4.7
62 Ratings with 42 written Reviews
Summary
Dr. Mark Wallis is a dermatologist and dermatologic surgeon with 38 years of experience treating skin conditions and performing specialized procedures. He earned his medical degree from the University of Texas Health Science Center at San Antonio Joe R & Teresa Lozano Long School of Medicine. Dr. Wallis speaks both English and Spanish, making healthcare accessible to a broader patient community.
Dr. Wallis is affiliated with Longview Regional Medical Center and practices at locations in Marshall and Longview, Texas. He specializes in treating serious skin conditions including melanoma, basal cell skin cancer, and skin cysts. His surgical expertise includes performing pathology tests and surgical pathology procedures to diagnose and treat various skin disorders. Patients have given him an average rating of 4.7 out of 5 stars.
Dr. Wallis is affiliated with Longview Regional Medical Center and practices at locations in Marshall and Longview, Texas. He specializes in treating serious skin conditions including melanoma, basal cell skin cancer, and skin cysts. His surgical expertise includes performing pathology tests and surgical pathology procedures to diagnose and treat various skin disorders. Patients have given him an average rating of 4.7 out of 5 stars.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 38 years of experience
- speaks English, Spanish
- Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med
- 42 written reviews
- 2 specialties
- 12 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 3 office locations
- Male
Office Locations
Dr. Mark S Wallis has 3 locationsWallis Dermatology Associates
1900 S Washington Ave Ste EMarshall, TX 75670 Tel: (903) 503-7330
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 12:00 pm
SatClosed
SunClosed
Wallis Dermatology Associates
3535 4th St Ste 400Longview, TX 75605Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 12:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Mark S Wallis, MD | Trisha Khanna, MD, FAAD | Dr. Anna Chacon, MD | Dr. Ryan Trowbridge, MS, MA, MD |
| Dermatology | Dermatology | Dermatology | Dermatology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 38 Years of Experience | 8 Years of Experience | 14 Years of Experience | 12 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English, Spanish, Italian, Hindi | Speaks English, Spanish, French | Speaks English |
| Marshall , TX | Orlando , FL | Miami , FL | Elkhorn , NE |
| Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med | Med School: Columbia University College Of Physicians & Surgeons | Med School: Brown Medical School | Med School: Creighton University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mark S Wallis
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Mark S Wallis has the following 2 specialties
Specialty Expertise
Dr. Mark S Wallis has the following 12 areas of expertise
Certifications, License, & Education
38 Years Experience
MEDICAL LICENSE
Medical Doctor, Texas, 2025, Expired
EDUCATION & TRAINING
Medical School
Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof MedGraduated in 1988
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Frequently Asked Questions
- Does Dr. Mark Wallis accept my insurance?
- You can see the insurance plans that Dr. Mark Wallis accepts on their Vitals profile.
- Is Dr. Mark Wallis accepting new patients?
- Dr. Mark Wallis is accepting new patients on Vitals. View Dr. Mark Wallis's profile on Vitals to make an appointment.
- Which hospitals is Dr. Mark Wallis affiliated with?
- Dr. Mark Wallis is affiliated with Longview Regional Medical Center Lp.
- Does Dr. Mark Wallis accept virtual/telehealth appointments?
- Dr. Mark Wallis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Mark Wallis's office located?
- Dr. Mark Wallis's office is located at 1900 S Washington Ave Ste E, Marshall, TX, 75670.
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