John G. Thomsen, OD

John Thomsen practices at Optical Matters in Loveland, Colorado.

John Thomsen's NPI, 1205801941, was assigned on February 17, 2006. John Thomsen graduated from University of Houston - College of Optometry in 1999. John Thomsen holds Iowa license 1938T.

John Thomsen's primary practice is Optical Matters, at 2249 W Eisenhower Blvd, Loveland, CO 80537-3147. The practice phone is (970) 669-4587.

John Thomsen's primary practice is Optical Matters in Loveland, Colorado. Dmand AI also links John Thomsen to 2 medical groups, each named with a free account.

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

Optometrist is John Thomsen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Thomsen is licensed in Iowa.

CMS counts 490 Medicare patients who saw John Thomsen in 2024. The largest group is 65 to 74, with 220 patients. 74% of them have high blood pressure, and 65% have high cholesterol. 9% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John Thomsen's median patient age at 71, with 56% women.

In 2024, John Thomsen wrote 496 Medicare Part D claims for 98 patients. 77% of them were for generic drugs.

John Thomsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 58 procedures of cataract surgery by John Thomsen, more than 66% of the clinicians it reports for that procedure.

CMS Open Payments shows 2 general payments to John Thomsen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $71.

John Thomsen graduated from University of Houston - College of Optometry in 1999.