DR. RANDALL CHAN MD
NPI 1265969273
Internal Medicine in Monterey Park, CA
About Dr. Randall Chan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RANDALL CHAN MD (NPI 1265969273) is an individual internal medicine provider in Monterey Park, California, licensed in California (A170949) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2017).
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)
Dr. Randall Chan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Randall Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Apollomed Hospitalists A Medical Corporation
- 53 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 91754 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONTEREY PARK, CA 91754
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 Randall Chan's NPI number?
The NPI number for Randall Chan is 1265969273. It was assigned to this individual provider in the NPPES registry on May 22, 2017.
Where is Randall Chan located?
Randall Chan practices at 525 N Garfield Ave, Monterey Park, CA 91754. The listed phone number is (626) 573-2222.
What is Randall Chan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Randall Chan enrolled in Medicare?
Yes. Randall Chan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Randall Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Randall Chan reassigns Medicare benefits to Astrana Care Hospitalists, A Medical Corporation (Alhambra, 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 Randall Chan'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 Randall Chan was last updated on November 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Randall Chan, MD · NPI 1265969273
Internal Medicine physician in Monterey Park, California. Individual provider, active in the CMS NPPES registry since May 22, 2017.
## Identity
- **NPI:** 1265969273 (Entity type: Individual)
- **Enumerated:** May 22, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A170949 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 525 N GARFIELD AVE, Monterey Park, CA 91754-1202
- **Phone:** (626) 573-2222
## 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:** Astrana Care Hospitalists, A Medical Corporation (NPI 1265658595, Alhambra, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Florida College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** November 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1265969273) · Data from the CMS NPPES public registry.