DOUGLAS WAYNE SILFEN MD
NPI 1609835065
Radiology - Vascular & Interventional Radiology in West Islip, NY
About Douglas Wayne Silfen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS WAYNE SILFEN MD (NPI 1609835065) is an individual vascular & interventional radiology provider in West Islip, New York, licensed in New York (195117) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Douglas Wayne Silfen 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 Reassignments
2Medicare enrollment records show Douglas Silfen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seaford, NY 11783
- Reassigned Medicare billing, New York enrollment
- 391 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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 10
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYNs/Lij Hs Huntington Hospital
Acute Care Hospitals · Huntington, NYPeconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYPlainview Hospital
Acute Care Hospitals · Plainview, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11795 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.
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 Douglas Silfen's NPI number?
The NPI number for Douglas Silfen is 1609835065. It was assigned to this individual provider in the NPPES registry on March 22, 2006.
Where is Douglas Silfen located?
Douglas Silfen practices at 224 Secatogue Ln, West Islip, NY 11795. The listed phone number is (631) 988-5404.
What is Douglas Silfen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Douglas Silfen enrolled in Medicare?
Yes. Douglas Silfen 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 Douglas Silfen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Silfen reassigns Medicare benefits to 2 organizations: Southside Faculty Medical Affiliates University Faculty Practice Corp (Seaford, NY) and North Shore - Lij Medical PC (New Hyde Park, 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 Douglas Silfen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Douglas Silfen affiliated with any hospitals?
According to CMS data, Douglas Silfen is affiliated with Ns/Lij Hs Southside Hospital, Ns/Lij Hs Huntington Hospital, Peconic Bay Medical Center and Plainview Hospital.
When was this NPI record last updated?
The NPPES record for Douglas Silfen was last updated on October 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Douglas Wayne Silfen, MD · NPI 1609835065
Vascular & Interventional Radiology physician in West Islip, New York. Individual provider, active in the CMS NPPES registry since March 22, 2006.
## Identity
- **NPI:** 1609835065 (Entity type: Individual)
- **Enumerated:** March 22, 2006
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 195117 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 224 SECATOGUE LN, West Islip, NY 11795-4727
- **Phone:** (631) 988-5404
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southside Faculty Medical Affiliates University Faculty Practice Corp (NPI 1033791058, Seaford, NY); North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 1998
## Record status
- **NPPES last updated:** October 3, 2018
- **Other identifiers:** Medicaid 01920158 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1609835065) · Data from the CMS NPPES public registry.