Individual provider Active NPI

Ronald J Cohen, MD

  • Neurological Surgery Physician
  • Baltimore, MD
National Provider Identifier
1487649265
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
D16353 Issued in MD
Practice address
6565 N Charles St
Ste 408
Baltimore, MD 21204-6800
Phone
(410) 321-7360
Fax
(410) 321-7361
NPI assigned
Sep 16, 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
Neurological Surgery Physician 207T00000X D16353 MD Primary

Addresses

Primary practice location

6565 N Charles St
Ste 408
Baltimore, MD 21204-6800

Mailing address

3310 Fallstaff Rd
Baltimore, MD 21215-1723
Phone (410) 764-0906

Other identifiers 3

IdentifierTypeStateIssuer
780221800MedicaidMD
0C01RJOtherMDBCBS
R3550000OtherMDBLUE CROSS BLUE SHIELD FE

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
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D16353MDMDNeurological Surgery Physician

NPI Registry JSON

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

{
    "created_epoch": "1126828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1487649265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3310 FALLSTAFF RD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212151723",
            "telephone_number": "410-764-0906"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6565 N CHARLES ST",
            "address_2": "STE 408",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212046800",
            "telephone_number": "410-321-7360",
            "fax_number": "410-321-7361"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COHEN",
        "first_name": "RONALD",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "MD",
            "license": "D16353",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "780221800",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "0C01RJ",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD FE",
            "identifier": "R3550000",
            "state": "MD"
        }
    ],
    "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.