William H. Stilwell, FNP

William Stilwell practices at Oswego Health Medical Practice in Oswego, New York.

William Stilwell's NPI, 1407102734, was assigned on July 24, 2012. William Stilwell holds New York license 337400.

William Stilwell's primary practice is Oswego Health Medical Practice, at 140 W 6th St, Oswego, NY 13126 in Oswego County. The practice phone is (315) 349-5511.

William Stilwell's primary practice is Oswego Health Medical Practice in Oswego, New York. William Stilwell is also affiliated with Oswego Hospital. The medical group on file is Oswego Health Medical Practice. Dmand AI also links William Stilwell to 2 more medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where William Stilwell practices. Vendor and product names are available with a free account.

Family is William Stilwell's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. William Stilwell is licensed in New York.

CMS counts 165 Medicare patients who saw William Stilwell in 2024. The largest group is 65 to 74, with 61 patients. 73% of them have high cholesterol, and 66% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Stilwell's median patient age at 70, with 45% women.

In 2024, William Stilwell wrote 294 Medicare Part D claims for 236 patients. 94% of them were for generic drugs.

William Stilwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 13 general payments to William Stilwell from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $77.