Individual provider Active NPI

John Michael Bielawski, ATC, MSM

  • Athletic Trainer
  • Baltimore, MD
National Provider Identifier
1780665380
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Athletic TrainerTaxonomy code 2255A2300X
Practice address
3333 N Calvert St
Suite 350
Baltimore, MD 21218-2867
Phone
(410) 554-2253
Fax
(410) 554-2160
NPI assigned
Nov 10, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Athletic Trainer 2255A2300X Primary

Addresses

Primary practice location

3333 N Calvert St
Suite 350
Baltimore, MD 21218-2867

Mailing address

7646 Bush Ave
Pasadena, MD 21122-3511
Phone (410) 437-8689

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

NPI Registry JSON

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

{
    "created_epoch": "1131580800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1780665380",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7646 BUSH AVE",
            "city": "PASADENA",
            "state": "MD",
            "postal_code": "211223511",
            "telephone_number": "410-437-8689",
            "fax_number": "410-437-8689"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3333 N CALVERT ST",
            "address_2": "SUITE 350",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212182867",
            "telephone_number": "410-554-2253",
            "fax_number": "410-554-2160"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIELAWSKI",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Mr.",
        "credential": "ATC, MSM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-10",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2255A2300X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Athletic Trainer",
            "state": null,
            "license": null,
            "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 Jul 13, 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.