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

Marissa Danielle Rybstein, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1447593132

Marissa Danielle Rybstein, MD is a Hematology/Oncology in New York, New York. Graduated from New York Medical College in 2013, 13 years ago. Practices with New York University, a 5,884-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
13
Trained at
New York Medical College
Licensed in
NY
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

520 E 70th St # 341
New York, NY 10021-9800
Phone: (212) 746-2061
Fax: (212) 746-8866
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 283721 (NY)

Record details

NPI number1447593132
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2013
Last updated in NPPESSeptember 12, 2022
Certification dateSeptember 12, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2013 (13 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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