RAY NEIL MITSUNO CRNA
NPI 1083113294
Nurse Anesthetist, Certified Registered in Oakland, CA
About Ray Neil Mitsuno Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAY NEIL MITSUNO CRNA (NPI 1083113294) is an individual nurse anesthetist, certified registered in Oakland, California, licensed in California (95000867) and active in the NPI registry since February 2018. He is a graduate of Other (2017).
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
Ray Neil Mitsuno Crna 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 Ray Mitsuno reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond, CA 94801
- 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 94611 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.
OAKLAND, CA 94611
OAKLAND, CA 94611
OAKLAND, CA 94611
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 Ray Mitsuno's NPI number?
The NPI number for Ray Mitsuno is 1083113294. It was assigned to this individual provider in the NPPES registry on February 3, 2018.
Where is Ray Mitsuno located?
Ray Mitsuno practices at 3600 Broadway, Oakland, CA 94611. The listed phone number is (510) 752-1000.
What is Ray Mitsuno's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ray Mitsuno enrolled in Medicare?
Yes. Ray Mitsuno 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 Ray Mitsuno's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ray Mitsuno reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Ray Mitsuno'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 Ray Mitsuno was last updated on January 3, 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.