WINNIE LAM DO
NPI 1205576410
Emergency Medicine in Stockton, CA
About Winnie Lam Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WINNIE LAM DO (NPI 1205576410) is an individual emergency medicine provider in Stockton, California, licensed in California (21878) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 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
Winnie Lam Do 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
3Medicare enrollment records show Winnie Lam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 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 95204 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.
STOCKTON, CA 95204
STOCKTON, CA 95204
STOCKTON, CA 95204
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 Winnie Lam's NPI number?
The NPI number for Winnie Lam is 1205576410. It was assigned to this individual provider in the NPPES registry on March 29, 2022.
Where is Winnie Lam located?
Winnie Lam practices at 1800 N California St, Stockton, CA 95204. The listed phone number is (209) 547-7146.
What is Winnie Lam's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Winnie Lam enrolled in Medicare?
Yes. Winnie Lam 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 Winnie Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Winnie Lam reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Stockton, CA), Cep America - California (French Camp, CA) and Emergency Physicians Associates San Jose PC (San Jose, 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 Winnie Lam'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 Winnie Lam was last updated on September 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Winnie Lam, DO · NPI 1205576410
Emergency Medicine physician in Stockton, California. Individual provider, active in the CMS NPPES registry since March 29, 2022.
## Identity
- **NPI:** 1205576410 (Entity type: Individual)
- **Enumerated:** March 29, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 21878 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 N CALIFORNIA ST, Stockton, CA 95204-6019
- **Phone:** (209) 547-7146
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1548343510, Stockton, CA); Cep America - California (NPI 1467863290, French Camp, CA); Emergency Physicians Associates San Jose PC (NPI 1306311576, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1205576410) · Data from the CMS NPPES public registry.