NPIMap

Organization Active NPI

Greater Baltimore Medical Center, Inc.

  • Clinical Medical Laboratory
  • Baltimore, MD
National Provider Identifier
1881542827
Registry record updated Jun 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
Legal business name
GREATER BALTIMORE MEDICAL CENTER, INC.
Practice address
6701 N Charles St
Baltimore, MD 21204-6808
Phone
(443) 849-2213
NPI assigned
Mar 17, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 8, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Peter Carl Ostasewski
Title
Cfo
Phone
(443) 849-2511

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

6701 N Charles St
Baltimore, MD 21204-6808

Mailing address

6545 N Charles St Ste 102
Baltimore, MD 21204-6836

Other names 1

  • Department of Pathology and Laboratory Medicine at GBMC Other name

National Provider Directory

National Provider Directory
Tax ID family
GB Head and Neck Assoc80 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 22

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 22

Locations

6701 N Charles St
Ste 3100
Baltimore, MD 21204
Phone (443) 849-2213

NPI Registry JSON

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

{
    "created_epoch": "1773705600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780876800000",
    "number": "1881542827",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6545 N CHARLES ST STE 102",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212046836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 N CHARLES ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212046808",
            "telephone_number": "443-849-2213"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREATER BALTIMORE MEDICAL CENTER, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-17",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A",
        "authorized_official_last_name": "OSTASEWSKI",
        "authorized_official_first_name": "PETER",
        "authorized_official_middle_name": "CARL",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "443-849-2511"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Department of Pathology and Laboratory Medicine at GBMC",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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 Jun 8, 2026; 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.