Mary Kieun You, PSYD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

39669 Issued in TX

Practice address

2237 Ridge Rd Ste 101
Rockwall, TX 75087

Phone

(972) 771-3969

NPI assigned

Aug 20, 2019

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Dr. Mary Kieun Park Former name

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Robert F Mehl III PHD and Assoc LLCGroup PAC ID 7618950296, 6 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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

• Robert F Mehl III PHD & Assoc LLC

  • Multi-Specialty Clinic/Center
  • Rockwall, TX
  • NPI 1912999715
  Medicare reassignment Care Compare group NPD
• Western Youth Services

  • Adolescent and Children Mental Health Clinic/Center
  • Santa Ana, CA
  • NPI 1679605489
  NPD (past)

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

{
    "created_epoch": "1566259200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748476800000",
    "number": "1033766514",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4199 CAMPUS DR",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926124684",
            "telephone_number": "949-737-5460"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2237 RIDGE RD STE 101",
            "city": "ROCKWALL",
            "state": "TX",
            "postal_code": "75087",
            "telephone_number": "972-771-3969"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOU",
        "first_name": "MARY",
        "middle_name": "KIEUN",
        "name_prefix": "Dr.",
        "credential": "PSYD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-08-20",
        "last_updated": "2025-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "TX",
            "license": "39669",
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARY",
            "last_name": "PARK",
            "middle_name": "KIEUN",
            "prefix": "DR.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Ruochen Yang, L.AC., DIPL.OM
• Xiaokun Yang
• Yellow Forest LLC
• Catherine Yoakum
• Angela Hana Yoo
• Victoria Fallon Youman
• Cheryl Elaine Young, RNC, NNP
• Gregory Alan Young, M.D.
• Katherine Young, LMFT, LPC
• Kristyn Regan Young, HEARING SPECIALIST

• Psychologist in Rockwall, TX
• Providers in Rockwall, TX by specialty
• Psychologist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.