NPIMap

Organization Active NPI

Johns Hopkins University

  • Rheumatology Physician
  • Timonium, MD
National Provider Identifier
1609736552
Registry record updated Nov 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
Legal business name
JOHNS HOPKINS UNIVERSITY
Practice address
2360 W Joppa Rd Ste 320
Timonium, MD 21093-4639
Phone
(410) 616-7596
NPI assigned
Nov 13, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 13, 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
Rheumatology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RR0500X Primary

Addresses

Primary practice location

2360 W Joppa Rd Ste 320
Timonium, MD 21093-4639

Mailing address

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

Other names 1

  • JHU - 2360 W JOPPA RD STE 320 - PROVIDER TYPE: 20-PHYSICIAN Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Johns Hopkins Univ Emer439 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": "1762992000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762992000000",
    "number": "1609736552",
    "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": "2360 W JOPPA RD STE 320",
            "city": "TIMONIUM",
            "state": "MD",
            "postal_code": "210934639",
            "telephone_number": "410-616-7596"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-13",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "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": "207RR0500X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Rheumatology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - 2360 W JOPPA RD STE 320 - PROVIDER TYPE: 20-PHYSICIAN",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Timonium, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 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.