GREGORY YAMAGUCHI OD
NPI 1922569938
Optometrist in Beverly Hills, CA
About Gregory Yamaguchi Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY YAMAGUCHI OD (NPI 1922569938) is an individual optometrist in Beverly Hills, California, licensed in California (OPT34640) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, 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
Gregory Yamaguchi Od 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 Gregory Yamaguchi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- 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 90211 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.
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 Gregory Yamaguchi's NPI number?
The NPI number for Gregory Yamaguchi is 1922569938. It was assigned to this individual provider in the NPPES registry on March 31, 2019.
Where is Gregory Yamaguchi located?
Gregory Yamaguchi practices at 250 N Robertson Blvd Ste 102, Beverly Hills, CA 90211. The listed phone number is (310) 385-3450.
What is Gregory Yamaguchi's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Gregory Yamaguchi enrolled in Medicare?
Yes. Gregory Yamaguchi 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 Gregory Yamaguchi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Yamaguchi reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Gregory Yamaguchi'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 Gregory Yamaguchi was last updated on December 8, 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.
# Gregory Yamaguchi, OD · NPI 1922569938
Optometrist provider in Beverly Hills, California. Individual provider, active in the CMS NPPES registry since March 31, 2019.
## Identity
- **NPI:** 1922569938 (Entity type: Individual)
- **Enumerated:** March 31, 2019
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT34640 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 N ROBERTSON BLVD STE 102, Beverly Hills, CA 90211-1767
- **Phone:** (310) 385-3450
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** December 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1922569938) · Data from the CMS NPPES public registry.