Mary-Ellen Diorio, M.D.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

MD00035655 Issued in WA

Practice address

2611 NE 125TH St
Suite 225
Seattle, WA 98125-4373

Phone

(206) 361-6884

Fax

(206) 361-1598

NPI assigned

Nov 21, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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

• A B C D Inc

  • Speech-Language Pathologist
  • Seattle, WA
  • NPI 1679648034
  NPD (past)

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

{
    "created_epoch": "1164067200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1649345042",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2611 NE 125TH ST",
            "address_2": "SUITE 225",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981254373",
            "telephone_number": "206-361-6884",
            "fax_number": "206-361-1598"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2611 NE 125TH ST",
            "address_2": "SUITE 225",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981254373",
            "telephone_number": "206-361-6884",
            "fax_number": "206-361-1598"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIORIO",
        "first_name": "MARY-ELLEN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-21",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WA",
            "license": "MD00035655",
            "primary": true
        },
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "WA",
            "license": "MD00035655",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA PIN",
            "identifier": "0007654053",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGENCE",
            "identifier": "DI5605",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNIFORM MEDICAL PROVIDER",
            "identifier": "91139348509",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Colton Luke Dion
• Mary L Dion, MD
• Nicholas Dion, MD
• Colin Phipps Diong, M.D.
• Alexis Nicole Dionisio
• Elizabeth Dios
• Mbagnick Diouf
• Robin Dipasquale, ND
• Larry K Dipboye, MD
• Rosemarie Dipentino

• Psychiatry Physician in Seattle, WA
• Providers in Seattle, WA by specialty
• Psychiatry Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.