# Best Dermatologists in Missouri (October 2026)

Updated October 2026. Source: https://bestdocs.us/missouri/dermatologists/

Dr. John Despain ranks first with a score of 88.9: 5.0 stars from 552 Google reviews; 42 years since medical school; accepts Medicare assignment. Dr. Luciann Hruza ranks second with a score of 85.6: 4.9 stars from 474 Google reviews; 38 years since medical school; accepts Medicare assignment. Dr. Jeffrey Petersen ranks third with a score of 85.4: 4.9 stars from 403 Google reviews; 31 years since medical school; accepts Medicare assignment.

1. **John Despain, MD** — Dermatologist, Osage Beach, MO. Score 88.9. Google 5.0 from 552 reviews; 42 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/john-despain-dermatologist-osage-beach-1932196433/)
2. **Luciann Hruza, MD** — Dermatologist, St. Louis, MO. Score 85.6. Google 4.9 from 474 reviews; 38 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/luciann-hruza-dermatologist-st-louis-1265477830/)
3. **Jeffrey Petersen, MD** — Dermatologist, Fenton, MO. Score 85.4. Google 4.9 from 403 reviews; 31 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/jeffrey-petersen-dermatologist-fenton-1275551707/)
4. **Anne Riordan, MD** — Dermatologist, Wildwood, MO. Score 85.1. Google 4.9 from 341 reviews; 34 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/anne-riordan-dermatologist-wildwood-1609985290/)
5. **Stacey Tull, MD** — Dermatologist, Cottleville, MO. Score 84.0. Google 4.9 from 327 reviews; 29 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/stacey-tull-dermatologist-cottleville-1467407239/)
6. **Robyn Fanderclai, MD** — Dermatologist, O Fallon, MO. Score 83.1. Google 4.9 from 767 reviews; 27 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/robyn-fanderclai-dermatologist-o-fallon-1457462418/)
7. **Rachel Qualley, MD** — Dermatologist, Wildwood, MO. Score 82.8. Google 4.9 from 193 reviews; 29 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/rachel-qualley-dermatologist-wildwood-1518078567/)
8. **Deborah Ohlhausen, MD** — Dermatologist, Kansas City, MO. Score 82.4. Google 4.9 from 119 reviews; 38 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/deborah-ohlhausen-dermatologist-kansas-city-1487620191/)
9. **Samantha McNail, MD** — Dermatologist, Farmington, MO. Score 81.1. Google 4.9 from 812 reviews; 25 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/samantha-mcnail-dermatologist-farmington-1902844459/)
10. **Wayne Breer, MD** — Dermatologist, Chesterfield, MO. Score 80.9. Google 4.9 from 78 reviews; 42 years since medical school; accepts Medicare assignment. [Profile](https://bestdocs.us/doctor/wayne-breer-dermatologist-chesterfield-1255324703/)

Ranked by the BestDocs score (https://bestdocs.us/methodology/), weighted toward independent third-party verified patient reviews (60%) over public anonymous reviews (40%). Sponsored placements never change rank.