JASON A SADLOFSKY DO
NPI 1124267513
Internal Medicine - Cardiovascular Disease in East Setauket, NY
About Jason A Sadlofsky Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON A SADLOFSKY DO (NPI 1124267513) is an individual cardiovascular disease provider in East Setauket, New York, licensed in New York (2317561) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (1991).
NPPES Registry Identity
Specialties & Licenses
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
Jason A Sadlofsky Do 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
3Medicare enrollment records show Jason Sadlofsky reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1295778371 (New York)
- 177 clinicians in this Medicare group
West Islip, NY 11795
- Reassigned Medicare billing, New York enrollment
- 119 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, New York enrollment
- 233 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 29
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.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11733 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
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 Jason Sadlofsky's NPI number?
The NPI number for Jason Sadlofsky is 1124267513. It was assigned to this individual provider in the NPPES registry on February 10, 2009.
Where is Jason Sadlofsky located?
Jason Sadlofsky practices at 45 Research Way Suite 204, East Setauket, NY 11733. The listed phone number is (631) 941-2704.
What is Jason Sadlofsky's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Jason Sadlofsky enrolled in Medicare?
Yes. Jason Sadlofsky 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 Jason Sadlofsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Sadlofsky reassigns Medicare benefits to 3 organizations: Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY), Cardiac Ekg Interpretation, P. C. (West Islip, NY) and Zwanger & Pesiri Radiology Group, LLP (Lindenhurst, 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 Jason Sadlofsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jason Sadlofsky affiliated with any hospitals?
According to CMS data, Jason Sadlofsky is affiliated with John T Mather Memorial Hospital Of Port Jefferson and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Jason Sadlofsky was last updated on April 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.