NPIMap

Organization Active NPI

Johns Hopkins University

Doing business as Jhu - Pediatric/Hospitalist

  • Hospitalist Physician
  • Baltimore, MD
National Provider Identifier
1992360861
Registry record updated Jan 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
Legal business name
JOHNS HOPKINS UNIVERSITY
Doing business as
Jhu - Pediatric/Hospitalist
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 502-6627
Fax
(410) 955-0761
NPI assigned
May 7, 2019
Last updated
Jan 27, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
JOHNS HOPKINS UNIVERSITYAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 27, 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 Unit
Phone
(410) 933-0000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208M00000X Primary

Addresses

Primary practice location

600 N Wolfe St
Baltimore, MD 21287-0005

Mailing address

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

Other names 1

  • JHU - PEDIATRIC/HOSPITALIST Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20190717001078 MD Part B Supplier - Hospital Department(S) 4981745098 Receives reassigned benefits from 35 practitioners
Practice locations: Baltimore, MD

National Provider Directory

National Provider Directory
Part of
Johns Hopkins Univ

Practitioners & affiliated clinicians

Practitioners 35

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.

View all 35

NPI Registry JSON

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

{
    "created_epoch": "1557187200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769472000000",
    "number": "1992360861",
    "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": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-502-6627",
            "fax_number": "410-955-0761"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "JOHNS HOPKINS UNIVERSITY",
        "enumeration_date": "2019-05-07",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A",
        "authorized_official_last_name": "GIARRATANO",
        "authorized_official_first_name": "NICHOLAS",
        "authorized_official_title_or_position": "DIRECTOR PROVIDER ENROLLMENT UNIT",
        "authorized_official_telephone_number": "410-933-0000"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Hospitalist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - PEDIATRIC/HOSPITALIST",
            "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 Jan 27, 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.