Esther Y Yoo, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD493404 Issued in PA

Practice address

145 King of Prussia Rd
Radnor, PA 19087-4557

Phone

(610) 902-5600

NPI assigned

Apr 17, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Esther Kim Other name

Medicare fee-for-service enrollment

Enrolled in NY, PA2 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

Internal Medicine

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Trustees of the University of PennsylvaniaGroup PAC ID 2062326507, 150 clinicians

Weill Medical College of CornellGroup PAC ID 6800709023, 2,023 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hospital of Univ of Pennsylvania Hospital, Philadelphia, PA, CCN 390111
• New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as apm

Quality

85.32

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: esy9005@direct.nyp.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.

• Weill Medical College of Cornell

  • Internal Medicine Physician
  • New York, NY
  • NPI 1124170212
  Medicare reassignment Care Compare group NPD
• Trustees of the University of Pennsylvania

  • Internal Medicine Physician
  • Philadelphia, PA
  • NPI 1124882949
  Medicare reassignment Care Compare group
• Weill Medical College of Cornell

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1144729385
  NPD
• Weill Medical College of Cornell

  dba Weill Cornell Medical Associates

  • Internal Medicine Physician
  • New York, NY
  • NPI 1417990649
  NPD
• Cornell University Medical College

  • Psychologist
  • White Plains, NY
  • NPI 1528084910
  NPD (past)

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

• Hospital of the University of PA

  • Ambulatory Fertility Facility
  • Phila, PA
  • NPI 1033262316

  Hospital

  Care Compare affiliation
• Trustees of the University of Pennsylvania

  dba Hospital of the University of Pennsylvania

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1851370910
  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba New York Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1144504044
  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba New York-Presbyterian Hospital

  • Ambulance
  • New York, NY
  • NPI 1174628473

  Hospital

  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba NewYork-Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1194832477
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • Bronxville, NY
  • NPI 1780196345
  Care Compare affiliation
• The New York and Presbyterian Hospital

  dba New York-Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  Care Compare affiliation

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

{
    "created_epoch": "1492387200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1396279352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "145 KING OF PRUSSIA RD",
            "city": "RADNOR",
            "state": "PA",
            "postal_code": "190874557"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "145 KING OF PRUSSIA RD",
            "city": "RADNOR",
            "state": "PA",
            "postal_code": "190874557",
            "telephone_number": "610-902-5600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 University Drive",
            "address_2": "Penn State Health Milton S. Hershey Medical Center",
            "address_purpose": "LOCATION",
            "city": "Hershey",
            "state": "PA",
            "postal_code": "17033",
            "country_code": "US",
            "telephone_number": "800-243-1455",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "186 Joralemon St Fl 3",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112014326",
            "country_code": "US",
            "telephone_number": "646-962-4600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOO",
        "first_name": "ESTHER",
        "middle_name": "Y",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-17",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD493404",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "304983",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ESTHER",
            "last_name": "KIM",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Susan Roth Wilton, M.D.
• Kathleen Pearl Wimley, LSW
• Gabrielle Leigh Witkin, M.S.ED., M.PHIL.ED.
• Craig Wood, MD
• Jenna Yeager
• Joanna Zolli, MS, LAT, ATC
• George Zotalis, MD

• Internal Medicine Physician in Radnor, PA
• Providers in Radnor, PA by specialty
• Internal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.