Updated November 2026How we check doctors
Same order as the list above. A comparison, not a ranking.
| Doctor | Type | Education and training | Reviews |
|---|---|---|---|
| John H. Wollner, MD | Concierge · Dermatology physician | Internal medicine at Valley Medical Center of Fresno and dermatology at the University of Washington | |
| Ava Feldman, DO | Concierge · Dermatology physician | ||
| Erin Ducharme, MD | Concierge · Dermatology physician | Dermatology, Texas A&M (Baylor Scott & White), Temple, Texas | |
| Amanda Van Wyk, PA-C | Concierge · Dermatology physician assistant | ||
| Natalie Steinhoff, DO | Concierge · Dermatology physician | ||
| Steven L. Harlan, MD | Concierge · Dermatology physician | ||
| Jessica Sanford, NP-C | Concierge · Dermatology nurse practitioner | Chamberlain University (BSN, 2017) | |
| David P. Boysen, MD | Concierge · Dermatology physician | Dermatology, University of Iowa Hospitals and Clinics | 5.0 (10) |
| Thomas C. Boysen, MD | Concierge · Dermatology physician | ||
| Jennifer L. Herrmann, MD | Concierge · Dermatology physician | Dermatology, University of Alabama at Birmingham (Chief Resident) | 5.0 (9) |
FindMyDirectDoctor lists 10 autoerythrocyte sensitivity specialists in Iowa. We last checked this list in November 2026.
We confirmed board certification for 8 doctors on this list. Each profile shows the board and the specialty.
2 of the 10 doctors have patient reviews on FindMyDirectDoctor, 19 reviews in total. Each tile shows the doctor's rating and review count.
It depends on the practice. Many direct primary care and concierge practices charge a membership fee instead of billing insurance for office visits, and some also accept insurance. Each profile says how its practice works when the practice states it.