Individual provider Active NPI

Artin A. Mahdanian, MD, FRCPC, FAPA

  • Psychiatry Physician
  • Washington, DC
National Provider Identifier
1740866979
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
MD2000047 Issued in DC
Practice address
1301 Rhode Island Ave NW
Washington, DC 20005-3700
Phone
(202) 599-0027
Fax
(202) 892-1644
NPI assigned
Mar 18, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X MD2000047 DC Primary
Psychiatry Physician 2084P0800X 0101284560 VA
Psychiatry Physician 2084P0800X D0091732 MD

Addresses

Primary practice location

1301 Rhode Island Ave NW
Washington, DC 20005-3700

Mailing address

1301 Rhode Island Ave NW
Washington, DC 20005-3700
Phone (202) 599-0027

Other names 1

  • Dr. Artin Abolfazl Mahdanian Former name

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
MD2000047DCMDPsychiatry Physician
D0091732MDMDPsychiatry Physician
0101284560VAMDPsychiatry Physician

Interoperability endpoints

  • Direct secure messaging: amahdanian795269@direct.hopkinsmedicine.org

NPI Registry JSON

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

{
    "created_epoch": "1616025600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1740866979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1301 RHODE ISLAND AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200053700",
            "telephone_number": "202-599-0027",
            "fax_number": "202-892-1644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1301 RHODE ISLAND AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200053700",
            "telephone_number": "202-599-0027",
            "fax_number": "202-892-1644"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAHDANIAN",
        "first_name": "ARTIN",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "MD, FRCPC, FAPA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-18",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "DC",
            "license": "MD2000047",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "VA",
            "license": "0101284560",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MD",
            "license": "D0091732",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ARTIN",
            "last_name": "MAHDANIAN",
            "middle_name": "ABOLFAZL",
            "prefix": "DR.",
            "credential": "MD, FRCPC, FAPA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.