RIKU MORIGUCHI MD
NPI 1255892048
Emergency Medicine in San Diego, CA
About Riku Moriguchi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIKU MORIGUCHI MD (NPI 1255892048) is an individual emergency medicine provider in San Diego, California, licensed in California (A187639) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Riku Moriguchi 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 Reassignments
4Medicare enrollment records show Riku Moriguchi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 526 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 221 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 75 clinicians in this Medicare group
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 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 8
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 92103 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Riku Moriguchi's NPI number?
The NPI number for Riku Moriguchi is 1255892048. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is Riku Moriguchi located?
Riku Moriguchi practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Riku Moriguchi's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Riku Moriguchi enrolled in Medicare?
Yes. Riku Moriguchi 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 Riku Moriguchi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Riku Moriguchi reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Diego, CA), Regents Of The University Of California (San Diego, CA), Pacific Emergency Providers, A Prof. Corp. (San Diego, CA) and Southern California Permanente Medical Group (San Diego, CA). 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 Riku Moriguchi'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 Riku Moriguchi was last updated on July 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Riku Moriguchi, MD · NPI 1255892048
Emergency Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1255892048 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A187639 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1003934803, San Diego, CA); Regents Of The University Of California (NPI 1780870899, San Diego, CA); Pacific Emergency Providers, A Prof. Corp. (NPI 1497790539, San Diego, CA); Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255892048) · Data from the CMS NPPES public registry.