Overview
Mark Casillas is a Colorectal Surgeon practicing medicine in Knoxville, Tennessee.
Dr. Casillas is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Anal Cancer, Familial Colorectal Cancer, Levator Syndrome, Vaginectomy, and Hernia Surgery.
He is actively involved in clinical research, co-authoring 9 peer reviewed articles. Dr. Casillas is currently accepting new patients.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1924 Alcoa Hwy, Knoxville, TN 37920
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Frequently Asked Questions about Dr. Mark A. Casillas
How do I make an appointment with Dr. Mark A. Casillas?
You can book an appointment with Dr. Mark A. Casillas by calling their office at 865-305-6740. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Mark A. Casillas a top-rated expert for Anal Cancer?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mark A. Casillas is classified as an Distinguished expert for Anal Cancer, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Mark A. Casillas specialize in?
While Dr. Mark A. Casillas is a Colorectal Surgery, they have specific expertise in Anal Cancer, Familial Colorectal Cancer, and Levator Syndrome. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Colorectal Surgery.
Does Dr. Mark A. Casillas participate in research or clinical trials?
Yes. Dr. Mark A. Casillas has published 9 articles and abstracts on conditions like Anal Cancer. You can view a list of Dr. Mark A. Casillas's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Mark A. Casillas accept my insurance?
Dr. Mark A. Casillas accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 865-305-6740 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Anal CancerDr. Casillas isDistinguished. Learn about Anal Cancer.
- Familial Colorectal CancerDr. Casillas isDistinguished. Learn about Familial Colorectal Cancer.
- Advanced
- Anal FissureDr. Casillas isAdvanced. Learn about Anal Fissure.
- Bladder ReconstructionDr. Casillas isAdvanced. Learn about Bladder Reconstruction.
- Bowel IncontinenceDr. Casillas isAdvanced. Learn about Bowel Incontinence.
- Colorectal CancerDr. Casillas isAdvanced. Learn about Colorectal Cancer.
- EncopresisDr. Casillas isAdvanced. Learn about Encopresis.
- HemorrhoidsDr. Casillas isAdvanced. Learn about Hemorrhoids.
- Hernia SurgeryDr. Casillas isAdvanced. Learn about Hernia Surgery.
- Levator SyndromeDr. Casillas isAdvanced. Learn about Levator Syndrome.
- ProctitisDr. Casillas isAdvanced. Learn about Proctitis.
- Rectal ProlapseDr. Casillas isAdvanced. Learn about Rectal Prolapse.
- Squamous Cell Carcinoma of the Anal Canal (SCAC)
- Ureteral ReconstructionDr. Casillas isAdvanced. Learn about Ureteral Reconstruction.
- VaginectomyDr. Casillas isAdvanced. Learn about Vaginectomy.
- Experienced
- ColostomyDr. Casillas isExperienced. Learn about Colostomy.
- Crohn's DiseaseDr. Casillas isExperienced. Learn about Crohn's Disease.
- Familial Adenomatous PolyposisDr. Casillas isExperienced. Learn about Familial Adenomatous Polyposis.
- Gardner SyndromeDr. Casillas isExperienced. Learn about Gardner Syndrome.
- Gastrointestinal FistulaDr. Casillas isExperienced. Learn about Gastrointestinal Fistula.
- HemorrhoidectomyDr. Casillas isExperienced. Learn about Hemorrhoidectomy.
- HerniaDr. Casillas isExperienced. Learn about Hernia.
- Intestinal Pseudo-ObstructionDr. Casillas isExperienced. Learn about Intestinal Pseudo-Obstruction.
- Lynch SyndromeDr. Casillas isExperienced. Learn about Lynch Syndrome.
- Mesenteric Venous ThrombosisDr. Casillas isExperienced. Learn about Mesenteric Venous Thrombosis.
- Muscle SpasmsDr. Casillas isExperienced. Learn about Muscle Spasms.
- Ogilvie SyndromeDr. Casillas isExperienced. Learn about Ogilvie Syndrome.
- Reconstructive Urology SurgeryDr. Casillas isExperienced. Learn about Reconstructive Urology Surgery.
- RectoceleDr. Casillas isExperienced. Learn about Rectocele.
- Small Bowel ResectionDr. Casillas isExperienced. Learn about Small Bowel Resection.
- Turcot SyndromeDr. Casillas isExperienced. Learn about Turcot Syndrome.
- UreteroscopyDr. Casillas isExperienced. Learn about Ureteroscopy.