Dr. Gary A. Knudson, MD

Dr. Knudson practices at MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health.

Dr. Knudson's NPI, 1700813441, was assigned on June 27, 2006. Dr. Knudson holds Iowa license 32397.

Dr. Knudson's primary practice is MercyOne Waterloo Medical Center, at 3421 West Ninth Street, Waterloo, IA 50702 in Black Hawk County. The practice phone is (319) 272-8000.

Dr. Knudson's primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health. Dr. Knudson is also affiliated with Waverly Health Center. The medical group on file is MercyOne Waterloo OB/GYN. Dmand AI also links Dr. Knudson to 1 more hospital and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knudson practices, 4 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Knudson's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Knudson is licensed in Iowa.

CMS data shows 1,648 Medicare services from Dr. Knudson across 23 procedure codes in 2024, for 513 Medicare patients. Medicare paid $91,039 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 513 Medicare patients who saw Dr. Knudson in 2024. The largest group is 65 to 74, with 250 patients. 75% of them have arthritis, and 75% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Knudson's median patient age at 70, with 61% women.

In 2024, Dr. Knudson wrote 125 Medicare Part D claims for 67 patients. 100% of them were for generic drugs. CMS names the drug for 110 of them, across 2 drugs with 11 or more claims each, at $112 in total drug cost. In 2023, CMS named 124 claims across 2 drugs.

Dr. Knudson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 61 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Knudson, more than 90% of the clinicians it reports for that procedure.

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

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

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

CMS Open Payments shows 123 general payments to Dr. Knudson from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Smith & Nephew, Inc. paid the most, $481.