Individual provider Active NPI

Gregory J. Callahan, BOCO

  • Other Technician
  • Baltimore, MD
National Provider Identifier
1497944946
Registry record updated Oct 22, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Other TechnicianTaxonomy code 247200000X
License
C21679 Issued in MD
Practice address
3900 Loch Raven Blvd
Baltimore, MD 21218-2108
Phone
(410) 605-7000
Fax
(410) 605-7677
NPI assigned
Oct 22, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Other Technician 247200000X C21679 MD Primary

Addresses

Primary practice location

3900 Loch Raven Blvd
Baltimore, MD 21218-2108

Mailing address

3900 Loch Raven Blvd
Baltimore, MD 21218-2108
Phone (410) 605-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
C21679MDMDOther Technician

NPI Registry JSON

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

{
    "created_epoch": "1193011200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1193011200000",
    "number": "1497944946",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3900 LOCH RAVEN BLVD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182108",
            "telephone_number": "410-605-7000",
            "fax_number": "410-605-7677"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3900 LOCH RAVEN BLVD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182108",
            "telephone_number": "410-605-7000",
            "fax_number": "410-605-7677"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "GREGORY",
        "middle_name": "J.",
        "name_prefix": "Mr.",
        "credential": "BOCO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-10-22",
        "last_updated": "2007-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "247200000X",
            "taxonomy_group": "",
            "desc": "Technician, Other",
            "state": "MD",
            "license": "C21679",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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 22, 2007; 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.