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Summary
Dr. Karthik Ragunathan specializes in gastroenterology, focusing on digestive health and related conditions. He earned his medical degree from Madras Medical College and completed his residency training at St Francis Medical Center. With 15 years of experience in gastroenterology, Dr. Ragunathan brings extensive knowledge to treating complex digestive disorders. He is fluent in Tamil and Telugu, allowing him to communicate effectively with patients from diverse backgrounds.
Dr. Ragunathan practices at TexomaCare Gastroenterology in Denison, Texas, and maintains an affiliation with OSF Saint Francis Medical Center. He treats patients experiencing abdominal pain and manages complex conditions such as pancreatitis. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and treat digestive system disorders.
Dr. Ragunathan practices at TexomaCare Gastroenterology in Denison, Texas, and maintains an affiliation with OSF Saint Francis Medical Center. He treats patients experiencing abdominal pain and manages complex conditions such as pancreatitis. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and treat digestive system disorders.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 15 years of experience
- 39 insurance plans accepted
- speaks Tamil, Telugu
- St Francis Medical Center
- 2 specialties
- 8 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Office Location
TexomaCare Gastroenterology - Denison
5012 S US Highway 75 Ste 250Denison, TX 75020 Tel: (903) 416-6255
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 - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Karthik Ragunathan | Dr. Jessica N. Figueredo, DO, MS | Rachel Oliver, APRN | Brooke Holden, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 15 Years of Experience | 5 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Tamil, Telugu | Speaks English | Speaks English | Speaks English |
| Denison , TX | Houston , TX | Sacramento , CA | Little Rock , AR |
| Med School: MADRAS MEDICAL COLLEGE | Med School: Nova Southeastern University, Dr. Kiran C. Patel College of Osteopathic Medicine | Med School: University of South Alabama | Med School: University of Central Arkansas |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Karthik Ragunathan
Medical Specialties
Karthik Ragunathan has the following 2 specialties
Specialty Expertise
Karthik Ragunathan has the following 8 areas of expertise
Certifications, License, & Education
15 Years Experience
Karthik Ragunathan holds an expired medical license in the states of Texas and Montana.
Medical License
Medical Doctor with an expired medical license in the state of Texas that expired in 2026 and an expired medical license in the state of Montana that expired in 2026.
Education & Training
Residency
Completed their residency at St Francis Medical Center.
Medical School
Graduated from MADRAS MEDICAL COLLEGE and Madras Medical College in 2011.
NPI Number
Karthik Ragunathan's NPI number is 1497195457.
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Frequently Asked Questions
- How can I make an appointment with Karthik Ragunathan?
- You can find contact information for Karthik Ragunathan here on Vitals.
- Where is Karthik Ragunathan's office located?
- Karthik Ragunathan's office is located at 5012 S US Highway 75 Ste 250, Denison, TX, 75020.
- Which hospitals is Karthik Ragunathan affiliated with?
- Karthik Ragunathan is affiliated with Osf Saint Francis Medical Center.
- Does Karthik Ragunathan accept my insurance?
- You can see the insurance plans that Karthik Ragunathan accepts on their Vitals profile.
- Is Karthik Ragunathan accepting new patients?
- Karthik Ragunathan is accepting new patients on Vitals. View Karthik Ragunathan's profile on Vitals to make an appointment.
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