DR. JOY TAMIKO MATSUI M.D., PH.D.
NPI 1912351230
Radiology - Vascular & Interventional Radiology in Dallas, TX
About Dr. Joy Tamiko Matsui M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOY TAMIKO MATSUI M.D., PH.D. (NPI 1912351230) is an individual vascular & interventional radiology provider in Dallas, Texas, licensed in Arizona (65237) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
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. Joy Tamiko Matsui M.d., Ph.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 Joy Matsui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 447 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 156 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 52
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 75390 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.
DALLAS, TX 75390
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 Joy Matsui's NPI number?
The NPI number for Joy Matsui is 1912351230. It was assigned to this individual provider in the NPPES registry on April 22, 2016.
Where is Joy Matsui located?
Joy Matsui practices at 5323 Harry Hines Blvd, Dallas, TX 75390. The listed phone number is (214) 648-8004.
What is Joy Matsui's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Joy Matsui enrolled in Medicare?
Yes. Joy Matsui 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 Joy Matsui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joy Matsui reassigns Medicare benefits to 2 organizations: Sonoran Radiology Ltd (Mesa, AZ) and Southwest Diagnostic Imaging LLC (Scottsdale, 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 Joy Matsui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joy Matsui accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Joy Matsui 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 Joy Matsui was last updated on March 12, 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.