DR. ISABELL HYEJIN CHOI-SIRITARATIWAT OD
NPI 1265514269
Optometrist in Brea, CA
About Dr. Isabell Hyejin Choi-siritaratiwat Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ISABELL HYEJIN CHOI-SIRITARATIWAT OD (NPI 1265514269) is an individual optometrist in Brea, California, licensed in California (OPT13003T) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2006).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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. Isabell Hyejin Choi-siritaratiwat 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 Isabell Choi-siritaratiwat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Harvard Eye Associates Fka Roger Ohanesian MD & Edward Kim MD Inc
- 21 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 10
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 92821 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
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 Isabell Choi-siritaratiwat's NPI number?
The NPI number for Isabell Choi-siritaratiwat is 1265514269. It was assigned to this individual provider in the NPPES registry on October 19, 2006.
Where is Isabell Choi-siritaratiwat located?
Isabell Choi-siritaratiwat practices at 428 S Brea Blvd, Brea, CA 92821. The listed phone number is (714) 529-2470.
What is Isabell Choi-siritaratiwat's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Isabell Choi-siritaratiwat enrolled in Medicare?
Yes. Isabell Choi-siritaratiwat 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 Isabell Choi-siritaratiwat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabell Choi-siritaratiwat reassigns Medicare benefits to Harvard Eye Associates (Laguna Hills, 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 Isabell Choi-siritaratiwat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isabell Choi-siritaratiwat accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Isabell Choi-siritaratiwat as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Isabell Choi-siritaratiwat was last updated on March 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Isabell Hyejin Choi-Siritaratiwat, OD · NPI 1265514269
Optometrist provider in Brea, California. Individual provider, active in the CMS NPPES registry since October 19, 2006.
## Identity
- **NPI:** 1265514269 (Entity type: Individual)
- **Enumerated:** October 19, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT13003T (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 428 S BREA BLVD, Brea, CA 92821-5301
- **Phone:** (714) 529-2470 · **Fax:** (866) 801-4739
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Harvard Eye Associates (NPI 1356371074, Laguna Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern California College Of Optometry, class of 2006
## Record status
- **NPPES last updated:** March 12, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1265514269) · Data from the CMS NPPES public registry.