Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Quinlan Sievers, MD/PHD

Individual provider Medical Oncology Physician · NPI 1700346897

Dr. Quinlan Sievers, MD/PHD is a Medical Oncology in New York, New York. Graduated from Harvard Medical School in 2019, 7 years ago. Practices with Memorial Hematology Lymphoma Group, a 216-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
7
Trained at
Harvard Medical School
Licensed in
NY
In the registry since
2019
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Practice location Address checks out

1275 York Ave
New York, NY 10065-6007
Phone: (212) 639-7900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 318552 (NY)

Record details

NPI number1700346897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD/PHD
Sole proprietorNo
NPI enumeratedMarch 23, 2019
Last updated in NPPESJuly 7, 2025
Certification dateJuly 7, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2019 (7 years in practice)
Group practice Memorial Hematology Lymphoma Group — 216 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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