DR. DIANA REIKO SHIBA M.D.
NPI 1356557888
Ophthalmology in La Jolla, CA
About Dr. Diana Reiko Shiba M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANA REIKO SHIBA M.D. (NPI 1356557888) is an individual ophthalmology provider in La Jolla, California, licensed in California (A99649) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2005).
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. Diana Reiko Shiba M.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 Reassignment
Medicare enrollment records show Diana Shiba reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92093 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA JOLLA, CA 92093
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 Diana Shiba's NPI number?
The NPI number for Diana Shiba is 1356557888. It was assigned to this individual provider in the NPPES registry on May 14, 2007.
Where is Diana Shiba located?
Diana Shiba practices at 9415 Campus Point Dr # 257 Mc (0946), La Jolla, CA 92093. The listed phone number is (858) 336-2938.
What is Diana Shiba's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Diana Shiba enrolled in Medicare?
Yes. Diana Shiba 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 Diana Shiba's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Shiba reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Diana Shiba'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 Diana Shiba was last updated on December 6, 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.
# Dr. Diana Reiko Shiba, M.D. · NPI 1356557888
Ophthalmology physician in La Jolla, California. Individual provider, active in the CMS NPPES registry since May 14, 2007.
## Identity
- **NPI:** 1356557888 (Entity type: Individual)
- **Enumerated:** May 14, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A99649 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9415 CAMPUS POINT DR # 257, MC (0946), La Jolla, CA 92093-0946
- **Phone:** (858) 336-2938
## 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:** Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Davis School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** December 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1356557888) · Data from the CMS NPPES public registry.