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If you live in Lake St. Louis, Missouri, and are looking for trusted, in-person dermatology care, St. Louis Dermatology & Cosmetic Surgery offers comprehensive evaluation and treatment just a short drive away in Troy, MO. Our approach is straightforward and medically grounded—focused on accurate diagnosis, thoughtful treatment planning, and long-term skin health.

We care for individuals and families throughout Lake St. Louis and Wentzville, providing personalized recommendations in a professional, patient-centered environment.

  • Locally owned, community-focused care
    • We prioritize relationships and continuity. You’ll see a team that values long-term trust—not transactional visits.
  • Advanced medical training
  • Care tailored to the individual
    • No two patients are the same. We take time to understand your concerns, explain options clearly, and develop a plan that fits your needs.
  • In-person access to specialized expertise
    • For patients who may need procedural dermatology or advanced skin cancer evaluation, you have access to fellowship-trained care close to home.

Medical Dermatology

Our office provides comprehensive medical dermatology for Missouri residents. We treat acne, perform skin cancer screenings, evaluate and remove moles, and manage chronic conditions such as eczema, psoriasis, and rosacea. We also treat warts, cysts, and other benign skin growths. Every diagnosis and treatment plan is tailored to the individual, with a focus on long-term skin health and evidence-based care.

Cosmetic Dermatology

We offer cosmetic dermatology services designed to enhance natural features while maintaining balance and expression. Treatments include dermal fillers for facial restoration; acne scar treatments such as subcision, microneedling, and laser procedures; and laser treatments for pigmentation and sun damage. Each cosmetic consultation includes personalized recommendations based on your goals, skin type, and desired downtime. Results vary, and a consultation is required.

Surgical Procedures

Our practice provides advanced surgical dermatology with careful attention to both medical precision and cosmetic outcome. We perform skin cancer excisions, cyst and lipoma removal, scar revision procedures, and reconstructive repairs when needed following skin cancer removal or trauma. Dr. Beal’s fellowship training in facial plastic and reconstructive surgery allows for thoughtful repair techniques that aim to preserve both function and appearance.

Mohs Surgery

For certain types of skin cancer, Mohs Micrographic Surgery may be recommended. Dr. Beal is fellowship-trained in this specialized, tissue-sparing technique that enables precise removal of cancer while preserving as much healthy tissue as possible. During the procedure, tissue is examined under a microscope in real time to ensure clear margins before reconstruction. When appropriate, repairs are completed the same day to optimize healing and cosmetic outcomes.

That’s exactly what we’re here for. If you’ve noticed a new rash, persistent acne, or a changing spot, we can evaluate it and determine whether treatment or monitoring is appropriate.

Availability varies depending on the type of visit you need. Our team will work to schedule you as promptly as possible based on medical urgency and availability.

If you have a history of significant sun exposure, changing moles, or a personal or family history of skin cancer, periodic skin exams may be recommended. We can help determine the right schedule for you.

That’s completely fine. Bring any prior records or pathology reports if available, and we’ll review your history as part of your evaluation.

Joycelyn Archer
5 days ago
Great doctor an nice staff
Response from the owner:Thanks for taking the time to share your positive experience. We truly appreciate it!
Jenny Kroeger
7 days ago
Staff is super friendly and professional. Appt was thorough and quick. Treatment was explained clearly. Highly recommend St.Louis Dermatology!
Response from the owner:We are thrilled to learn that you had a positive experience with us!
Evan Smith
1 week ago
Response from the owner:Thank you so much for leaving us a stellar review!
Kelsey Atteberry
2 weeks ago
Dr. Beal and everyone in his office were very friendly and courteous. I got into the office relatively fast as a new patient. They all listened to me when I talked about my concerns and why I was there for my visit. Every follow up has been thorough and my surgical scars have healed beautifully after my procedures.
Response from the owner:Your feedback is highly appreciated. Thank you for the review!
Kathleen Horn
2 weeks ago
They have a very professional staff. Kayleigh Nissel was very nice and personable. Overall experience was pleasant. Thank you!
Response from the owner:We appreciate the kind words and are glad we could provide you with a positive experience!
Trisha Johnson
2 weeks ago
Doctor and staff were great. Explained everything so I understood.
Response from the owner:Thanks for taking the time to share your positive experience. We truly appreciate it!
Brian Letendre
2 weeks ago
For a first visit I was in for a full body screening. Cancer runs in my family, so I can't be too careful. The team was very polite and professional. Thanks
Response from the owner:We are thrilled to learn that you had a positive experience with us!
Lisa Wilson
2 weeks ago
The staff at STL DERMATOLOGY is warm, welcoming, caring and professional. If you are looking for a new dermatologist, I would check them out!
Response from the owner:Thank you so much for leaving us a stellar review!
AmericanVantige
2 weeks ago
Response from the owner:Your feedback is highly appreciated. Thank you for the review!
Daffanee Vogt
2 weeks ago
Everyone is very welcoming and nice . No long wait time . The facility is very clean and Spacious.
Response from the owner:We appreciate the kind words and are glad we could provide you with a positive experience!

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