NPIMap

Organization Active NPI

Johns Hopkins University

Doing business as Jhu - Pediatrics/Addiction Medicine

  • Addiction Medicine (Preventive Medicine) Physician
  • Baltimore, MD
National Provider Identifier
1447852215
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Preventive Medicine) PhysicianTaxonomy code 2083A0300X
Legal business name
JOHNS HOPKINS UNIVERSITY
Doing business as
Jhu - Pediatrics/Addiction Medicine
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 955-2910
Fax
(410) 502-5440
NPI assigned
Nov 16, 2020
Last updated
Mar 18, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 18, 2026

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
Addiction Medicine (Preventive Medicine) Physician 2083A0300X NU Primary

Addresses

Primary practice location

600 N Wolfe St
Baltimore, MD 21287-0005

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-0000

Other identifiers 1

IdentifierTypeStateIssuer
666561600MedicaidMD

Other names 1

  • JHU - PEDIATRICS/ADDICTION MEDICINE Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20201215003122 MD Part B Supplier - Hospital Department(S) 4981745098 Receives reassigned benefits from 4 practitioners
Practice locations: Baltimore, MD

National Provider Directory

National Provider Directory
Tax ID family
Johns Hop Univ Inter Me439 organizations share this tax ID, including this one
Part of
Johns Hop Univ Inter Me

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

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1605484800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773792000000",
    "number": "1447852215",
    "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": "410-933-0000",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-2910",
            "fax_number": "410-502-5440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-11-16",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "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": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "666561600",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - PEDIATRICS/ADDICTION MEDICINE",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "JHU - PEDIATRICS/ADDICTION MEDICINE",
            "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 Mar 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.