Seung Eun (Grace) Lee

Seung Eun (Grace) Lee, MD

Gastroenterologist

Areas of Expertise

Conditions I Treat

  • Pancreatic cancer
  • Bile duct cancer (cholangiocarcinoma)
  • Stomach (gastric) cancer

My Specialties

  • Endoscopic ultrasound (EUS)
  • Ultrasound-guided biopsy
  • Endoscopic retrograde cholangiopancreatography (ERCP)
View more expertise
Dr. Lee's Office Information
Languages: English
Request an Appointment
Our Care Advisors can answer many of your questions. They will connect you with the best healthcare provider for your needs.

Get to Know Me

I am a board-certified gastroenterologist with special training in advanced endoscopic procedures for the diagnosis and treatment of gastrointestinal cancers. This includes:

I am an expert in the latest minimally invasive endoscopic techniques to treat early gastrointestinal cancers and complex pancreaticobiliary diseases.

I do endoscopy at Memorial Hospital and the David H. Koch Center for Cancer at Memorial Sloan Kettering Cancer Center and see patients in the clinic at the Rockefeller Outpatient Pavilion in New York City.

I strongly believe in working closely with a team of different experts to offer the best care to patients. Together with doctors in medical oncology, radiation oncology, surgery, interventional radiology, pathology, and other specialties, I provide thorough treatment that is tailored to each patient.

I also value patient education and empowerment by prioritizing clear communication and shared decision making. My goal is to help patients fully understand their diagnoses and treatment options so that they can be active participants in their care.

My clinical research focuses on achieving the best results for patients with pancreatic and bile duct cancers. I especially focus on the use of endoscopic ultrasound to obtain information on mutations unique to the type of cancer each patient has been diagnosed with. This allows me to deliver effective, targeted care.

My other research interest is determining ways to reduce unexpected hospitalizations for infections of the bile duct, which would allow for cancer treatment to continue without interruptions.

Outside of work, I am a dancer and a certified yoga teacher.

What I Do at MSK

I'm a gastroenterologist (GAS-troh-EN-teh-RAH-loh-jist), which is a doctor with special training in the gastrointestinal (GI) system. This includes the esophagus, intestines, stomach, bile ducts, gallbladder, liver, and pancreas.

  • Assistant Attending Physician
Areas of Expertise

Conditions I Treat

  • Pancreatic cancer
  • Bile duct cancer (cholangiocarcinoma)
  • Stomach (gastric) cancer
  • Gastric intestinal metaplasia (GIM)
  • Colon cancer
  • Colon polyps
  • Esophageal cancers
  • Carcinoid tumors

My Specialties

  • Endoscopic ultrasound (EUS)
  • Ultrasound-guided biopsy
  • Endoscopic retrograde cholangiopancreatography (ERCP)
  • Endoscopy
  • Enteroscopy
  • Colonoscopy
  • Endoscopic mucosal resection
  • Colorectal cancer screening
This list shows some key areas of focus, but it may not cover all expertise. When making an appointment, you will be matched with the best healthcare provider for your needs.
Education & Honors

Education

  • BS, University of Pittsburgh
  • MD, Rutgers Robert Wood Johnson Medical School

Residencies

  • Internal Medicine, Icahn School of Medicine at Mount Sinai

Fellowships

  • Gastroenterology, Memorial Sloan Kettering Cancer Center
  • Advanced Endoscopy, Memorial Sloan Kettering Cancer Center

Board Certifications

  • Internal Medicine
  • Gastroenterology

Insurance Information

Understanding your insurance options is an important part of managing your cancer care. We have relationships with many common healthcare providers and plans.

Learn more about the insurance plans that participate with MSK.

If you don't have health insurance or are worried that your care may not be fully covered, our financial assistance programs may be able to help.

Health plans can change at any time. Call the number on the back of your insurance card to see what your plan covers. Make sure it covers the MSK location where you’ll get care.

If you have questions about insurance, call us at 646-497-9176.

Make an Appointment

Women talking
New Patients
Scheduling an appointment is easy. Click or call 646-497-9898— we’re available 24 hours a day, 7 days a week
Make an Appointment
Current Patients
Request an appointment by calling your Care Team or messaging them in MSK MyChart.

Contact and Location

Office Phone
Location
New York, NY
Memorial Sloan Kettering Cancer Center
1275 York Avenue New York NY 10065
Get Directions
David H. Koch Center for Cancer Care at Memorial Sloan Kettering Cancer Center
530 East 74th Street New York NY 10021
Get Directions
Rockefeller Outpatient Pavilion
160 East 53rd Street New York NY 10022
Get Directions

Looking to see a doctor at a different location? See all MSK locations.

Colleagues

Doctors at Memorial Sloan Kettering work as teams, with specialists from all different areas. This allows us to consider all your needs together, and to give you the best possible care.

See all Gastroenterology, Hepatology and Nutrition Service doctors

Clinical Trials

Smiling doctors in the lab
Find a Clinical Trial for You

Memorial Sloan Kettering's doctors and scientists are constantly developing new treatments for cancer. MSK is typically running hundreds of clinical trials at a given time.

You may be able to participate in a clinical trial even if you are new to MSK. Search our online directory to find trial information and see more about who can participate.

Search clinical trials

Research and Publications

Publications on PubMed

Visit PubMed for a full listing of Dr. Lee’s journal articles. Pubmed is an online index of research papers and other articles from the US National Library of Medicine and the National Institutes of Health.

See all on PubMed

Disclosures

Members of the MSK Community often work with pharmaceutical, device, biotechnology, and life sciences companies, and other organizations outside of MSK, to find safe and effective cancer treatments, to improve patient care, and to educate the health care community. These activities outside of MSK further our mission, provide productive collaborations, and promote the practical application of scientific discoveries.

MSK requires doctors, faculty members, and leaders to report (“disclose”) the relationships and financial interests they have with external entities. As a commitment to transparency with our community, we make that information available to the public. Not all disclosed interests and relationships present conflicts of interest. MSK reviews all disclosed interests and relationships to assess whether a conflict of interest exists and whether formal COI management is needed.

Seung Eun (Grace) Lee discloses the following relationships and financial interests:

No disclosures meeting criteria for time period


If you’re a patient at MSK and would like more information about your doctor’s external relationships, please talk with your doctor.

The information published here is a complement to other publicly reported data and is for a specific annual disclosure period. There may be differences between information on this and other public sites as a result of different reporting periods and/or the various ways relationships and financial interests are categorized by organizations that publish such data.

This page and data include information for a specific MSK annual disclosure period (January 1, 2025 through disclosure submission in spring 2026). This data reflects interests that may or may not still exist. This data is updated annually.

Learn more about MSK’s COI policies here. For questions regarding MSK’s COI-related policies and procedures, email MSK’s Compliance Office at [email protected].


View all disclosures