THOMAS Y TSAI M.D.
NPI 1912010992
Family Medicine in Gilbert, AZ
About Thomas Y Tsai M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS Y TSAI M.D. (NPI 1912010992) is an individual family medicine provider in Gilbert, Arizona, licensed in Arizona (35344) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (2000).
NPPES Registry Identity
Specialties & Licenses
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
Thomas Y Tsai 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 Thomas Tsai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85206
- Reassigned Medicare billing, Arizona enrollment
- 123 clinicians in this Medicare group
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 49 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 5
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 85295 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 4
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GILBERT, AZ 85295
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 Thomas Tsai's NPI number?
The NPI number for Thomas Tsai is 1912010992. It was assigned to this individual provider in the NPPES registry on August 16, 2006.
Where is Thomas Tsai located?
Thomas Tsai practices at 2196 E Williams Field Rd #116, Gilbert, AZ 85295. The listed phone number is (480) 237-1395.
What is Thomas Tsai's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas Tsai enrolled in Medicare?
Yes. Thomas Tsai 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 Thomas Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Tsai reassigns Medicare benefits to 2 organizations: Iora Senior Health, LLC (Mesa, AZ) and Omg Arizona, LLC (Phoenix, AZ). 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 Thomas Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Tsai accept?
Health plans from Cigna HealthCare of Arizona, Inc list Thomas Tsai 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 Thomas Tsai was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.