ALAN DOSIK MD
NPI 1528010386
Internal Medicine - Hematology & Oncology in Brooklyn, NY
About Alan Dosik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAN DOSIK MD (NPI 1528010386) is an individual hematology & oncology provider in Brooklyn, New York, licensed in New York (210889) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with New York Community Hospital Of Brooklyn, Inc., and is a graduate of State University Of New York Downstate Medical Center (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Alan Dosik Md 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 Alan Dosik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Dosik Hematology And Oncology PC
- 4 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.
Areas of Expertise CMS Part B claims 24
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York Community Hospital Of Brooklyn, Inc.
Acute Care Hospitals · Brooklyn, NYNew York-Presbyterian Hospital
Acute Care Hospitals · New York, NYMaimonides Medical Center
Acute Care Hospitals · Brooklyn, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Patient Reviews User submitted
Reviews are submitted by site visitors and approved by a human moderator before publication.
Review by Arik ***** May 28, 2026
5/5Frequently 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 Alan Dosik's NPI number?
The NPI number for Alan Dosik is 1528010386. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Alan Dosik located?
Alan Dosik practices at 500 4th Avenue Suite 1, Brooklyn, NY 11215. The listed phone number is (718) 208-1820.
What is Alan Dosik's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Alan Dosik enrolled in Medicare?
Yes. Alan Dosik 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 Alan Dosik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Dosik reassigns Medicare benefits to Dosik Hematology And Oncology, P.C. (Brooklyn, 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 Alan Dosik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alan Dosik affiliated with any hospitals?
According to CMS data, Alan Dosik is affiliated with New York Community Hospital Of Brooklyn, Inc., New York-Presbyterian Hospital and Maimonides Medical Center.
When was this NPI record last updated?
The NPPES record for Alan Dosik was last updated on June 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.