Isabell Hyejin Choi-Siritaratiwat, OD
Optometrist · Brea, CA
Isabell Hyejin Choi-Siritaratiwat, OD is an optometrist with a practice address in Brea, California, and NPI 1265514269, issued on Oct 19, 2006. Check the license (California OPT13003T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isabell Hyejin Choi-Siritaratiwat
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT13003T CA
Self-reported in NPPES; status is on the state search - Practice location
- 428 S Brea Blvd, Brea, CA 92821
- Phone
- (714) 529-2470
- Enumerated
- Oct 19, 2006
- Record last updated
- Mar 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (866) 801-4739
- Medicare enrollment
- Enrolled (PECOS I20070412000643); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2006
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 428 S Brea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Kirschen, OD, PHDPediatric Optometrist1821048141
Verify Isabell Hyejin Choi-Siritaratiwat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT13003TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average optometrist in 2024
375 Medicare Part D claims for 179 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Erythromycin66 claims
- Restasis57 claims
- Neomycin-Polymyxin-Dexameth48 claims
- Latanoprost44 claims
- Prednisolone Acetate36 claims
- Cyclosporine15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $191.82
9 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Harvard Eye Associates Fka Roger Ohanesian MD And Edward Kim MD IncSan Clemente, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabell Hyejin Choi-Siritaratiwat among 8,308 optometrist records in California
Isabell Hyejin Choi-Siritaratiwat, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2006 · median 2008 among the 3,573 with a school on file
- Record last updated2019 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 optometrist records list a practice address in Brea
They are 26 of the 1,052 NPPES records with a practice address in Brea, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Brea → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Diane Almanza, O.D.Brea, CA 928211790823839
- Vilma Carter, O.D.Brea, CA 928211902981343
- Vinh Dang, O.D.Brea, CA 928211699746917
- Elaine Hse, O.D.Brea, CA 928211750431573
- Trinh Lien, O.D.Brea, CA 928211427108059
- Benjamin MarumotoBrea, CA 928211821134891
- Lisa Matsui, O.D.Brea, CA 928211366502981
- Liz Nguyen, O.D.Brea, CA 928211528039740
Common questions
What is Isabell Hyejin Choi-Siritaratiwat, OD's NPI number?
Isabell Hyejin Choi-Siritaratiwat, OD's National Provider Identifier (NPI) is 1265514269, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isabell Hyejin Choi-Siritaratiwat, OD located?
The NPPES record lists a practice address at 428 S Brea Blvd, Brea, CA, 92821. Phone: (714) 529-2470. Providers update this record themselves, so call before visiting.
How can I verify Isabell Hyejin Choi-Siritaratiwat, OD's license?
NPPES lists California license number OPT13003T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Isabell Hyejin Choi-Siritaratiwat, OD prescribe under Medicare Part D?
In 2024, Isabell Hyejin Choi-Siritaratiwat, OD had 375 Medicare Part D claims for 179 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Isabell Hyejin Choi-Siritaratiwat, OD's MIPS final score?
The 2023 MIPS final score is 75.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.