DR. YVONNE EVE SIWEK M.D.
NPI 1437135472
Emergency Medicine in West Reading, PA
About Dr. Yvonne Eve Siwek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YVONNE EVE SIWEK M.D. (NPI 1437135472) is an individual emergency medicine provider in West Reading, Pennsylvania, licensed in Pennsylvania (MD070162L) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and maintains a secondary practice location in West Reading.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 (PECOS)
Dr. Yvonne Eve Siwek M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Yvonne Siwek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 399 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 19611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WEST READING, PA 19611
WEST READING, PA 19611
WEST READING, PA 19611
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 Yvonne Siwek's NPI number?
The NPI number for Yvonne Siwek is 1437135472. It was assigned to this individual provider in the NPPES registry on December 21, 2005.
Where is Yvonne Siwek located?
Yvonne Siwek practices at 420 S 5th Ave, West Reading, PA 19611. The listed phone number is (484) 628-3637.
What is Yvonne Siwek's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Yvonne Siwek enrolled in Medicare?
Yes. Yvonne Siwek is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Yvonne Siwek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yvonne Siwek reassigns Medicare benefits to 2 organizations: Tower Health Medical Group (West Reading, PA) and Reading Hospital (West Reading, PA). 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 Yvonne Siwek'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 Yvonne Siwek was last updated on August 9, 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.