PAIWEN SHEEN M.D.
NPI 1942212139
Specialist in Orange, CA
About Paiwen Sheen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAIWEN SHEEN M.D. (NPI 1942212139) is an individual specialist in Orange, California, licensed in California (A34503) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1974).
NPPES Registry Identity
Specialties & Licenses
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
Paiwen Sheen 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 Reassignments
2Medicare enrollment records show Paiwen Sheen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 255 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 4
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 Paiwen Sheen's NPI number?
The NPI number for Paiwen Sheen is 1942212139. It was assigned to this individual provider in the NPPES registry on August 13, 2006.
Where is Paiwen Sheen located?
Paiwen Sheen practices at 1140 W La Veta Ave Ste 560, Orange, CA 92868. The listed phone number is (714) 835-0101.
What is Paiwen Sheen's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Paiwen Sheen enrolled in Medicare?
Yes. Paiwen Sheen 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 Paiwen Sheen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paiwen Sheen reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Orange, CA) and University Of California Irvine (Santa Ana, 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 Paiwen Sheen'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 Paiwen Sheen was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.