Gina Jung Eun Koo, OD
Optometrist · Van Nuys, CA
Gina Jung Eun Koo, OD is an optometrist with a practice address in Van Nuys, California, and NPI 1437709383, issued on Sep 12, 2019. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gina Jung Eun Koo
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 0618002819 VA
Self-reported in NPPES; status is on the state search - Practice location
- 6727 Sylmar Ave Apt 209, Van Nuys, CA 91405
- Phone
- (818) 405-6404
- Enumerated
- Sep 12, 2019
- Record last updated
- Jun 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210310000973); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Gina Jung Eun Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average optometrist in 2024
153 Medicare Part D claims for 111 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Erythromycin106 claims
- Neomycin-Polymyxin-Dexameth15 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gina Jung Eun Koo among 8,308 optometrist records in California
Gina Jung Eun Koo, 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2017 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Van Nuys → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Narine Azarian, O.D.Van Nuys, CA 914051578046546
- Jeannette Iriarte, O.DVan Nuys, CA 914051720069644
- Harout Khanjian, O.D.Van Nuys, CA 914051467878249
- Julie Kim, O.D.Van Nuys, CA 914051336292721
- Hetty Kim, O.D.Van Nuys, CA 914051720115850
- Hanh Le, O.D.Van Nuys, CA 914051023098613
- Nga Lu, ODVan Nuys, CA 914051437278819
- Naro Marukian, O.D.Van Nuys, CA 914051770998882
Common questions
What is Gina Jung Eun Koo, OD's NPI number?
Gina Jung Eun Koo, OD's National Provider Identifier (NPI) is 1437709383, issued on Sep 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gina Jung Eun Koo, OD located?
The NPPES record lists a practice address at 6727 Sylmar Ave Apt 209, Van Nuys, CA, 91405. Phone: (818) 405-6404. Providers update this record themselves, so call before visiting.
How can I verify Gina Jung Eun Koo, OD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gina Jung Eun Koo, OD prescribe under Medicare Part D?
In 2024, Gina Jung Eun Koo, OD had 153 Medicare Part D claims for 111 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
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.