JAY SIU DO
NPI 1689023160
General Practice in Eagle Pass, TX
About Jay Siu Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAY SIU DO (NPI 1689023160) is an individual general practice provider in Eagle Pass, Texas, licensed in Texas (S2899) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Jay Siu Do 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 Jay Siu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eagle Pass, TX 78852
- Reassigned Medicare billing, Texas enrollment
- 76 clinicians in this Medicare group
Eagle Pass, TX 78852
- Reassigned Medicare billing, Texas enrollment
- 3 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.
Referred Medical Equipment & Supplies CMS DME claims 3
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.
EAGLE PASS, TX 78852
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 Jay Siu's NPI number?
The NPI number for Jay Siu is 1689023160. It was assigned to this individual provider in the NPPES registry on June 6, 2016. The provider is also known as Jun Fu Do.
Where is Jay Siu located?
Jay Siu practices at 2525 N Veterans Blvd, Eagle Pass, TX 78852. The listed phone number is (830) 773-5358.
What is Jay Siu's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Jay Siu enrolled in Medicare?
Yes. Jay Siu 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 Jay Siu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jay Siu reassigns Medicare benefits to 2 organizations: United Medical Centers (Eagle Pass, TX) and Dr Sergio Zamora, PA (Eagle Pass, TX). 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 Jay Siu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jay Siu accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Jay Siu 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 Jay Siu was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.