Dr. William A. Heisel III, MD

Dr. Heisel practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana.

Dr. Heisel's NPI, 1508819772, was assigned on May 18, 2006. Dr. Heisel graduated from University Of Michigan Medical School in 1984. Dr. Heisel's Indiana license number on file is 01034463A.

Dr. Heisel's primary practice is Ascension St Vincent Hospital- Indianapolis, at 2001 W 86th St, Indianapolis, IN 46260 in Marion County. The practice phone is (317) 338-2172.

Dr. Heisel's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dr. Heisel is also affiliated with IU Health Methodist Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Heisel to 2 more hospitals, 2 group practices and clinics, 2 medical groups 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. Heisel practices, 6 sites in all. Vendor and product names are available with a free account.

General practice is Dr. Heisel's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Heisel is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Heisel's licenses on file in 2 states: Indiana and Wisconsin.

Dmand AI lists acute kidney failure, aneurysm, anxiety, asthma, atrial fibrillation and flutter, bronchitis, chest wall injury and chronic anemia among the conditions Dr. Heisel treats.

CMS data shows 497 Medicare services from Dr. Heisel across 11 procedure codes in 2024, for 158 Medicare patients. Medicare paid $35,222 for them. Every service was in an office.

CMS counts 158 Medicare patients who saw Dr. Heisel in 2026. The largest group is 65 to 74, with 93 patients. 72% of them have high blood pressure, and 70% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Heisel's median patient age at 56, with 33% women.

In 2026, Dr. Heisel wrote 4,463 Medicare Part D claims for 323 patients. 86% of them were for generic drugs. CMS names the drug for 3,807 of them, across 76 drugs with 11 or more claims each, at $415,591 in total drug cost. In 2023, CMS named 3,337 claims across 70 drugs.

Dr. Heisel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 9 general payments to Dr. Heisel from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Allergan Inc. paid the most, $103.

Dmand AI lists 1 award for Dr. Heisel, most recently CMS Stage 1 EHR in 2012.

Dr. Heisel graduated from University Of Michigan Medical School in 1984. Dr. Heisel is a member of Indiana State Medical Association.

Dr. Heisel is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.