WENDY Y TCHENG M.D.
NPI 1508991316
Pediatrics - Pediatric Hematology-Oncology in Torrance, CA
About Wendy Y Tcheng M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WENDY Y TCHENG M.D. (NPI 1508991316) is an individual pediatric hematology-oncology provider in Torrance, California, licensed in California (G64985) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Wendy Y Tcheng M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Wendy Tcheng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Valley Childrens Medical Group
- 387 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
TORRANCE, CA 90502
TORRANCE, CA 90502
TORRANCE, CA 90502
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 Wendy Tcheng's NPI number?
The NPI number for Wendy Tcheng is 1508991316. It was assigned to this individual provider in the NPPES registry on February 22, 2007.
Where is Wendy Tcheng located?
Wendy Tcheng practices at 1000 W Carson St Box 480, Torrance, CA 90502. The listed phone number is (310) 222-4174.
What is Wendy Tcheng's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Wendy Tcheng enrolled in Medicare?
Yes. Wendy Tcheng is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Wendy Tcheng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Tcheng reassigns Medicare benefits to Valley Children's Medical Group (Modesto, CA). 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 Wendy Tcheng'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 Wendy Tcheng was last updated on January 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Wendy Y Tcheng, M.D. · NPI 1508991316
Pediatric Hematology-Oncology physician in Torrance, California. Individual provider, active in the CMS NPPES registry since February 22, 2007.
## Identity
- **NPI:** 1508991316 (Entity type: Individual)
- **Enumerated:** February 22, 2007
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** G64985 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 W CARSON ST, BOX 480, Torrance, CA 90502-2004
- **Phone:** (310) 222-4174
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Valley Children's Medical Group (NPI 1437555265, Modesto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 10, 2008
- **Other identifiers:** Medicaid 00G649850 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1508991316) · Data from the CMS NPPES public registry.