Doctor profile · Federal record
Dr. Duane Chang, O.D.
Optometrist (CMS: Optometry) · Waipahu, HI
- NPI 1659318244
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
94-050 Farrington Hwy, Suite B1-1
Waipahu, HI 967971841
(808) 677-1544
fax (808) 671-3538
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 14, 2007
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Hawaii #267
- Medicaid (2)
- HI #04135901 · HI #04135902
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659318244. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
210
Distinct HCPCS
5
Medicare allowed
$13,460
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92250 |
Photography of the retina | 96 | 93 | $40 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 41 | 35 | $95 | |
92133 |
Imaging of optic nerve | 32 | 31 | $39 | |
92014 |
Established patient complete exam of visual system | 25 | 25 | $136 | |
92083 |
Exam of visual field with extended testing | 16 | 14 | $69 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 79. This provider delivers 2.7× the peer median.Open Payments
Industry payments received
All-time total
$110
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bausch & Lomb Americas Inc. | 2 | $110.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
27
Patients
12
Total drug cost
$651
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 27 | 12 | $651 |
Frequently asked questions
What is Dr. Duane Chang's medical specialty?
Dr. Duane Chang practices Optometrist in Waipahu, HI.
Where does Dr. Duane Chang practice?
Dr. Duane Chang practices at 94-050 Farrington Hwy, Waipahu, HI 967971841. Office phone: 8086771544.
What is Dr. Duane Chang's NPI?
Dr. Duane Chang's National Provider Identifier (NPI) is 1659318244, issued by NPPES.
Does Dr. Duane Chang accept Medicare assignment?
Yes. Dr. Duane Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Duane Chang commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.