NPIMap

Organization Active NPI

Johns Hopkins University

Doing business as Jhu - 9901 Medical Center Dr - Provider Type: 20

  • Internal Medicine Physician
  • Rockville, MD
National Provider Identifier
1093678518
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
JOHNS HOPKINS UNIVERSITY
Doing business as
Jhu - 9901 Medical Center Dr - Provider Type: 20
Practice address
9901 Medical Center Dr
Rockville, MD 20850-3357
Phone
(240) 826-6000
NPI assigned
Dec 3, 2025
Last updated
Dec 3, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 3, 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
Internal Medicine Physician 207R00000X Primary

Addresses

Primary practice location

9901 Medical Center Dr
Rockville, MD 20850-3357

Mailing address

6201 Greenleigh Ave
Baltimore, MD 21220-2004
Phone (410) 933-6423

Other names 1

  • JHU - 9901 MEDICAL CENTER DR - PROVIDER TYPE: 20 Doing business as

National Provider Directory

National Provider Directory
Tax ID family
John 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

NPI Registry JSON

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

{
    "created_epoch": "1764720000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764720000000",
    "number": "1093678518",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9901 MEDICAL CENTER DR",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503357",
            "telephone_number": "240-826-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-03",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "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": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - 9901 MEDICAL CENTER DR - PROVIDER TYPE: 20",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Rockville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 3, 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.