ADAM HSU M.D.
NPI 1699825083
Ophthalmology in City Of Industry, CA
About Adam Hsu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM HSU M.D. (NPI 1699825083) is an individual ophthalmology provider in City Of Industry, California, licensed in California (A108052) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (2002).
NPPES Registry Identity
Specialties & Licenses 2
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
Adam Hsu 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 Adam Hsu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
City Of Industry, CA 91748
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 4 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 9
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 91748 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CITY OF INDUSTRY, CA 91748
CITY OF INDUSTRY, CA 91748
CITY OF INDUSTRY, CA 91748
CITY OF INDUSTRY, CA 91748
CITY OF INDUSTRY, CA 91748
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 Adam Hsu's NPI number?
The NPI number for Adam Hsu is 1699825083. It was assigned to this individual provider in the NPPES registry on January 10, 2007.
Where is Adam Hsu located?
Adam Hsu practices at 18575 Gale Ave 168, City Of Industry, CA 91748. The listed phone number is (626) 810-0689.
What is Adam Hsu's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Adam Hsu enrolled in Medicare?
Yes. Adam Hsu 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 Adam Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Hsu reassigns Medicare benefits to 2 organizations: California Vision And Visage Medical Group Inc (City Of Industry, CA) and Julia W Valdez M D Inc (Apple Valley, 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 Adam Hsu'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 Adam Hsu was last updated on January 24, 2022. 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.