Sources: [1]
Aetna
[2]
Ambetterhealth
[3]
Anthem
Sources: [1]
Aetna
[2]
Ambetterhealth
[3]
Anthem
Overview
Practice
About
Publications
Mark D. Koone MD
Accepts new patientsNo phone calls, no waiting on hold
4.9★★★★★
(584)
See what people are saying
Specialties
Doctor, Dermatology, General Dermatology
Bio:
Experience:
Sex:
Languages Spoken:
Location
Sherman, TX
Common Treatments:
Contact Dermatitis
Acne
Yeast Infection
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Institutes Attended:
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Certificates:
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NPI/License number:
Hospital Affiliations:
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AZ Awards:
This is an AZ search result. This provider is not affiliated, endorsing or endorsed by AZcare.
Common Treatments:
Contact Dermatitis
Acne
Yeast Infection
See More
Institutes Attended:
See More
Certificates:
See More
NPI/License number:
Hospital Affiliations:
See More
AZ Awards:
This is an AZ search result. This provider is not affiliated, endorsing or endorsed by AZcare.
Last updated on: 11/30/2025
OverviewGenerated by AZDr. Mark Koone is a highly experienced, Board-Certified Dermatologist dedicated to providing exceptional and compassionate care. With over 35 years of experience, Dr. Koone offers expertise in a wide range of dermatological services, including cosmetic skin procedures, skin conditions, and skin cancer management. He is known for his thorough explanations, detailed follow-up care, and genuine commitment to listening to his patients' needs. Patients consistently praise Dr....
Practice
In-network insurance plans
Aetna
Ambetter
Anthem
Arkansas Blue Cross Blue Shield
Assurant Health
Baylor Scott & White Health Plan
Insurance info is for reference only. Contact the provider to confirm they accept your plan, as some may decline certain insurances even if technically in-network.
Appointments Scheduling
Mark D. Koone MD's
Virtual Visit
Verified
In-Person VisitVerifiedAddress:
230 E Sycamore St Ste 305, Sherman, TX 75090
Fax:
(903) 698-6376
Dallas Associated Dermatologists
Virtual VisitVerifiedIn-Person VisitVerifiedAddress:
7300 Eldorado Pkwy Ste 100, McKinney, TX 75070
Fax:
(972) 521-3240
Office
Virtual Visit
Unverified locationIn-Person VisitUnverified locationAddress:
520 N Collegiate Dr Ste A-B, Paris, TX, 75460
Fax:
(903) 609-3155
PDP of Texas PLLC
Virtual VisitUnverified locationIn-Person VisitUnverified locationAddress:
12700 Park Central Dr Ste 1210, Dallas, TX, 75251
Fax:
(903) 698-6376
FAQGenerated by AZDr. Mark Koone specializes in dermatology and general dermatology.
Dr. Mark Koone treats acne, psoriasis, eczema and contact dermatitis, skin cancer, cold sores or genital herpes, and more.
Yes, Dr. Mark Koone is accepting new patients.
Dr. Mark Koone speaks Spanish and English.
Dr. Mark Koone is credited with 35 years of experience.
Dr. Mark Koone is affiliated with Baylor Scott & White Surgical Hospital at Sherman and Texoma Medical Center.
Dr. Mark Koone accepts Aetna, Ambetter, Anthem, Arkansas Blue Cross Blue Shield, Assurant Health, and more.
About
ReviewsSummarized by AZAggregated from 13 comments
Positive feedback
Neutral feedback
Negative feedback
Specialties:
Doctor
Dermatology
General Dermatology
Common Treatments:
Contact Dermatitis
See More
NPI/License number:
Experience:
Languages Spoken:
Hospital Affiliations:
Baylor Scott & White Surgical Hospital at She...
Texoma Medical Center
Education & Certifications:
Residency in Dermatology
Duke University Medical Center1990
Internship in Internal Medicine
Baylor College of Medicine1987
Residency in Internal Medicine
Baylor College of Medicine1987
Doctor of Medicine
Baylor College of Medicine1986
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Awards:Super Doc
Super Doc
Super Doc
PublicationsSummarized by AZ
A mode of action for butylated hydroxytoluene-mediated photoprotection.
By M D Koone + 1 more
09-1986
Ichthyosis, mental retardation, and asymptomatic spasticity. A new neurocutaneous syndrome with normal fatty alcohol:NAD+ oxidoreductase activity.
By M D Koone + 5 more
11-1990
Multiple blue papules. Hereditary glomangiomas.
By K G Abson + 2 more
11-1991
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