DR. PATRICK K LEWALLEN MD
NPI 1184722795
Pediatrics - Neonatal-Perinatal Medicine in Bend, OR
About Dr. Patrick K Lewallen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK K LEWALLEN MD (NPI 1184722795) is an individual neonatal-perinatal medicine provider in Bend, Oregon, licensed in Oregon (MD14318) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.
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. Patrick K Lewallen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Patrick Lewallen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bend, OR 97701
- Reassigned Medicare billing, Oregon enrollment
- 307 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.
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.
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 Patrick Lewallen's NPI number?
The NPI number for Patrick Lewallen is 1184722795. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Patrick Lewallen located?
Patrick Lewallen practices at 2500 NE Neff Rd, Bend, OR 97701. The listed phone number is (541) 382-4321.
What is Patrick Lewallen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Patrick Lewallen enrolled in Medicare?
Yes. Patrick Lewallen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Patrick Lewallen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Lewallen reassigns Medicare benefits to St. Charles Health System, Inc. (Bend, OR). 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 Patrick Lewallen'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 Patrick Lewallen was last updated on April 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.