Dr. Bill K. Chang, MD

Dr. Chang practices at Bill K Chang MD PA in Webster, Texas.

Dr. Chang's NPI, 1043321698, was assigned on August 31, 2006. Dr. Chang graduated from UT Southwestern Medical Center in 2000. Dr. Chang holds Texas license M3980.

Dr. Chang's primary practice is Bill K Chang MD PA, at 1560 Live Oak St, Webster, TX 77598 in Harris County. The practice phone is (281) 554-8919.

Dr. Chang's primary practice is Bill K Chang MD PA in Webster, Texas. Dr. Chang is also affiliated with HCA Houston Healthcare Clear Lake. The medical group on file is Q Health Partners. Dmand AI also links Dr. Chang to 1 more hospital, 1 physician office and 1 ambulatory surgery center, 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.

Vascular surgery is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Chang is board certified in surgery by the American Board of Surgery. Dr. Chang is licensed in Texas.

Dmand AI lists amputation, blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, deep vein thrombosis (DVT), leg revascularization, peripheral vascular disease and varicose veins among the conditions Dr. Chang treats.

CMS data shows 1,139 Medicare services from Dr. Chang across 20 procedure codes in 2024, for 296 Medicare patients. Medicare paid $125,945 for them.

CMS counts 296 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 5.41, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 70, with 49% women.

In 2024, Dr. Chang wrote 393 Medicare Part D claims for 201 patients. 85% of them were for generic drugs. CMS names the drug for 368 of them, across 8 drugs with 11 or more claims each, at $61,458 in total drug cost. In 2023, CMS named 424 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 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 69 procedures of leg revascularization (restoring blood flow) by Dr. Chang, more than 97% of the clinicians it reports for that procedure.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 2 papers to Dr. Chang in 2020.

CMS Open Payments shows 133 general payments to Dr. Chang from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Silk Road Medical, Inc. paid the most, $998.

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

Dr. Chang graduated from UT Southwestern Medical Center in 2000. Dr. Chang is a member of ACS and SVS.

Dr. Chang is in network with 22 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.