Individual provider Active NPI

Thomas Archie Maclean, MD

  • Urology Physician
  • Baltimore, MD
National Provider Identifier
1134180417
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
D15161 Issued in MD
Practice address
10 N Greene St
Baltimore, MD 21201-1524
Phone
(410) 605-7487
NPI assigned
Mar 28, 2006
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
Urology Physician 208800000X D15161 MD Primary

Addresses

Primary practice location

10 N Greene St
Baltimore, MD 21201-1524

Mailing address

50 Old Granary CT
Catonsville, MD 21228-5366

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
D15164MDMDObstetrics & Gynecology Physician
D15161MDMDUrology Physician

NPI Registry JSON

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

{
    "created_epoch": "1143504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1134180417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 OLD GRANARY CT",
            "city": "CATONSVILLE",
            "state": "MD",
            "postal_code": "212285366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 N GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011524",
            "telephone_number": "410-605-7487"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACLEAN",
        "first_name": "THOMAS",
        "middle_name": "ARCHIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MD",
            "license": "D15161",
            "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.