JOHNS HOPKINS UNIVERSITY – NPI #1598635401
Internal Medicine

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Health Care Provider Taxonomy Code for Internal Medicine

JOHNS HOPKINS UNIVERSITY is a provider located in BALTIMORE, MD. NPPES has assigned the NPI number 1598635401 to JOHNS HOPKINS UNIVERSITY on November 06, 2025. It is a Type-2 NPI, indicating this NPI number is associated with an organization. The primary taxonomy selected by this provider is 207RG0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Geriatric Medicine

The NPI profile was last updated on Feb 05, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for JOHNS HOPKINS UNIVERSITY below.

NPI Profile for
JOHNS HOPKINS UNIVERSITY

NPI Number
1598635401
Enumeration Date

(about 7 months ago)
Entity Type
Type-2  Organization
Organization health care providers may have a single employee or thousands of employees. An example is an incorporated individual who is an organization's only employee.
Legal Name
JOHNS HOPKINS UNIVERSITY
Primary location
5505 HOPKINS BAYVIEW CIR
BALTIMORE, MD 21224-6821
Phone: (410) 550-2300 Fax:
Mailing address
6201 GREENLEIGH AVE
MIDDLE RIVER, MD 21220-2004
Phone: (410) 955-5000 Fax: (410) 500-4266
Organization Subpart
No
Authorized Official
NICHOLAS GIARRATANO
DIRECTOR, PROVIDER ENROLLMENT
Phone: (410) 933-0000
Updated
Certification Date
Feb 05, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RG0300X
- Internal Medicine / Geriatric Medicine (Primary)

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.