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

Dr. Mark Nathan Stein, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1568549319

Dr. Mark Nathan Stein, MD is a Medical Oncology in New York, New York. Graduated from New York Medical College in 1998, 28 years ago. Practices with Trustees of Columbia University in the City of New York, a 2,250-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New Jersey and New York.

Years since qualifying
28
Trained at
New York Medical College
Licensed in
NJ, NY
In the registry since
2006
Specialties on file
3
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

161 Fort Washington Ave Fl 9
New York, NY 10032-3729
Phone: (212) 305-5874
Fax: (212) 305-6762
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 195 Little Albany St, New Brunswick, NJ 08901-1914 — (732) 235-2465

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 215813 (NY)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence 215813 (NY)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 25MA07779100 (NJ)

Record details

NPI number1568549319
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESMarch 1, 2023
Certification dateMarch 1, 2023

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1998 (28 years in practice)
Group practice Trustees Of Columbia University In The City Of New York — 2250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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