Kenneth Chang, M.D., M.P.H.
NPI 1134236821 · Ophthalmology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Chang, M.D., M.P.H. is a Ophthalmology Physician provider in Honolulu, HI (NPI 1134236821).
Provider details
- NPI number
- 1134236821
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Male
- Sole proprietor
- No
- License
- MD17620 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,642 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Photography of Content of Eyes92285 | 452 | $25 |
| Photography of the Retina92250 | 426 | $36 |
| Established Patient Complete Exam of Visual System92014 | 322 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 | $93 |
| Exam of Visual Field With Extended Testing92083 | 159 | $68 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 143 | $24 |
| Imaging of Optic Nerve |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 233 | 79 |
| Latanoprost | 185 | 67 |
| Azelastine Hcl | 156 | 68 |
| Prednisolone Acetate | 129 | 92 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 102 | 82 |
| Cyclosporinebrand: Restasis | 84 | 25 |
| Moxifloxacin Hclbrand: Moxifloxacin | 75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,615 across 57 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1839 Laukahi StreetHonolulu, HI 96821-9682Phone: (808) 375-3669Fax: (808) 375-3669
Registry dates
- Enumerated
- 2006-08-25
- Last updated
- 2022-07-21
Frequently asked questions
- What is Kenneth Chang's NPI number?
- Kenneth Chang's National Provider Identifier (NPI) is 1134236821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Chang's specialty?
- Kenneth Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Chang located?
- Kenneth Chang's practice location on file with NPPES is 6600 Kalanianaole Hwy Ste 114c, Honolulu, HI 96825-1273.
- What is Kenneth Chang's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Chang is (808) 373-9373.
- Does Kenneth Chang accept Medicare?
- Kenneth Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Chang's NPI active?
- Yes — Kenneth Chang's NPI (1134236821) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.