DR. JAAP-JAN BOELENS MD, PHD
NPI 1902466949
Pediatrics - Pediatric Hematology-Oncology in New York, NY
About Dr. Jaap-jan Boelens Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAAP-JAN BOELENS MD, PHD (NPI 1902466949) is an individual pediatric hematology-oncology provider in New York, New York, licensed in New York (299511) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jaap-jan Boelens Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jaap-jan Boelens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 220 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10065
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jaap-jan Boelens's NPI number?
The NPI number for Jaap-jan Boelens is 1902466949. It was assigned to this individual provider in the NPPES registry on June 20, 2019.
Where is Jaap-jan Boelens located?
Jaap-jan Boelens practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 629-8478.
What is Jaap-jan Boelens's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Jaap-jan Boelens enrolled in Medicare?
Yes. Jaap-jan Boelens is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jaap-jan Boelens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaap-jan Boelens reassigns Medicare benefits to Memorial Pediatric Group (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jaap-jan Boelens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jaap-jan Boelens was last updated on February 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jaap-Jan Boelens, MD, PHD · NPI 1902466949
Pediatric Hematology-Oncology physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 20, 2019.
## Identity
- **NPI:** 1902466949 (Entity type: Individual)
- **Enumerated:** June 20, 2019
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 299511 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1275 YORK AVE, New York, NY 10065-6007
- **Phone:** (212) 629-8478
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Memorial Pediatric Group (NPI 1750352381, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** February 11, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1902466949) · Data from the CMS NPPES public registry.