DR. ANDREW STEVEN CHAN MD
NPI 1104975507
Internal Medicine - Geriatric Medicine in Los Angeles, CA
About Dr. Andrew Steven Chan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW STEVEN CHAN MD (NPI 1104975507) is an individual geriatric medicine provider in Los Angeles, California, licensed in California (G57859) and active in the NPI registry since January 2007. 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)
Dr. Andrew Steven Chan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Andrew Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 28 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.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Andrew Chan's NPI number?
The NPI number for Andrew Chan is 1104975507. It was assigned to this individual provider in the NPPES registry on January 9, 2007.
Where is Andrew Chan located?
Andrew Chan practices at 1701 E Cesar E Chavez Ave Suite 230, Los Angeles, CA 90033. The listed phone number is (323) 226-1100.
What is Andrew Chan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Andrew Chan enrolled in Medicare?
Yes. Andrew Chan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Andrew Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Chan reassigns Medicare benefits to Family Care Specialists Medical Corporation (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 Andrew 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 Andrew Chan was last updated on January 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Andrew Steven Chan, MD · NPI 1104975507
Geriatric Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since January 9, 2007.
## Identity
- **NPI:** 1104975507 (Entity type: Individual)
- **Enumerated:** January 9, 2007
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** G57859 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1701 E CESAR E CHAVEZ AVE, SUITE 230, Los Angeles, CA 90033-2464
- **Phone:** (323) 226-1100 · **Fax:** (323) 226-1101
## 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:** Family Care Specialists Medical Corporation (NPI 1649223777, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 11, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1104975507) · Data from the CMS NPPES public registry.