About Us

Expert dermatology care in Celina, TX
with a personal touch.

The Everoak Dermatology Mission

Everoak Dermatology was created to deliver exceptional skin care rooted in medical expertise and genuine compassion. Our focus is on prevention, early detection, and effective treatment so you can feel confident in your skin and secure in your health.
Everoak Mission About

Meet
Dr. Mahsa Karavan

Board-Certified Dermatologist |
Founder & Medical Director

Dr. Mahsa Karavan, dermatologist in white coat and navy top, professional headshot

Dr. Mahsa Karavan is a board-certified dermatologist and the founder of EverOak Dermatology and Aesthetics Center. With more than a decade of training and experience, she provides comprehensive, patient-centered care — from diagnosing complex skin conditions to offering the latest cosmetic treatments.

She specializes in skin cancer prevention and early detection, hair loss management, and treating conditions such as acne, rosacea, psoriasis, and eczema. Known for her natural approach to aesthetics, Dr. Karavan combines advanced injectables, lasers, and regenerative therapies to deliver elegant, never-overdone results.

A published researcher and 2025 Texas Rising Star Super Doctor Award recipient, Dr. Karavan is recognized for both her clinical expertise and her warm, approachable style. Fluent in English and Farsi, she values cultural diversity and strives to create a welcoming environment where every patient feels heard and cared for.

Dr. Mahsa Karavan, dermatologist in white coat and navy top, professional headshot

Meet
Katie Gustavson

Licensed Aesthetician

Katie Gustavson, team member at Everoak Dermatology & Aesthetics Center, smiling in the Celina clinic

Katie brings over 10 years of experience in aesthetics and dermatology settings, with a passion for building meaningful relationships with patients and helping them feel confident in their skin. She believes exceptional aesthetic care begins with understanding each patient’s individual concerns, goals, and skin health.

Katie has extensive experience with advanced laser treatments, including IPL, skin tightening, resurfacing, and comprehensive skincare. Her background as an experienced Certified Medical Assistant has also given her a strong foundation in the medical side of dermatology. For the past three years, she has worked alongside Dr. Mahsa Karavan, a board-certified dermatologist, gaining valuable insight into both medical and aesthetic approaches to skin health.

Combining her clinical experience with her passion for aesthetics, Katie takes a thoughtful, personalized approach to every patient and is dedicated to helping each person feel confident throughout their skincare journey.

Katie Gustavson, team member at Everoak Dermatology & Aesthetics Center, smiling in the Celina clinic
Everoak Dermatology

"Every patient deserves care that is not only medically
precise but also personally meaningful. My goal is to provide
both with every interaction." – Dr. Mahsa Karavan.

– Dr. Mahsa Karavan

Credentials &
Achievements

Recognition & Research

Dr. Karavan has published research on acne scarring, chronic wound care, teledermatology, and injectable therapies, including studies on Kybella, melanoma diagnosis, and complex wound outcomes.
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She was honored as a Texas Rising Star Super Doctor in 2025 for her excellence in patient care.
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How We Care for
Every Patient

We combine evidence-based medicine with a personalized approach to ensure every patient receives the highest standard of care. From your first consultation to your follow-up visits, our focus is on clear communication, accurate diagnosis, and treatments that fit your goals and lifestyle.
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Take The First Step
Toward Healthier, Fuller Hair
A medical evaluation can help you understand why your hair is thinning and what you can do to restore your confidence.