Individual provider Active NPI

Matthew B Ahn, LGPC

  • Counselor
  • Bel Air, MD
National Provider Identifier
1477423168
Registry record updated Nov 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
CounselorTaxonomy code 101Y00000X
License
LGP17217 Issued in MD
Practice address
1208 E Churchville Rd Ste 300
Bel Air, MD 21014-3485
Phone
(410) 838-9500
NPI assigned
Nov 7, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 7, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Counselor 101Y00000X LGP17217 MD Primary

Addresses

Primary practice location

1208 E Churchville Rd Ste 300
Bel Air, MD 21014-3485

Mailing address

1020 Park Ave
Baltimore, MD 21201-5640

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
LGP17217MDMDCounselor

NPI Registry JSON

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

{
    "created_epoch": "1762473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1477423168",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1020 PARK AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212015640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1208 E CHURCHVILLE RD STE 300",
            "city": "BEL AIR",
            "state": "MD",
            "postal_code": "210143485",
            "telephone_number": "410-838-9500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AHN",
        "first_name": "MATTHEW",
        "middle_name": "B",
        "credential": "LGPC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-11-07",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "MD",
            "license": "LGP17217",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bel Air, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 2025; 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.