Individual provider Active NPI

Michael Edward Cox, M.D.

  • Specialist
  • Baltimore, MD
National Provider Identifier
1922099241
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
D21561 Issued in MD
Practice address
301 Saint Paul PL
Suite 718
Baltimore, MD 21202-2102
Phone
(410) 332-9356
Fax
(410) 783-5884
NPI assigned
Nov 4, 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
Specialist 174400000X D21561 MD Primary

Addresses

Primary practice location

301 Saint Paul PL
Suite 718
Baltimore, MD 21202-2102

Mailing address

11778 Farside Rd
Ellicott City, MD 21042-1528
Phone (410) 997-0756

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)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D21561MDMDSpecialist

Practice roles

OrganizationSpecialtyStatusNew patients
DRS' Posner, Cox & Associates, P.a. Specialist Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1131062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1922099241",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11778 FARSIDE RD",
            "city": "ELLICOTT CITY",
            "state": "MD",
            "postal_code": "210421528",
            "telephone_number": "410-997-0756"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 SAINT PAUL PL",
            "address_2": "SUITE 718",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212022102",
            "telephone_number": "410-332-9356",
            "fax_number": "410-783-5884"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COX",
        "first_name": "MICHAEL",
        "middle_name": "EDWARD",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-04",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "MD",
            "license": "D21561",
            "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.