Serving O’Fallon, Missouri

Dermatology & Cosmetic Surgery for O’Fallon, MO. Physician-owned, two nearby locations.

For O’Fallon residents, St. Louis Dermatology & Cosmetic Surgery offers medical dermatology, cosmetic surgery, and laser care in a locally owned, medically directed practice led by Dr. Brandon T. Beal — double board-certified in dermatology and Mohs surgery, fellowship-trained in facial plastic and reconstructive surgery. Our Chesterfield location is an easy drive away, with our original Troy office also serving the region.

4.9★★★★★760+ Google reviews
2020Established in Troy
2Missouri locations
St. Louis Dermatology & Cosmetic Surgery — serving O'Fallon, MO

Cleveland Clinic Residency

American College of Mohs Surgery

American Academy of Dermatology

Zitelli & Brodland Fellowship

A trusted dermatologist for O’Fallon, Missouri

O’Fallon and St. Charles County residents have specialist-level skin care close to home. Our Chesterfield location puts medical dermatology, cosmetic surgery, and advanced laser treatment within an easy drive, and our original Troy office continues to serve the wider region. We care for busy families and professionals from O’Fallon, Lake St. Louis, and the surrounding communities.

As a locally owned, medically directed practice, we prioritize personalized treatment plans over one-size-fits-all protocols. Whether you’re booking a routine skin exam, treating acne, or considering cosmetic surgery, care comes from Dr. Brandon T. Beal and our exceptional team — never a corporate chain. Most new patients are seen within the same week, and we accept Medicare and most major insurance for medical visits.

Call (314) 834-1400 or request an appointment online. With two Missouri locations — Troy and Chesterfield — we make specialist care convenient for O’Fallon families.

Before & after

Real results from our patients.

A selection of documented results across the conditions and procedures we treat most. Every photo is from a patient of this practice. Results vary.

Common questions

FAQs for O’Fallon patients.

What kinds of concerns should I come in for?

If something on your skin is bothering you — persistent, painful, changing, or simply uncertain — it’s reasonable to have it checked. We can evaluate it and guide you on the next steps, whether that’s treatment, monitoring, or reassurance.

What if I’m coming for a second opinion?

Second opinions are welcome. If you have prior records, biopsy results, or photos, bring them along and we’ll incorporate that information into your visit.

How should I prepare for my appointment?

Bring your ID, insurance card (if applicable), a list of your medications, and any relevant history. If you’re concerned about a specific area, note when it started and any changes you’ve observed.

Do you accept insurance?

We accept Medicare and work with many major insurance plans for medical dermatology. Coverage varies, so the best next step is to call — our team can help verify your specific plan details. Cosmetic procedures are typically self-pay.

4.9
★★★★★
From 760+ Google reviews
Google verified
Karen Diemer
8 hours ago
Response from the owner:We are thrilled to learn that you had a positive experience with us!
Paula Reed
2 days ago
Friendly, explains everything well.
Response from the owner:Thank you so much for leaving us a stellar review!
Emily Crane
2 days ago
All the ladies at the front desk were extremely helpful and very approachable. The space was super friendly and I felt well taken care of. Even got some sample products! 10 out of 10 recommend!
Response from the owner:Your feedback is highly appreciated. Thank you for the review!
My first experience here was AMAZING to say the very least Dr. Beal was fantastic, super kind and knowledgeable. I got liquid rhinoplasty. below are my results it’s EXACTLY what I wanted. Not to mention all of the front desk woman were super kind and Victoria helped so much during my appointment to make me comfortable. If you’re looking for compassionate and professional people I would absolutely recommend going to this place! Thank you everyone who helped!
Response from the owner:We appreciate the kind words and are glad we could provide you with a positive experience!
Janice Riggins
4 days ago
Christine & Alexis was amazing! They made me feel so comfortable and at ease. Dr. Beal made me feel comfortable he was understanding and offered advice for future visits. Susan at the front desk as well was helpful and friendly. I love an office with pleasant staff. I drive over an hour to get to the office and it’s well worth it.
Response from the owner:Thanks for taking the time to share your positive experience. We truly appreciate it!
S R
6 days ago
Right from the front desk to leaving was a great experience. I will for sure refer you to all my friends and relatives. GREAT SERVICE ☆☆☆☆☆
Response from the owner:We are thrilled to learn that you had a positive experience with us!
NANCY WYATT
7 days ago
Response from the owner:Your feedback is highly appreciated. Thank you for the review!
Jim Jillson
7 days ago
I was there at 8:30, appointment was 8:40 only 1 other patient in waiting room. Got to patient room 9:20 and waited another 15 minutes on my PA. Little much!
Response from the owner:Thanks for taking the time to share your positive experience. We truly appreciate it!
Stephen Woods
1 week ago
What can I say? A complete and total professional and friendly experience with results that quite frankly astounded me! I would recommend anyone who is wanting to get some cosmetic services done consider coming here!
Response from the owner:We appreciate the kind words and are glad we could provide you with a positive experience!
Daniel Shucart
1 week ago
Really great experience all around! Everyone was extremely kind and professional. Kayleigh the Nurse Practitioner was amazing!
Response from the owner:Thanks for taking the time to share your positive experience. We truly appreciate it!

Exceptional skin care for O’Fallon, MO.

Same-week appointments. Medicare accepted. Two Missouri locations — Troy and Chesterfield.