Individual provider Active NPI

Koeun Choi, MD

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1508495904
Registry record updated May 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
331020 Issued in NY
Practice address
505 E 70TH St
New York, NY 10021-4872
Phone
(212) 774-6290
Fax
(212) 746-4609
NPI assigned
Apr 7, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 331020 NY Primary

Addresses

Primary practice location

505 E 70TH St
New York, NY 10021-4872

Mailing address

505 E 70TH St
New York, NY 10021-4872
Phone (212) 774-6290

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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

Enrollment IDStateProvider typePAC IDDetails
I20250619002436 NY Practitioner - Internal Medicine 7911329412 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
State University of New York at Stony Brook, School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Weill Medical College of CornellGroup PAC ID 6800709023, 2,023 clinicians

Practice addresses (Care Compare)

1300 York Ave
New York, NY 10065-4805
Phone (212) 746-2900

505 E 70TH St
New York, NY 10021-4872
Phone (212) 746-2917

Hospital & facility affiliations

  • New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
86.54
Promoting interoperability
99.98
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
331020NYMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University Internal Medicine CurrentSince Jul 1, 2023 Accepting new patients
Weill Medical College of Cornell CurrentSince Apr 15, 2025 Accepting new patients
Northeast Medical Group, Inc. Internal Medicine CurrentSince Mar 16, 2024 Accepting new patients
Weill Medical College of Cornell Current Accepting new patients
Yale University CurrentSince Jul 1, 2023 Accepting new patients
Cornell Scott Hill Health Corporation CurrentSince Jun 1, 2023 Accepting new patients
Weill Medical College of Cornell Internal Medicine CurrentSince Apr 15, 2025 Accepting new patients
Cornell University Medical College Past Accepting new patients
The New York and Presbyterian Hospital Past Accepting new patients

Locations

1450 Chapel St
New Haven, CT 06511
Phone (203) 789-3151

428 Columbus Ave
New Haven, CT 06519
Phone (203) 503-3228

20 York St
Unit CB2041
New Haven, CT 06510
Phone (203) 688-4741

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

20 York St
North Haven, CT 06510
Phone (203) 688-2433

95 Armory Rd
Stratford, CT 06614
Phone (203) 384-3388

505 E 70th St
Fl 4
New York, NY 10021
Phone (212) 746-2900

505 E 70th St
New York, NY 10021
Phone (212) 746-2900

1300 York Ave
New York, NY 10065
Phone (212) 746-2900

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H5989

Interoperability endpoints

  • Direct secure messaging: kchoi463287@direct.ynhh.org
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

Organizations & group practices 9

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.

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1586217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1508495904",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-774-6290",
            "fax_number": "212-746-4609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-774-6290",
            "fax_number": "212-746-4609"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHOI",
        "first_name": "KOEUN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-07",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "331020",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.