Profile

Summary

Dr. Casillas graduated from the University of Alabama School of Medicine in 2006. He works in Knoxville, TN and 2 other locations and specializes in Colorectal Surgery and Surgery. Dr. Casillas is affiliated with University Of Tennessee Medical Center, Fort Sanders Regional Medical Center and University Of Tennessee Medical Center Heart Hospital.

Quick Facts

  • accepting new patients
  • 4.4
    7 Ratings
  • 20 years of experience
  • speaks English
  • St Joseph Mercy Hospital - Ann Arbor
  • 4 written reviews
  • 2 specialties
  • 33 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Mark Anthony Casillas has 3 locations

University Colon And Rectal Surgery

1934 Alcoa Hwy Ste 370Knoxville, TN 37920
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Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Fort Sanders Regional Medical Center

1901 W Clinch AveKnoxville, TN 37916
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University Of Tennessee Medical Center Heart Hospital

1924 Alcoa HwyKnoxville, TN 37920
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Compare with Similar Doctors

Dr. Mark Anthony Casillas, MD
Dr. Gregory Kahler Low
Dr. Sean Christopher Groark
Dr. Jacob Hunter Creighton
Dr. Mark Anthony Casillas, MDDr. Gregory Kahler LowDr. Sean Christopher GroarkDr. Jacob Hunter Creighton
Colorectal SurgeryColorectal SurgeryDiagnostic RadiologyColorectal Surgery
Accepts New Patients Accepts New Patients
4.4 
 (7 Ratings)
0 
 (0 Ratings)
0 
 (0 Ratings)
0 
 (0 Ratings)
20 Years of Experience 11 Years of Experience 4 Years of Experience 6 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Knoxville , TNKnoxville , TNKnoxville , TNKnoxville , TN
Med School: University Of Alabama School Of Medicine Med School: Baylor College Of Medicine Med School: University Of South Alabama College Of Medicine Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med
Current Profile
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Insurance Plans Accepted by Dr. Mark Anthony Casillas

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  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Mark Anthony Casillas has the following 2 specialties

Specialty Expertise

Dr. Mark Anthony Casillas has the following 33 areas of expertise

  • Anal Cancer (Anus Neoplasms)
  • Anal Itching (Pruritus Ani)
  • Anal Ulcer (Fissure in Ano)
  • Clinical Research
  • Colon Cancer
  • Colon Diseases (Sigmoid Diseases)
  • Colon Tumor (Adenomatous Polyps)
  • Colonic Diverticulitis
  • Colonic Polyps
  • Colonoscopy
  • Colorectal Cancer
  • Colostomy
  • Constipation
  • Crohn's Disease
  • Diverticulitis
  • Fecal Incontinence
  • Gastrointestinal Diseases (GI Diseases)
  • Gastrointestinal Endoscopy
  • Gastrointestinal Hemorrhage
  • Ileostomy
  • Inflammatory Bowel Diseases (IBD)
  • Intestinal Polyposis
  • Laparoscopic General Surgery
  • Laparoscopic Surgery (Laparoscopy)
  • Laproscopic Surgery (Laparoscopy)
  • Ostomy
  • Rectal Cancer
  • Rectal Diseases
  • Rectal Fistula
  • Rectal Prolapse
  • Rectovaginal Fistula
  • Surgery
  • Ulcerative Colitis

Certifications, License, & Education

20 Years Experience

MEDICAL LICENSE

Medical Doctor, Tennessee, 2026, Expired

EDUCATION & TRAINING

Residency

St Joseph Mercy Hospital - Ann Arbor

Medical School

University Of Alabama School Of MedicineGraduated in 2006

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Frequently Asked Questions

Where is Dr. Mark Casillas's office located?
Dr. Mark Casillas's office is located at 1934 Alcoa Hwy Ste 370, Knoxville, TN, 37920.
Which hospitals is Dr. Mark Casillas affiliated with?
Dr. Mark Casillas is affiliated with University Of Tennessee Medical Center, Fort Sanders Regional Medical Center, and University Of Tennessee Medical Center Heart Hospital.
Does Dr. Mark Casillas accept virtual/telehealth appointments?
Dr. Mark Casillas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Mark Casillas speak?
Dr. Mark Casillas speaks English.
Does Dr. Mark Casillas accept my insurance?
You can see the insurance plans that Dr. Mark Casillas accepts on their Vitals profile.

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