Dr. Peter Tae-Jin Chang, MD

Dr. Chang practices at Baylor College of Medicine Ambulatory Surgery Center in Houston, Texas.

Dr. Chang's NPI, 1568451797, was assigned on October 20, 2005. Dr. Chang graduated from Heersink School of Medicine - Birmingham in 1999. Dr. Chang holds Texas license L8645.

Dr. Chang's primary practice is Baylor College of Medicine Ambulatory Surgery Center, at 1977 Butler Blvd, Houston, TX 77030 in Harris County. The practice phone is (713) 798-2246.

Dr. Chang's primary practice is Baylor College of Medicine Ambulatory Surgery Center in Houston, Texas. Dr. Chang is also affiliated with Harris Health Ben Taub Hospital. The medical group on file is Baylor Medicine. Dmand AI also links Dr. Chang to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 4 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 2 states: Texas and Florida.

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

CMS data shows 4,013 Medicare services from Dr. Chang across 24 procedure codes in 2024, for 821 Medicare patients. Medicare paid $341,189 for them.

CMS counts 821 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 384 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 73, with 55% women.

In 2024, Dr. Chang wrote 5,181 Medicare Part D claims for 967 patients. 61% of them were for generic drugs. CMS names the drug for 4,959 of them, across 37 drugs with 11 or more claims each, at $800,505 in total drug cost. In 2023, CMS named 4,900 claims across 41 drugs.

Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 87 procedures of cataract surgery by Dr. Chang, more than 72% of the clinicians it reports for that procedure.

Dmand AI links 13 papers to Dr. Chang, published from 2012 to 2025. 2012 was the busiest year, with 2. The most frequent topics are Intraocular Pressure, Antihypertensive Agents and Glaucoma. Dr. Chang has published most often in J Glaucoma. Dr. Chang's most frequent co-authors are Lauren Sasha Blieden, MD, Benjamin Jay Frankfort, MD, PhD and Silvia D. Orengo-Nania, MD.

Dmand AI links Dr. Chang to 4 clinical trials, 2 of them phase 3 studies. Conditions studied include Glaucoma, Ocular Hypertension and Glaucoma, Open-Angle.

CMS Open Payments shows 1,417 general payments to Dr. Chang from 35 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 71% of the total. Abbvie Inc. paid the most, $378,708.

Dmand AI lists 2 awards for Dr. Chang, most recently CMS Stage 1 EHR in 2013.

Dr. Chang graduated from Heersink School of Medicine - Birmingham in 1999. Dr. Chang is a member of AAO, American Glaucoma Society and TMA.

Dr. Chang is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.