Duane A. Chang, O.D.
Optometrist · Waipahu, HI
Duane A. Chang, O.D. is an optometrist with a practice address in Waipahu, Hawaii, and NPI 1659318244, issued on Jun 1, 2006. Check the license (Hawaii 267, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Duane A. Chang
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 267 HI
Self-reported in NPPES; status is on the state search - Practice location
- 94-050 Farrington Hwy, Waipahu, HI 96797
- Phone
- (808) 677-1544
- Enumerated
- Jun 1, 2006
- Record last updated
- Dec 14, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (808) 671-3538
- Medicaid IDs
- 04135901 HI
04135902 HI - Medicare enrollment
- Enrolled (PECOS I20120123000421); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 1988
- Entity
- Type 1 · individual
8 nearest optometrist records → All 353 in Hawaii → Look up another NPI →
Also registered at 94-050 Farrington Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Duane A. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license 267Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average optometrist in 2024
45 Medicare Part D claims for 17 beneficiaries, 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
- Latanoprost25 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: $110.13
2 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
- Vision Care Center OF Hawaii LLCWaipahu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Duane A. Chang among 353 optometrist records in Hawaii
Duane A. Chang, O.D. is one of 353 optometrist records with a practice address in Hawaii. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2003 among the 218 with a school on file
- Record last updated2007 · 72% 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 Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 optometrist records list a practice address in Waipahu
They are 33 of the 1,605 NPPES records with a practice address in Waipahu, and 353 optometrist records in Hawaii.
All 353 in Hawaii → Every provider in Waipahu → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Russell Au, ODWaipahu, HI 967971043329832
- Janice Durham-Worthington, ODWaipahu, HI 967971689774408
- Christine Ewing, ODWaipahu, HI 967971437196466
- James Fujisaki, ODWaipahu, HI 967971427125822
- Kathy Ishimoto, O.D.Waipahu, HI 967971275681405
- Neal Kubo, O.D.Waipahu, HI 967971205880804
- Lydia Lem, ODWaipahu, HI 967971487754198
- Roy Matsumoto, O.D.Waipahu, HI 967971437250826
Common questions
What is Duane A. Chang, O.D.'s NPI number?
Duane A. Chang, O.D.'s National Provider Identifier (NPI) is 1659318244, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duane A. Chang, O.D. located?
The NPPES record lists a practice address at 94-050 Farrington Hwy, Waipahu, HI, 96797. Phone: (808) 677-1544. Providers update this record themselves, so call before visiting.
How can I verify Duane A. Chang, O.D.'s license?
NPPES lists Hawaii license number 267, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Duane A. Chang, O.D. prescribe under Medicare Part D?
In 2024, Duane A. Chang, O.D. had 45 Medicare Part D claims for 17 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.