NPIMap

Organization Active NPI

Johns Hopkins University

Doing business as Jhu - Psychiatry/PHD's

  • Clinical Psychologist
  • Baltimore, MD
National Provider Identifier
1881678878
Registry record updated Oct 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
Legal business name
JOHNS HOPKINS UNIVERSITY
Doing business as
Jhu - Psychiatry/PHD's
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 955-5129
NPI assigned
Dec 2, 2005
Last updated
Oct 21, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
JOHNS HOPKINS UNIVERSITYAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Oct 21, 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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X MD
Clinical Psychologist 103TC0700X MD 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 practice location 1

5510 Nathan Shock Dr
Baltimore, MD 21224-6823
Phone (410) 550-0051

Other identifiers 2

IdentifierTypeStateIssuer
161121600MedicaidMD
CD6088OtherMDRRMC

Other names 1

  • JHU - PSYCHIATRY/PHD'S Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031215000719 MD Part B Supplier - Clinic/Group Practice 8921903147 Receives reassigned benefits from 4,764 practitioners
This NPI is an additional NPI on the enrollment

National Provider Directory

National Provider Directory
Tax ID family
Johns Hop Univ Inter Me440 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 29

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 29

NPI Registry JSON

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

{
    "created_epoch": "1133481600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792540800000",
    "number": "1881678878",
    "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": "410-955-5129"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5510 Nathan Shock Dr",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212246823",
            "country_code": "US",
            "telephone_number": "410-550-0051",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "JOHNS HOPKINS UNIVERSITY",
        "enumeration_date": "2005-12-02",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "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": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MD",
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MD",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "161121600",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RRMC",
            "identifier": "CD6088",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - PSYCHIATRY/PHD'S",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "JHU - PSYCHIATRY/PHD'S",
            "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 Oct 21, 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.