Catherine Junghye Han, O.D.
Optometrist · Porter Ranch, CA
Catherine Junghye Han, O.D. is an optometrist with a practice address in Porter Ranch, California, and NPI 1871685420, issued on Sep 29, 2006. Check the license (California 11143T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Junghye Han
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11143T CA
Self-reported in NPPES; status is on the state search - Practice location
- 19733 Rinaldi St, Porter Ranch, CA 91326
- Phone
- (818) 832-4646
- Enumerated
- Sep 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 368-9898
- Medicaid ID
- SD0111430 CA
- Medicare enrollment
- Enrolled (PECOS I20041105000434); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1999
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 19733 Rinaldi St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lizette De Ramos, O.D.Optometrist1699181933
Verify Catherine Junghye Han in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11143TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average optometrist in 2024
35 Medicare Part D claims for 12 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.
Most prescribed
- Latanoprost14 claims
- Restasis12 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.
Industry payments in 2024: $2,687.90
16 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.
Catherine Junghye Han among 8,308 optometrist records in California
Catherine Junghye Han, O.D. 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
- Graduated1999 · median 2008 among the 3,573 with a school on file
- Record last updated2007 · 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).
4 optometrist records list a practice address in Porter Ranch
They are 4 of the 275 NPPES records with a practice address in Porter Ranch, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Porter Ranch → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Martha Buckley, O.D.Porter Ranch, CA 913261376844993
- Lizette De Ramos, O.D.Porter Ranch, CA 913261699181933
- Hardeep Kataria, O.DPorter Ranch, CA 913261043564362
- Mariam Khalid, ODNorthridge, CA 913261083271027
- Hannah Ku, ODNorthridge, CA 913261114856846
- Michael Terzian, O.D.Northridge, CA 913261134253693
- Arpi Galstyan, ODNorthridge, CA 913251316747462
- George Wolfus, ODNorthridge, CA 913251487644365
Common questions
What is Catherine Junghye Han, O.D.'s NPI number?
Catherine Junghye Han, O.D.'s National Provider Identifier (NPI) is 1871685420, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Junghye Han, O.D. located?
The NPPES record lists a practice address at 19733 Rinaldi St, Porter Ranch, CA, 91326. Phone: (818) 832-4646. Providers update this record themselves, so call before visiting.
How can I verify Catherine Junghye Han, O.D.'s license?
NPPES lists California license number 11143T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Junghye Han, O.D. prescribe under Medicare Part D?
In 2024, Catherine Junghye Han, O.D. had 35 Medicare Part D claims for 12 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.