Crystal A. Wilken, ARNP

Crystal Wilken practices at Cedar Valley Medical Specialists in Waterloo, Iowa.

Crystal Wilken's NPI, 1720487838, was assigned on August 14, 2014. Crystal Wilken holds Iowa license A127007.

Crystal Wilken's primary practice is Cedar Valley Medical Specialists, at 1753 W Ridgeway Ave, Waterloo, IA 50701 in Black Hawk County. The practice phone is (319) 235-5390.

Crystal Wilken's primary practice is Cedar Valley Medical Specialists in Waterloo, Iowa. Crystal Wilken is also affiliated with Waverly Health Center. The medical group on file is Cedar Valley Medical Specialists. Dmand AI also links Crystal Wilken to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Crystal Wilken practices, 2 sites in all. Vendor and product names are available with a free account.

Nurse practitioner is Crystal Wilken's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Crystal Wilken is licensed in Iowa.

CMS counts 820 Medicare patients who saw Crystal Wilken in 2024. The largest group is 65 to 74, with 362 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 1% 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 Crystal Wilken's median patient age at 75, with 52% women.

In 2024, Crystal Wilken wrote 1,041 Medicare Part D claims for 343 patients. 95% of them were for generic drugs.

Crystal Wilken accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 5 general payments to Crystal Wilken from 4 drug and device companies in 2025. Food and beverage make up the largest share, 61% of the total. Sanofi and Genzyme US Companies paid the most, $110.