhu - 301 Mason Lord Dr - Provider Type: 20 - Physician, is a healthcare organization registered as an internal medicine in Baltimore, Maryland and active in the NPI registry since February 2026. The organization lists Nicholas Giarratano, Director Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1801748306
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameJOHNS HOPKINS UNIVERSITY
Location Address301 MASON LORD DRBaltimore, MD 21224-3057
Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-6423
Organization SubpartNo
Authorized OfficialNicholas GiarratanoDirector Provider Enrollment · (410) 933-0000
Enumeration DateFebruary 10, 2026
NPPES CertifiedFebruary 10, 2026
NPI 1801748306 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.
301 MASON LORD DR, Baltimore, MD 21224

Other Names 1

Doing Business AsJhu - 301 Mason Lord Dr - Provider 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

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Cardiovascular Disease)
301 MASON LORD DR
BALTIMORE, MD 21224
General Acute Care Hospital
301 MASON LORD DR, SECOND FLOOR
BALTIMORE, MD 21224
Internal Medicine (Cardiovascular Disease)
301 MASON LORD DR, SUITE 240
BALTIMORE, MD 21224
Internal Medicine
301 MASON LORD DR
BALTIMORE, MD 21224
Internal Medicine (Geriatric Medicine)
301 MASON LORD DR
BALTIMORE, MD 21224
Hospitalist
301 MASON LORD DR
BALTIMORE, MD 21224
Nurse Practitioner (Family)
301 MASON LORD DR
BALTIMORE, MD 21224
Physician Assistant (Surgical)
301 MASON LORD DR
BALTIMORE, MD 21224

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 1801748306. It was assigned to this organization in the NPPES registry on February 10, 2026. The provider is doing business as Jhu - 301 Mason Lord Dr - Provider Type: 20 - Physician.

Where is Johns Hopkins University located?

Johns Hopkins University is located at 301 Mason Lord Dr, Baltimore, MD 21224. The listed phone number is (410) 550-0100.

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 February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.