


Dr. Mark Koone, MD
Dr. Mark Koone, MD is a dermatologist in Sherman, TX and has over 35 years of experience in the medical field. Dr. Koone has extensive experience in Skin Cancer & Excision and Cosmetic Skin Procedures. He graduated from Baylor College of Medicine in 1986. He is affiliated with Baylor Scott & White Surgical Hospital at Sherman. He is accepting new patients and telehealth appointments.
Practice
230 E Sycamore St Ste 305 Sherman, TX 75090At a Glance
- Area of Expertise
- Explains Conditions Well
- Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital

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Dr. Koone's Reviews
Likelihood to recommend Dr. Koone
5.0
5 Star | 98% | 98% |
4 Star | 0% | 0% |
3 Star | 1% | 1% |
2 Star | 0% | 0% |
1 Star | 1% | 1% |
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How was your experience with Dr. Koone?Overall Patient Satisfaction
Likelihood of recommending Dr. Koone to family and friends is 4.951673 out of 5
About Me
care philosophy
Dr. Mark Koone is a Board-Certified Dermatologist, previously in Sherman and Paris, Texas. Dr. Koone has been practicing dermatology since 1990. His services include annual skin exams, acne treatments, cysts, psoriasis, rosacea, skin cancer, and more. Dr. Koone is accepting new patients.biography
Dr Mark Koone is a Board-Certified Dermatologist who previously practiced in Sherman and Paris, Texas. He will join Dallas Associated Dermatologists in McKinney, Texas, March 2021Dermatology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Duke University Med Ctr, Dermatology Baylor College Of Med, Internal Medicine|duke University Hospital
Residency Hospital, 1990Baylor-st Lukes Hospital
Internship Hospital, 1987Baylor College Of Medicine
Medical School, 1986
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
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Focus on Eczema
Locations
Practice
Practice
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- Hours
- Mon: 8:00am - 5:00pm
- Tue: 8:00am - 5:00pm
- Wed: 8:00am - 5:00pm
- Thu: 8:00am - 5:00pm
- Fri: 8:00am - 5:00pm
- Directions
Practice
Affiliated Hospitals
- Recipient of 3
hospital awardsView all awardsOutstanding Patient Experience Award™ (2024, 2022)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all patient feedbackHow patients felt about the care they received at this hospital.
90%Patients said they always received help quickly from hospital staff19% higher than the national average
90%Patients said they were given information about recovering at home2% higher than the national average
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