MICHAEL J. MARESCA M.D.
NPI 1194893727
Internal Medicine - Hematology & Oncology in Poughkeepsie, NY
About Michael J. Maresca M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J. MARESCA M.D. (NPI 1194893727) is an individual hematology & oncology provider in Poughkeepsie, New York, licensed in New York (219661) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and is a graduate of Other (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
Michael J. Maresca M.d. 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 Reassignments
2Medicare enrollment records show Michael Maresca reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Hudson Valley Hematology Oncology Associates, Rllp
- 6 clinicians in this Medicare group
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 87
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Vassar Brothers Medical Center
Acute Care Hospitals · Poughkeepsie, NYCanton-Potsdam Hospital
Acute Care Hospitals · Potsdam, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYGouverneur Hospital
Critical Access Hospitals · Gouverneur, NYSlhs Massena, Inc
Critical Access Hospitals · Massena, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12601 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POUGHKEEPSIE, NY 12601
POUGHKEEPSIE, NY 12601
POUGHKEEPSIE, NY 12601
POUGHKEEPSIE, NY 12601
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 Michael Maresca's NPI number?
The NPI number for Michael Maresca is 1194893727. It was assigned to this individual provider in the NPPES registry on December 1, 2006.
Where is Michael Maresca located?
Michael Maresca practices at 19 Baker Ave Suite 100, Poughkeepsie, NY 12601. The listed phone number is (845) 454-1942.
What is Michael Maresca's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Michael Maresca enrolled in Medicare?
Yes. Michael Maresca 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 organizations bill Medicare for Michael Maresca's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Maresca reassigns Medicare benefits to 2 organizations: North Shore Hematology Oncology Associates PC (Poughkeepsie, NY) and North Shore Hematology Oncology Associates PC (Port Jefferson Station, NY). Each 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 Michael Maresca's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Maresca affiliated with any hospitals?
According to CMS data, Michael Maresca is affiliated with Vassar Brothers Medical Center, Canton-Potsdam Hospital, Westchester Medical Center, Gouverneur Hospital and Slhs Massena, Inc.
When was this NPI record last updated?
The NPPES record for Michael Maresca was last updated on December 16, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.