Johns Hopkins University

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

Legal business name

JOHNS HOPKINS UNIVERSITY

Practice address

401 N Broadway St Ste 2100
Baltimore, MD 21287-0019

Phone

(410) 955-5000

NPI assigned

Nov 12, 2025

Organization subpart

No

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

Addresses

Other names 1

• JHU - 401 N. BROADWAY STE 2100-PROVIDER TYPE: 20-PHYSICIAN Doing business as

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.

• Johns Hopkins University

  • Internal Medicine Physician
  • Columbia, MD
  • NPI 1306716352
  NPD tax ID
• Johns Hopkins University

  • Clinical Medical Laboratory
  • Baltimore, MD
  • NPI 1306810619
  NPD tax ID
• Johns Hopkins University

  • Internal Medicine Physician
  • Lutherville, MD
  • NPI 1316807209
  NPD tax ID
• Johns Hopkins University

  • Gastroenterology Physician
  • Columbia, MD
  • NPI 1316817372
  NPD tax ID
• Johns Hopkins University

  • Internal Medicine Physician
  • Fulton, MD
  • NPI 1316889835
  NPD tax ID
• Johns Hopkins University

  • Vision Therapy Optometrist
  • Columbia, MD
  • NPI 1316892334
  NPD tax ID
• Johns Hopkins University

  • Durable Medical Equipment & Medical Supplies
  • Odenton, MD
  • NPI 1326502329
  NPD tax ID
• Johns Hopkins University

  • Speech-Language Pathologist
  • Nottingham, MD
  • NPI 1326908252
  NPD tax ID
• Johns Hopkins University

  • Internal Medicine Physician
  • Rockville, MD
  • NPI 1326982562
  NPD tax ID
• Johns Hopkins University

  • Internal Medicine Physician
  • Bethesda, MD
  • NPI 1346100088
  NPD tax ID
• Johns Hopkins University

  • Endocrinology, Diabetes & Metabolism Physician
  • Baltimore, MD
  • NPI 1356088397
  NPD tax ID
• Johns Hopkins University

  • Surgical Oncology Physician
  • Baltimore, MD
  • NPI 1356201503
  NPD tax ID

Locations

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

{
    "created_epoch": "1762905600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762905600000",
    "number": "1346100583",
    "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": "401 N BROADWAY ST STE 2100",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870019",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHNS HOPKINS UNIVERSITY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-11-12",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "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": "207RX0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Medical Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "JHU - 401 N. BROADWAY STE 2100-PROVIDER TYPE: 20-PHYSICIAN",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University
• Johns Hopkins University

• All providers in Baltimore, MD
• Medical Oncology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 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.