DR. ALEXANDER I ZUHOSKI MD
NPI 1992740856
Internal Medicine - Hematology & Oncology in Riverhead, NY
About Dr. Alexander I Zuhoski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER I ZUHOSKI MD (NPI 1992740856) is an individual hematology & oncology provider in Riverhead, New York, licensed in New York (215233) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Alexander I Zuhoski 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 Alexander Zuhoski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 636 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 115
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Peconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11901 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
RIVERHEAD, NY 11901
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 Alexander Zuhoski's NPI number?
The NPI number for Alexander Zuhoski is 1992740856. It was assigned to this individual provider in the NPPES registry on June 17, 2006.
Where is Alexander Zuhoski located?
Alexander Zuhoski practices at 750 Old Country Road Building 2, Riverhead, NY 11901. The listed phone number is (631) 751-3000.
What is Alexander Zuhoski's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Alexander Zuhoski enrolled in Medicare?
Yes. Alexander Zuhoski 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 Alexander Zuhoski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Zuhoski reassigns Medicare benefits to North Shore Hematology Oncology Associates PC (Port Jefferson Station, 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 Alexander Zuhoski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Zuhoski affiliated with any hospitals?
According to CMS data, Alexander Zuhoski is affiliated with Peconic Bay Medical Center and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Zuhoski was last updated on February 3, 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.