1. Home
  2. Directory
  3. Maryland
  4. Bethesda
  5. Internal Medicine
  6. NPI Profile

JOHNS HOPKINS UNIVERSITY
NPI 1750241584
Internal Medicine - Medical Oncology in Bethesda, MD

Active since November 14, 2025
6420 ROCKLEDGE DR STE 4100, BETHESDA, MD 20817(301) 896-9856 Get Directions Write a Review

NPPES record last updated: November 14, 2025. 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 1750241584), doing business as Jhu - 6420 Rockledge Dr Ste 4100 - Provider Type: 20-physician, is a healthcare organization registered as a medical oncology in Bethesda, Maryland and active in the NPI registry since November 2025. The organization lists Nicholas Giarratano, Director, Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1750241584
Entity TypeOrganization
Primary Taxonomy207RX0202X
Legal Business NameJOHNS HOPKINS UNIVERSITY
Location Address6420 ROCKLEDGE DR STE 4100Bethesda, MD 20817-7847
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 955-5000 · Fax (410) 500-4266
Phone(301) 896-9856
Organization SubpartNo
Authorized OfficialNicholas GiarratanoDirector, Provider Enrollment · (410) 933-0000
Enumeration DateNovember 14, 2025
NPPES CertifiedNovember 14, 2025
✔ NPI 1750241584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
6420 ROCKLEDGE DR STE 4100, Bethesda, MD 20817
Open in Google Maps ↗

Other Names 1

Doing Business AsJhu - 6420 Rockledge Dr Ste 4100 - 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 5

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

JOHNS HOPKINS COMMUNITY PHYSICIANS, INC
Internal Medicine
6420 ROCKLEDGE DR STE 4100
BETHESDA, MD 20817
Montgomery County (301) 897-5656
DR. ALEXANDRA B. ROGINSKY TSESIS MD
Surgery
6420 ROCKLEDGE DR STE 4100
BETHESDA, MD 20817
Montgomery County (240) 762-5130
AMY MARIE HILLSMAN CRNP
Nurse Practitioner (Adult Health)
6420 ROCKLEDGE DR STE 4100
BETHESDA, MD 20817
Montgomery County (301) 571-0019
MRS. SAVANNAH ADRIAN CRNP
Nurse Practitioner (Family)
6420 ROCKLEDGE DR STE 4100
BETHESDA, MD 20817
Montgomery County (240) 762-5130
LISBI DEL VALLE RIVAS RAMIREZ M.D.
Surgery (Surgical Critical Care)
6420 ROCKLEDGE DR STE 4100
BETHESDA, MD 20817
Montgomery County (240) 762-5130

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 1750241584. It was assigned to this organization in the NPPES registry on November 14, 2025. The provider is doing business as Jhu - 6420 Rockledge Dr Ste 4100 - Provider Type: 20-Physician.

Where is Johns Hopkins University located?

Johns Hopkins University is located at 6420 Rockledge Dr Ste 4100, Bethesda, MD 20817. The listed phone number is (301) 896-9856.

What is Johns Hopkins University's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Johns Hopkins University was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.