BRENT MICHAEL LEM MD
NPI 1922366780
Pediatrics in Los Angeles, CA
About Brent Michael Lem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRENT MICHAEL LEM MD (NPI 1922366780) is an individual pediatrics provider in Los Angeles, California, licensed in California (A119419) and active in the NPI registry since April 2012. He 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)
Brent Michael Lem Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Brent Lem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 154 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 90033 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.
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 Brent Lem's NPI number?
The NPI number for Brent Lem is 1922366780. It was assigned to this individual provider in the NPPES registry on April 30, 2012.
Where is Brent Lem located?
Brent Lem practices at 1100 N State St Clinic Tower A7d, Los Angeles, CA 90033. The listed phone number is (323) 409-6931.
What is Brent Lem's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Brent Lem enrolled in Medicare?
Yes. Brent Lem is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Brent Lem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brent Lem reassigns Medicare benefits to Community Medical Centers, Inc (Manteca, 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 Brent Lem'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 Brent Lem was last updated on April 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Brent Michael Lem, MD · NPI 1922366780
Pediatrics physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 30, 2012.
## Identity
- **NPI:** 1922366780 (Entity type: Individual)
- **Enumerated:** April 30, 2012
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A119419 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1100 N STATE ST, CLINIC TOWER A7D, Los Angeles, CA 90033-5000
- **Phone:** (323) 409-6931
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Community Medical Centers, Inc (NPI 1710211214, Manteca, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 30, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1922366780) · Data from the CMS NPPES public registry.