NPIMap

Organization Active NPI

Johns Hopkins University

Doing business as Jhu - 401 N. Broadway Ste 2100-Provider Type: 20-Physician

  • Medical Oncology Physician
  • Baltimore, MD
National Provider Identifier
1346100583
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
Legal business name
JOHNS HOPKINS UNIVERSITY
Doing business as
Jhu - 401 N. Broadway Ste 2100-Provider Type: 20-Physician
Practice address
401 N Broadway St Ste 2100
Baltimore, MD 21287-0019
Phone
(410) 955-5000
NPI assigned
Nov 12, 2025
Last updated
Nov 12, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 12, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Nicholas Giarratano
Title
Director, Provider Enrollment
Phone
(410) 933-0000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RX0202X Primary

Addresses

Primary practice location

401 N Broadway St Ste 2100
Baltimore, MD 21287-0019

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 955-5000

Other names 1

  • JHU - 401 N. BROADWAY STE 2100-PROVIDER TYPE: 20-PHYSICIAN Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Johns Hopkins Univ440 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

Locations

401 N Broadway St
Ste 2100
Baltimore, MD 21287
Phone (410) 955-8893

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1762905600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762905600000",
    "number": "1346100583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-955-5000",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "401 N BROADWAY ST STE 2100",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870019",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-12",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A",
        "authorized_official_last_name": "GIARRATANO",
        "authorized_official_first_name": "NICHOLAS",
        "authorized_official_title_or_position": "DIRECTOR, PROVIDER ENROLLMENT",
        "authorized_official_telephone_number": "410-933-0000"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Medical Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - 401 N. BROADWAY STE 2100-PROVIDER TYPE: 20-PHYSICIAN",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Baltimore, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.