DR. HARRISON TSANG O.D.
NPI 1215375456
Optometrist in Santa Clarita, CA
About Dr. Harrison Tsang O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARRISON TSANG O.D. (NPI 1215375456) is an individual optometrist in Santa Clarita, California, licensed in California (14610) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Encino, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Dr. Harrison Tsang O.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 Reassignment
Medicare enrollment records show Harrison Tsang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clarita, CA 91350
- Reassigned Medicare billing, California enrollment
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 91350 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
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 Harrison Tsang's NPI number?
The NPI number for Harrison Tsang is 1215375456. It was assigned to this individual provider in the NPPES registry on June 10, 2013.
Where is Harrison Tsang located?
Harrison Tsang practices at 27916 Seco Canyon Rd Ste 204, Santa Clarita, CA 91350. The listed phone number is (661) 261-9212.
What is Harrison Tsang's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Harrison Tsang enrolled in Medicare?
Yes. Harrison Tsang 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 organization bills Medicare for Harrison Tsang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harrison Tsang reassigns Medicare benefits to Harrison Tsang Od, Inc (Santa Clarita, 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 Harrison Tsang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harrison Tsang accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Harrison Tsang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Harrison Tsang was last updated on May 13, 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.