Alexander Seung-Hwan Oh, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

U6309 Issued in TX

Practice address

6200 W Parker Rd
Plano, TX 75093-8185

Phone

(972) 981-8000

NPI assigned

Mar 29, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in OK, TX2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Diagnostic Radiology

Education

University of Texas Medical Branch at Galveston, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Utmb Faculty Group PracticeGroup PAC ID 3375456734, 1,083 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Texas Medical Branch Galveston Hospital, Galveston, TX, CCN 450018

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Utmb Faculty Group Practice

  • General Practice Physician
  • Galveston, TX
  • NPI 1942241146

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Comanche County Hospital Authority Southwest Radiology

  • Diagnostic Radiology Physician
  • Lawton, OK
  • NPI 1194996447

  Multi-Specialty

  Medicare reassignment NPD
• Jackson County Memorial Hospital Authority

  • General Acute Care Hospital
  • Altus, OK
  • NPI 1093763781

  Multi-Specialty

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• University of Texas Medical Branch at Galveston

  • General Acute Care Hospital
  • Galveston, TX
  • NPI 1548226988
  Care Compare affiliation

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

{
    "created_epoch": "1585440000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781049600000",
    "number": "1871121582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1820 PRESTON PARK BLVD STE 2400",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750933716",
            "telephone_number": "972-867-7862"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6200 W PARKER RD",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750938185",
            "telephone_number": "972-981-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OH",
        "first_name": "ALEXANDER",
        "middle_name": "SEUNG-HWAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-29",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "U6309",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Great Chiamaka Oguejiofor
• Justice Ogueri
• Fredrick Machi Ogugua, MD, MPH
• Olufemi Ogunyemi
• Chukwuemeka George Ogwudile
• Sohyun Oh, MD
• Sunjoo Oh, FNP
• Nitas Duru Oha, FNP-C
• Chetachi C Ohagi, OTR
• Krysten Ohlig, MS, LPC

• Diagnostic Radiology Physician in Plano, TX
• Providers in Plano, TX by specialty
• Diagnostic Radiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 2026; 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.