JIM W LAM M.D.
NPI 1548200686
Family Medicine in Laguna Niguel, CA
About Jim W Lam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JIM W LAM M.D. (NPI 1548200686) is an individual family medicine provider in Laguna Niguel, California, licensed in California (G51171) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1982).
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
Jim W Lam 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 Reassignment
Medicare enrollment records show Jim Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 1,699 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 7
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 92677 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jim Lam's NPI number?
The NPI number for Jim Lam is 1548200686. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Jim Lam located?
Jim Lam practices at 27231 La Paz Rd Suite A, Laguna Niguel, CA 92677. The listed phone number is (949) 643-9111.
What is Jim Lam's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jim Lam enrolled in Medicare?
Yes. Jim 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 organization bills Medicare for Jim Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jim Lam reassigns Medicare benefits to Providence Medical Foundation (Mission Viejo, 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 Jim 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 Jim Lam was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.