JOHNS HOPKINS UNIVERSITY
NPI 1093674442
Pathology - Clinical Pathology/Laboratory Medicine in Baltimore, MD

Active since January 21, 2026
4940 EASTERN AVE, BALTIMORE, MD 21224(410) 550-0100 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Johns Hopkins University NPPES

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

JOHNS HOPKINS UNIVERSITY (NPI 1093674442), doing business as Jhu - 4940 Eastern Ave- Provider Type: 10 -lab, is a healthcare organization registered as a clinical pathology/laboratory medicine in Baltimore, Maryland and active in the NPI registry since January 2026. The organization lists Nicholas Giarratano, Director, Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1093674442
Entity TypeOrganization
Primary Taxonomy207ZP0105X
Legal Business NameJOHNS HOPKINS UNIVERSITY
Location Address4940 EASTERN AVEBaltimore, MD 21224-2735
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-0000 · Fax (410) 500-4266
Organization SubpartNo
Authorized OfficialNicholas GiarratanoDirector, Provider Enrollment · (410) 933-0000
Enumeration DateJanuary 21, 2026
NPPES CertifiedJanuary 21, 2026
NPI 1093674442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
4940 EASTERN AVE, Baltimore, MD 21224

Other Names 1

Doing Business AsJhu - 4940 Eastern Ave- Provider Type: 10 -lab

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 20

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

Internal Medicine
4940 EASTERN AVE, MFL BLDG, WEST TOWER, 6TH FLOOR
BALTIMORE, MD 21224
Otolaryngology
4940 EASTERN AVE
BALTIMORE, MD 21224
Physician Assistant
4940 EASTERN AVE
BALTIMORE, MD 21224
Pathology (Anatomic Pathology & Clinical Pathology)
4940 EASTERN AVE
BALTIMORE, MD 21224
Student in an Organized Health Care Education/Training Program
4940 EASTERN AVE
BALTIMORE, MD 21224
Obstetrics & Gynecology
4940 EASTERN AVE
BALTIMORE, MD 21224
Registered Nurse (Neonatal Intensive Care)
4940 EASTERN AVE
BALTIMORE, MD 21224
Surgery
4940 EASTERN AVE
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 1093674442. It was assigned to this organization in the NPPES registry on January 21, 2026. The provider is doing business as Jhu - 4940 Eastern Ave- Provider Type: 10 -Lab.

Where is Johns Hopkins University located?

Johns Hopkins University is located at 4940 Eastern Ave, 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 Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

When was this NPI record last updated?

The NPPES record for Johns Hopkins University was last updated on January 21, 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.