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Patients in Manhattan and around New York City see Dr. Quinlan L. Sievers, a medical oncologist, at Memorial Hematology Lymphoma Group.
Dr. Sievers earned his medical degree at Harvard Medical School in 2019 — 7 years ago.
The office is at 1275 York Ave, New York, NY 10065; the phone number on record is (212) 639-2000. Dr. Sievers is also listed at 530 E 74th St, New York, NY 10021. He accepts Medicare assignment — useful to know if you are on traditional Medicare.
About Dr. Sievers's practice
- Specialty
- Medical oncologist
- Credentials
- MD
- Practice
- Memorial Hematology Lymphoma Group
- Address
- 1275 York Ave, New York, NY 10065
- Phone
- (212) 639-2000
- Other locations
- 530 E 74th St, New York, NY 10021
- Medical school
- Harvard Medical School (2019)
- Medicare assignment
- Accepts
- NPI number
- 1700346897
- NY license no.
- 318552
Your review of Dr. Sievers — wait times, how well things were explained, how you were treated — helps other patients decide.
Medicare, Medicaid and hospitals
- New York Medicaid
- Enrolled fee-for-service provider since 2025. Medicaid managed-care plans keep their own networks, so check with your plan.
Comparing oncologists? See 297 in Manhattan or 380 across New York City.
Other oncologists in Manhattan
Dr. Gaston Jean-Louis, MDHematologist · Trustees of Columbia University in the City of New YorkNo reviews yetNew York, NY
Dr. Geoffrey Y. Ku, MDMedical Oncologist · Memorial Solid Tumor GroupNo reviews yetNew York, NY
Dr. George H. Plitas, MDSurgical Oncologist · Mskcc Surgery GroupNo reviews yetNew York, NY
Dr. Ghaith F. Abu Zeinah, MDMedical Oncologist · Weill Medical College of CornellNo reviews yetNew York, NY
Dr. Gopakumar V. Iyer, MDMedical Oncologist · Memorial Solid Tumor GroupNo reviews yetNew York, NY
Dr. Gregory J. Riely, MDMedical Oncologist · Memorial Solid Tumor GroupNo reviews yetNew York, NYWrite a review
Frequently Asked Questions
With Memorial Hematology Lymphoma Group, at 1275 York Ave, New York, NY 10065.
Call the office at (212) 639-2000.
Yes — Dr. Sievers accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Harvard Medical School, graduating in 2019.
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