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Dr. Marisa Siebel, MD

Dr. Marisa Siebel, MD

Medical Oncology*
20+ years of experience

Dr. Marisa Siebel, MD is a medical oncologist in Bay Shore, NY and has over 20 years of experience in the medical field. She graduated from St. Georges University School of Medicine in 2000. She is affiliated with medical facilities such as Huntington Hospital and Long Island Jewish Medical Center. She is accepting new patients and telehealth appointments.

4.5 Star Rating
Based on 4 reviews 4.5 Star Rating (4 reviews)

Practice

440 E Main St Bay Shore, NY 11706
Telehealth available

Make an Appointment

(631) 414-6800

Hospital Highlight

Dr. Siebel is affiliated with Huntington Hospital Huntington, a highly rated hospital.

At a Glance

  • Area of Expertise
    Dr. Siebel specializes in the area of Medical Oncology. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
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Dr. Siebel's Reviews

Likelihood to recommend Dr. Siebel

4.5

4 ratings, 1 with written review
5 Star
75%
75%
4 Star
0%
0%
3 Star
25%
25%
2 Star
0%
0%
1 Star
0%
0%

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What went well
  • Appointment wasn't rushed
What could be improved
  • Didn't listen or answer questions
Helpful
Feb 14, 2022
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Know Before You Go

About Me

biography

Marisa Siebel, MD, is director of gastrointestinal (GI) malignancies for the Eastern Region at Northwell Health Cancer Institute. Prior to her current appointment, she wa

  • Medical Oncology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • St. Georges University School Of Medicine

    Medical School, 2000
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Medical Oncology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

Focus on Breast Cancer

Locations

Practice

Northwell Health Imaging at Bay Shore440 E Main St Bay Shore, NY 11706
1

Practice

Long Island Jewish Medical Center270 Pulaski Rd Greenlawn, NY 11740
2

Practice

Vivo Health Pharmacy at Cfam450 Lakeville Rd New Hyde Park, NY 11042
3

Affiliated Hospitals

  • Huntington Hospital

    270 Park Ave
    Huntington, NY 11743
    Recipient of 12
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    83%
    Patients said they were given information about recovering at home

    1% lower than the national average

    77%
    Patients said that nurses always listened to them and explained things well

    2% higher than the national average

    View all patient feedback

  • North Shore University Hospital

    300 Community Dr
    Manhasset, NY 11030
    Recipient of 19
    hospital awards

    Patient Safety Excellence Award™ (2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    Outstanding Patient Experience Award™ (2022)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    83%
    Patients said they were given information about recovering at home

    1% lower than the national average

    73%
    Patients said that doctors always listened to them and explained things well

    3% lower than the national average

    View all patient feedback

  • Long Island Jewish Medical Center

    270 05 76 Ave
    New Hyde Park, NY 11040
    Recipient of 14
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    83%
    Patients said they were given information about recovering at home

    1% lower than the national average

    75%
    Patients said that doctors always listened to them and explained things well

    1% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality