Won Kyoo Cho, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

0101267805 Issued in VA

Practice address

44055 Riverside Pkwy Ste 226
Leesburg, VA 20176-5177

Phone

(703) 858-6202

Fax

(703) 858-8160

NPI assigned

Apr 14, 2006

Sex

Male

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 1

Medicare fee-for-service enrollment

Enrolled in DC, VA2 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

GastroenterologyAlso: Internal Medicine

Education

Other, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043
• Inova Fair Oaks Hospital Hospital, Fairfax, VA, CCN 490101
• Inova Alexandria Hospital Hospital, Alexandria, VA, CCN 490040

Merit-based Incentive Payment System (MIPS)

Final score

83.36 of 100Reported as group

Quality

73.03

Promoting interoperability

100

Improvement activities

40

Cost

71.49

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wcho989817@soc.inova.org

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.

• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC

  Medicare reassignment Care Compare group NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment NPD
• WHC Physician Group LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1700154226
  Medicare reassignment NPD
• Inova Health Care Services

  dba Inova Fairfax Hospital Schar Physicians

  • Medical Oncology Physician
  • Fairfax, VA
  • NPI 1275097123

  DC

  Medicare reassignment
• Inova Health Care Services

  dba Inova Juniper Program

  • Multi-Specialty Clinic/Center
  • Fairfax, VA
  • NPI 1669511051
  NPD
• WHC Emerg Phys

  • Emergency Medical Services (Emergency Medicine) Physician
  • Washington, DC
  • NPI 1306260625
  NPD
• WHC Physician Group LLC

  • Psychiatry Physician
  • Washington, DC
  • NPI 1477996858
  NPD
• Inova Health Care Services

  dba Inova Physical Therapy Center

  • Physical Therapist
  • Springfield, VA
  • NPI 1043563257
  NPD (past)

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

• Inova Health Care Services

  dba Inova Alexandria Hospital

  • General Acute Care Hospital
  • Alexandria, VA
  • NPI 1255684460
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Loudoun Hospital

  • Psychiatric Hospital Unit
  • Leesburg, VA
  • NPI 1285786228
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Loudoun Hospital

  • General Acute Care Hospital
  • Leesburg, VA
  • NPI 1376564302
  Care Compare affiliation
• Inova Health Care Services

  dba Inova Fair Oaks Hospital

  • General Acute Care Hospital
  • Fairfax, VA
  • NPI 1760513980
  Care Compare affiliation

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

{
    "created_epoch": "1144972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1629032784",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 37174",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212973174",
            "telephone_number": "571-423-5699",
            "fax_number": "571-423-5698"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44055 RIVERSIDE PKWY STE 226",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201765177",
            "telephone_number": "703-858-6202",
            "fax_number": "703-858-8160"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8081 Innovation Park Dr",
            "address_purpose": "LOCATION",
            "city": "Fairfax",
            "state": "VA",
            "postal_code": "220314867",
            "country_code": "US",
            "telephone_number": "571-472-4724",
            "fax_number": "571-472-0241",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHO",
        "first_name": "WON",
        "middle_name": "KYOO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-14",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101267805",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "VA",
            "license": "0101267805",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200162410",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Children & Adolescent Pediatric Services PLLC
• Sangeeta Reddy Chitlu, MD
• Alice Chiu, DMD
• Paul Chmielewski, O.D.
• Tetyana Chmyrova, AGNP-C
• Hye Mi Choi
• Hyun Sung Choi
• Joseph Min Choi, MD
• Simon Oanhuk Choi, FNP
• Oliver Choo, MD

• Gastroenterology Physician in Leesburg, VA
• Providers in Leesburg, VA by specialty
• Gastroenterology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.