Norman Chung
Optometrist · Orange, CA
Norman Chung is an optometrist with a practice address in Orange, California, and NPI 1154958791, issued on Mar 24, 2020. Check the license (California 34622TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Norman Chung
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34622TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 293 S Main St Ste 100, Orange, CA 92868
- Phone
- (714) 352-2911
- Enumerated
- Mar 24, 2020
- Record last updated
- May 7, 2025
- Fax
- (657) 221-0805
- Medicare enrollment
- Enrolled (PECOS I20210408002820); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 293 S Main St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Nguyen, ODOptometrist1538651948
Verify Norman Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34622TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
67 Medicare Part D claims for 18 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Latanoprost42 claims
- Timolol Maleate14 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
- Serve The People, Inc.Santa Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Norman Chung among 8,308 optometrist records in California
Norman Chung 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 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2020 · median 2008 among the 3,573 with a school on file
- Record last updated2025 · 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 Orange → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Allen Austin, O. D.Orange, CA 928681386638476
- Howard Austin, O.D.Orange, CA 928681932193018
- Hector Carrillo, ODOrange, CA 928681609587831
- Amanda Dawe, O.D.Orange, CA 928681659302198
- Carolyn Duong, ODOrange, CA 928681073878096
- Pamela Falk, ODOrange, CA 928681811989262
- Jay Kwok, O.D.Orange, CA 928681275783607
- Jenny Mach-Hung, O.D.Orange, CA 928681326170994
Common questions
What is Norman Chung's NPI number?
Norman Chung's National Provider Identifier (NPI) is 1154958791, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Norman Chung located?
The NPPES record lists a practice address at 293 S Main St Ste 100, Orange, CA, 92868. Phone: (714) 352-2911. Providers update this record themselves, so call before visiting.
How can I verify Norman Chung's license?
NPPES lists California license number 34622TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Norman Chung prescribe under Medicare Part D?
In 2024, Norman Chung had 67 Medicare Part D claims for 18 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.