MEI FUNG WELKY LAI
NPI 1033461124
Social Worker - Clinical in Oakland, CA
About Mei Fung Welky Lai NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEI FUNG WELKY LAI (NPI 1033461124) is an individual clinical provider in Oakland, California, licensed in California (LCS 24360) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
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
Mei Fung Welky Lai 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 Reassignment
Medicare enrollment records show Mei Fung Lai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94612 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKLAND, CA 94612
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 Mei Fung Lai's NPI number?
The NPI number for Mei Fung Lai is 1033461124. It was assigned to this individual provider in the NPPES registry on October 12, 2012.
Where is Mei Fung Lai located?
Mei Fung Lai practices at 275 14th St, Oakland, CA 94612. The listed phone number is (510) 986-8688.
What is Mei Fung Lai's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mei Fung Lai enrolled in Medicare?
Yes. Mei Fung 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 organization bills Medicare for Mei Fung Lai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mei Fung Lai reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, 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 Mei Fung 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 Mei Fung Lai was last updated on January 18, 2022. 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.
# Mei Fung Welky Lai · NPI 1033461124
Clinical provider in Oakland, California. Individual provider, active in the CMS NPPES registry since October 12, 2012.
## Identity
- **NPI:** 1033461124 (Entity type: Individual)
- **Enumerated:** October 12, 2012
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** LCS 24360 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 275 14TH ST, Oakland, CA 94612-4070
- **Phone:** (510) 986-8688
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** January 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1033461124) · Data from the CMS NPPES public registry.