DR. JUN YAMANOKUCHI MATSUI MD
NPI 1649508219
Orthopaedic Surgery - Hand Surgery in Saint Louis, MO
About Dr. Jun Yamanokuchi Matsui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUN YAMANOKUCHI MATSUI MD (NPI 1649508219) is an individual hand surgery provider in Saint Louis, Missouri, licensed in Missouri (2013004673) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
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. Jun Yamanokuchi Matsui Md 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 Jun Matsui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Jun Matsui's NPI number?
The NPI number for Jun Matsui is 1649508219. It was assigned to this individual provider in the NPPES registry on November 19, 2009.
Where is Jun Matsui located?
Jun Matsui practices at 4921 Parkview Pl Ste 6a/6b/12a, Saint Louis, MO 63110. The listed phone number is (314) 747-2500.
What is Jun Matsui's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is Jun Matsui enrolled in Medicare?
Yes. Jun 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 organization bills Medicare for Jun Matsui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jun Matsui reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Jun Matsui'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 Jun Matsui was last updated on December 20, 2021. 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.