Dr. Kenneth Kwan-Hyun Chang, MD, MPH

Dr. Chang practices at Eye Surgery Center of Hawaii in Hon, Hawaii.

Dr. Chang's NPI, 1134236821, was assigned on August 25, 2006. Dr. Chang graduated from John A. Burns School of Medicine in 2002. Dr. Chang holds Hawaii license MD17620.

Dr. Chang's primary practice is Eye Surgery Center of Hawaii, at 650 Iwilei Rd, Suite 225, Hon, HI 96817. The practice phone is (808) 356-4300.

Dr. Chang's primary practice is Eye Surgery Center of Hawaii in Hon, Hawaii. Dr. Chang is also affiliated with The Queen's Medical Center. Dmand AI also links Dr. Chang to 4 more medical groups, 3 group practices and clinics and 1 physician office, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 6 sites in all. Vendor and product names are available with a free account.

Ophthalmology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chang is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chang's licenses on file in 5 states: Hawaii, California, Guam, Maine and Massachusetts.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, eyelid inflammation, glaucoma, glaucoma surgery, inflammation of iris and laser destruction of retinal or choroid lesions among the conditions Dr. Chang treats.

CMS data shows 2,642 Medicare services from Dr. Chang across 22 procedure codes in 2024, for 513 Medicare patients. Medicare paid $135,616 for them.

CMS counts 513 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 207 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 74, with 55% women.

In 2024, Dr. Chang wrote 1,477 Medicare Part D claims for 399 patients. 62% of them were for generic drugs. CMS names the drug for 1,358 of them, across 22 drugs with 11 or more claims each, at $251,694 in total drug cost. In 2023, CMS named 1,138 claims across 19 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Chang for performance year 2024, reported individually. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 161 procedures of cataract surgery by Dr. Chang, more than 81% of the clinicians it reports for that procedure.

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 12 papers to Dr. Chang, published from 2012 to 2022. 2013 was the busiest year, with 3. The most frequent topics are Ophthalmology, Cataract Extraction and Internship and Residency. Dr. Chang has published most often in Int Ophthalmol Clin. Dr. Chang's most frequent co-authors are Sheila Borboli-Gerogiannis, MD, Stacey Candice Brauner, MD and Teresa C. Chen, MD.

CMS Open Payments shows 290 general payments to Dr. Chang from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Alcon Laboratories Inc paid the most, $3,150.

Dr. Chang graduated from John A. Burns School of Medicine in 2002. Dr. Chang is a member of AAO.

Dr. Chang is in network with 21 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.