CHELSEA MARIE LAM MD
NPI 1073121786
Student in an Organized Health Care Education/Training Program in Pasadena, CA
About Chelsea Marie Lam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHELSEA MARIE LAM MD (NPI 1073121786) is an individual student in an organized health care education/training program in Pasadena, California and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2020).
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
Chelsea Marie Lam Md 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 Chelsea Lam 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 91105
PASADENA, CA 91105
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 Chelsea Lam's NPI number?
The NPI number for Chelsea Lam is 1073121786. It was assigned to this individual provider in the NPPES registry on July 20, 2020.
Where is Chelsea Lam located?
Chelsea Lam practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-5000.
What is Chelsea Lam's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Chelsea Lam enrolled in Medicare?
Yes. Chelsea 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 Chelsea Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Lam 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 Chelsea 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 Chelsea Lam was last updated on July 20, 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.
# Chelsea Marie Lam, MD · NPI 1073121786
Student in an Organized Health Care Education/Training Program provider in Pasadena, California. Individual provider, active in the CMS NPPES registry since July 20, 2020.
## Identity
- **NPI:** 1073121786 (Entity type: Individual)
- **Enumerated:** July 20, 2020
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 100 W CALIFORNIA BLVD, Pasadena, CA 91105-3010
- **Phone:** (626) 397-5000
## 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:** Southern California Permanente Medical Group (NPI 1013409044, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1073121786) · Data from the CMS NPPES public registry.