DR. BRIAN ADAM MARUYAMA PH.D.
NPI 1063708451
Psychologist in Merced, CA
About Dr. Brian Adam Maruyama Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN ADAM MARUYAMA PH.D. (NPI 1063708451) is an individual psychologist in Merced, California, licensed in California (32647) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Brian Adam Maruyama Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Brian Maruyama 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.
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 Brian Maruyama's NPI number?
The NPI number for Brian Maruyama is 1063708451. It was assigned to this individual provider in the NPPES registry on June 23, 2011.
Where is Brian Maruyama located?
Brian Maruyama practices at 1168 Sentinel Ct, Merced, CA 95340. The listed phone number is (209) 631-6572.
What is Brian Maruyama's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Brian Maruyama enrolled in Medicare?
Yes. Brian Maruyama is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Brian Maruyama's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Maruyama 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 Brian Maruyama'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 Brian Maruyama was last updated on September 19, 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.