SAN SAN WYNN M.D.
NPI 1083687289
Internal Medicine - Hematology & Oncology in Roslyn, NY
About San San Wynn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAN SAN WYNN M.D. (NPI 1083687289) is an individual hematology & oncology provider in Roslyn, New York, licensed in New York (220806) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and is a graduate of Other (1984).
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
San San Wynn 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 Reassignment
Medicare enrollment records show San San Wynn 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 5
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.
Long Island Community Hospital
Acute Care Hospitals · Patchogue, NYNyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11576 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.
Reported Quality Measures
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 San San Wynn's NPI number?
The NPI number for San San Wynn is 1083687289. It was assigned to this individual provider in the NPPES registry on February 8, 2006.
Where is San San Wynn located?
San San Wynn practices at 56 Hamilton Dr, Roslyn, NY 11576. The listed phone number is (718) 498-5754.
What is San San Wynn's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is San San Wynn enrolled in Medicare?
Yes. San San Wynn 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 San San Wynn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), San San Wynn 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 San San Wynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is San San Wynn affiliated with any hospitals?
According to CMS data, San San Wynn is affiliated with Long Island Community Hospital and Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for San San Wynn was last updated on April 9, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.