MS. SIENNA VORONO WINER MD
NPI 1861785958
Pediatrics in Springfield, VA
About Ms. Sienna Vorono Winer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SIENNA VORONO WINER MD (NPI 1861785958) is an individual pediatrics provider in Springfield, Virginia, licensed in Virginia (0101260473) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Sienna Vorono Winer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sienna Winer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 clinicians in this Medicare group
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22150 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sienna Winer's NPI number?
The NPI number for Sienna Winer is 1861785958. It was assigned to this individual provider in the NPPES registry on May 23, 2011. The provider is also known as Sienna Christine Vorono MD.
Where is Sienna Winer located?
Sienna Winer practices at 6501 Loisdale Ct., Springfield, VA 22150. The listed phone number is (703) 922-1000.
What is Sienna Winer's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Sienna Winer enrolled in Medicare?
Yes. Sienna Winer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sienna Winer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sienna Winer reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Fairfax, VA) and Southern California Permanente Medical Group (San Diego, CA). 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 Sienna Winer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sienna Winer was last updated on June 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.