EFFIE TSZ-TING KWOK
NPI 1982834230
Marriage & Family Therapist in Pasadena, CA
About Effie Tsz-ting Kwok NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EFFIE TSZ-TING KWOK (NPI 1982834230) is an individual marriage & family therapist in Pasadena, California, licensed in California (LMFT84907) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS.
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 (PECOS)
Effie Tsz-ting Kwok is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Effie Kwok reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90041
- Reassigned Medicare billing, California enrollment
- 13,921 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.
PASADENA, CA 91101
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 Effie Kwok's NPI number?
The NPI number for Effie Kwok is 1982834230. It was assigned to this individual provider in the NPPES registry on July 21, 2009.
Where is Effie Kwok located?
Effie Kwok practices at 118 S Oak Knoll Ave, Pasadena, CA 91101. The listed phone number is (626) 993-3000.
What is Effie Kwok's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Effie Kwok enrolled in Medicare?
Yes. Effie Kwok is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Effie Kwok's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Effie Kwok reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Effie Kwok'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 Effie Kwok was last updated on January 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.