ALEXANDER LIM CHENG M.D.
NPI 1396806428
Internal Medicine in Montebello, CA
About Alexander Lim Cheng M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER LIM CHENG M.D. (NPI 1396806428) is an individual internal medicine provider in Montebello, California, licensed in California (A61554) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).
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
Alexander Lim Cheng 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 Reassignments
2Medicare enrollment records show Alexander Cheng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Montebello, CA 90640
- Reassigned Medicare billing, California enrollment
- 33 clinicians in this Medicare group
Pico Rivera, CA 90660
- 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.
Areas of Expertise CMS Part B claims 3
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 90640 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONTEBELLO, CA 90640
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 Alexander Cheng's NPI number?
The NPI number for Alexander Cheng is 1396806428. It was assigned to this individual provider in the NPPES registry on December 13, 2006.
Where is Alexander Cheng located?
Alexander Cheng practices at 520 W Beverly Blvd, Montebello, CA 90640. The listed phone number is (323) 721-0690.
What is Alexander Cheng's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alexander Cheng enrolled in Medicare?
Yes. Alexander Cheng 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 Alexander Cheng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Cheng reassigns Medicare benefits to 2 organizations: South Central Family Health Center (Montebello, CA) and Southern California Permanente Medical Group (Pico Rivera, 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 Alexander Cheng'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 Alexander Cheng was last updated on November 1, 2021. 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.