KELLY KHAI LI YAP M.D.
NPI 1346560786
Internal Medicine - Hematology & Oncology in South Pasadena, CA
About Kelly Khai Li Yap M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELLY KHAI LI YAP M.D. (NPI 1346560786) is an individual hematology & oncology provider in South Pasadena, California, licensed in California (A122283) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Kelly Khai Li Yap 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 Kelly Khai Li Yap reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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.
Areas of Expertise CMS Part B claims 34
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91030 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.
SOUTH PASADENA, CA 91030
SOUTH PASADENA, CA 91030
SOUTH PASADENA, CA 91030
SOUTH PASADENA, CA 91030
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 Kelly Khai Li Yap's NPI number?
The NPI number for Kelly Khai Li Yap is 1346560786. It was assigned to this individual provider in the NPPES registry on June 8, 2010.
Where is Kelly Khai Li Yap located?
Kelly Khai Li Yap practices at 209 Fair Oaks Ave, South Pasadena, CA 91030. The listed phone number is (626) 396-2900.
What is Kelly Khai Li Yap's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Kelly Khai Li Yap enrolled in Medicare?
Yes. Kelly Khai Li Yap 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 Kelly Khai Li Yap's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Khai Li Yap reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and City Of Hope Medical Foundation (Duarte, 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 Kelly Khai Li Yap'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 Kelly Khai Li Yap was last updated on November 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.