William Young Park, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

D0103627 Issued in MD

Practice address

1133 21St St NW Building 2
5TH Floor
Washington, DC 20036-3390

Phone

(202) 416-2000

NPI assigned

Mar 16, 2019

Last updated

Aug 7, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

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 1

Specialty

Gastroenterology

Education

Drexel University College of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medstar Montgomery Medical Center Hospital, Olney, MD, CCN 210018
• Medstar Georgetown University Hospital Hospital, Washington, DC, CCN 090004

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

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

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD (past)
• Boston Medical Center

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1306150495
  NPD (past)

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

• Medstar - Georgetown Medical Center, Inc.

  dba Georgetown University Hospital

  • General Acute Care Hospital
  • Washington, DC
  • NPI 1427145176
  Care Compare affiliation
• Montgomery General Hospital, Inc.

  • General Acute Care Hospital
  • Olney, MD
  • NPI 1114922341
  Care Compare affiliation

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

{
    "created_epoch": "1552694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754524800000",
    "number": "1710446026",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "593 EDDY ST STE 240",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029034923",
            "telephone_number": "401-444-5034"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1133 21ST ST NW BUILDING 2",
            "address_2": "5TH FLOOR",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200363390",
            "telephone_number": "202-416-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "811 Massachusetts Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182605",
            "country_code": "US",
            "telephone_number": "617-445-6400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "593 Eddy St Ste 240",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034923",
            "country_code": "US",
            "telephone_number": "401-444-5034",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PARK",
        "first_name": "WILLIAM",
        "middle_name": "YOUNG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-16",
        "last_updated": "2025-08-07",
        "certification_date": "2025-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MA",
            "license": "280221",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MD",
            "license": "D0103627",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Matthew Park, M.D.
• Susie Park
• Susie Eunhee Park
• Ted S Park, BC-HIS
• Theresa Hyejin Park, FNP-BC
• Youngrok Park, MD, PHD
• Yunea Clara Park, AU.D.
• Amarender Parkash, MD
• Parker Health Inc (Parker)
• Brenda Parker-Davis

• Gastroenterology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Gastroenterology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.