David Chien-Ta Hwang, O.D
Optometrist · Orange, CA
David Chien-Ta Hwang, O.D is an optometrist with a practice address in Orange, California, and NPI 1578871133, issued on Sep 16, 2010. Check the license (California OPT14044TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Chien-Ta Hwang
- Credential
- O.D
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT14044TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 1122 E Lincoln Ave Ste 206, Orange, CA 92865
- Phone
- (714) 889-9689
- Enumerated
- Sep 16, 2010
- Record last updated
- Apr 29, 2022
- Fax
- (949) 726-1282
- Medicare enrollment
- Enrolled (PECOS I20110407000876); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 2010
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1122 E Lincoln Ave Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- An-Chi TsaiOptometrist1912669706
Verify David Chien-Ta Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT14044TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average optometrist in 2024
42 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of claims.
Most prescribed
- Latanoprost26 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.
David Chien-Ta Hwang among 8,308 optometrist records in California
David Chien-Ta Hwang, 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 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2010 · median 2008 among the 3,573 with a school on file
- Record last updated2022 · 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
- Tuan Huynh, O.D.Orange, CA 928651063561512
- Terry Metsovas, O.D.Orange, CA 928651891874301
- Pooja Naik, O.D.Orange, CA 928651073965232
- Cynthia Nguyen, O.D,Orange, CA 928651942339569
- Janis Nishimoto, O.D.Orange, CA 928651033307798
- Sochet Sao, O.D.Orange, CA 928651437347671
- An-Chi TsaiOrange, CA 928651912669706
- Gregory Char, ODOrange, CA 928661154481216
Common questions
What is David Chien-Ta Hwang, O.D's NPI number?
David Chien-Ta Hwang, O.D's National Provider Identifier (NPI) is 1578871133, issued on Sep 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David Chien-Ta Hwang, O.D located?
The NPPES record lists a practice address at 1122 E Lincoln Ave Ste 206, Orange, CA, 92865. Phone: (714) 889-9689. Providers update this record themselves, so call before visiting.
How can I verify David Chien-Ta Hwang, O.D's license?
NPPES lists California license number OPT14044TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Chien-Ta Hwang, O.D prescribe under Medicare Part D?
In 2024, David Chien-Ta Hwang, O.D had 42 Medicare Part D claims; 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.