Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Jaap-Jan Boelens, MD, PHD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1902466949

Dr. Jaap-Jan Boelens, MD, PHD is a Hematopoietic Cell Transplantation and Cellular Therapy in New York, New York. Qualified in 1996, 30 years ago. Practices with Memorial Pediatric Group, a 39-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
30
Licensed in
NY
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1275 York Ave
New York, NY 10065-6007
Phone: (212) 629-8478
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 299511 (NY)

Record details

NPI number1902466949
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJune 20, 2019
Last updated in NPPESFebruary 11, 2020
Certification dateFebruary 11, 2020

Medicare enrollment

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

Medicare specialtyHEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY
Also practisesHEMATOLOGY/ONCOLOGY, PEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Memorial Pediatric Group — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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