DR. WYMAN W. LAI MD
NPI 1689659955
Pediatrics - Pediatric Cardiology in Orange, CA
About Dr. Wyman W. Lai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WYMAN W. LAI MD (NPI 1689659955) is an individual pediatric cardiology provider in Orange, California, licensed in California (G61378) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (1986).
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
Dr. Wyman W. Lai 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 Wyman Lai 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
- Medicare enrollment name: Childrens Hospital Of Orange County
- 190 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 143 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.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
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 Wyman Lai's NPI number?
The NPI number for Wyman Lai is 1689659955. It was assigned to this individual provider in the NPPES registry on December 9, 2005.
Where is Wyman Lai located?
Wyman Lai practices at 505 S Main St Suite 200, Orange, CA 92868. The listed phone number is (714) 509-8052.
What is Wyman Lai's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Wyman Lai enrolled in Medicare?
Yes. Wyman Lai 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 Wyman Lai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wyman Lai reassigns Medicare benefits to 2 organizations: Children's Hospital Of Orange County (Orange, CA) and Uc Regents Uci Dept Of Pediatrics (Orange, 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 Wyman Lai'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 Wyman Lai was last updated on October 31, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Wyman W. Lai, MD · NPI 1689659955
Pediatric Cardiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since December 9, 2005.
## Identity
- **NPI:** 1689659955 (Entity type: Individual)
- **Enumerated:** December 9, 2005
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** G61378 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 S MAIN ST, SUITE 200, Orange, CA 92868-4509
- **Phone:** (714) 509-8052
## 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): Children's Hospital Of Orange County (NPI 1275975104, Orange, CA); Uc Regents Uci Dept Of Pediatrics (NPI 1235187311, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 1986
## Record status
- **NPPES last updated:** October 31, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1689659955) · Data from the CMS NPPES public registry.