JOHNS HOPKINS UNIVERSITY
NPI 1053271767
Clinical Medical Laboratory in Baltimore, MD

Active since November 14, 2025
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-9540 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Organization
  • Clinical Medical Laboratory

About JOHNS HOPKINS UNIVERSITY

This page provides the complete NPI Profile along with additional information for Johns Hopkins University, a provider established in Baltimore, Maryland operating as a Clinical Medical Laboratory. The healthcare provider is registered in the NPI registry with number 1053271767 assigned on November 2025. The practitioner's primary taxonomy code is 291U00000X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Nicholas Giarratano (Director, Provider Enrollment)

NPI
1053271767 Verify this NPI
Provider Name
JOHNS HOPKINS UNIVERSITY
Entity Type
Organization
Location Address
600 N WOLFE ST BALTIMORE, MD 21287
Location Phone
(410) 955-9540
Mailing Address
6201 GREENLEIGH AVE MIDDLE RIVER, MD 21220
Mailing Phone
(410) 933-0000
Mailing Fax
(410) 500-4266
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-14-2025
Last Update Date
11-14-2025
Code Navigator

Establishments like Johns Hopkins University are healthcare facilities that may perform a wide range of laboratory procedures, assisted by doctors and medical technologists. Laboratories can be categorized according to their function as common diagnostic labs or specialty labs that conduct specialized or confirmatory tests. Different clinical laboratories could specialize in clinical chemistry, clinical microbiology, hematology, serology, clinical microscopy, cytopathology, molecular biology, or public health. Please inquire directly with this provider to confirm their test menu.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinical Medical Laboratory

Taxonomy Code
291U00000X
Type
Laboratories
Taxonomy Description
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

NICHOLAS GIARRATANO

Authorized Official Title
DIRECTOR, PROVIDER ENROLLMENT
Authorized Official Phone
(410) 933-0000

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Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner
600 N WOLFE ST, WEINBERG BUILDING ROOM 1123
BALTIMORE, MD 21287
Nurse Anesthetist, Certified Registered
600 N WOLFE ST, BLALOCK 1415
BALTIMORE, MD 21287
Radiology (Diagnostic Radiology)
600 N WOLFE ST
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Obstetrics & Gynecology
600 N WOLFE ST
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST, WILMER 340
BALTIMORE, MD 21287
Anesthesiology (Critical Care Medicine)
600 N WOLFE ST, HALSTED 842-C
BALTIMORE, MD 21287
Internal Medicine (Infectious Disease)
600 N WOLFE ST, 1830 BLDG RM 450
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Radiology (Vascular & Interventional Radiology)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Nephrology)
600 N WOLFE ST
BALTIMORE, MD 21287
Anesthesiology
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Emergency Medicine
600 N WOLFE ST
BALTIMORE, MD 21287
Dietitian, Registered
600 N WOLFE ST, CMSC B100
BALTIMORE, MD 21287
Nurse Practitioner
600 N WOLFE ST
BALTIMORE, MD 21287

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053271767, enumerated as an "organization" on November 14, 2025.

The provider is located at 600 N WOLFE ST BALTIMORE, MD 21287 and the phone number is (410) 955-9540.

Clinical Medical Laboratory with taxonomy code 291U00000X.