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.

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
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

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Karthik RagunathanDr. Jessica N. Figueredo, DO, MSRachel Oliver, APRNBrooke Holden, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
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 , TXHouston , TXSacramento , CALittle 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
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Insurance Plans Accepted by Karthik Ragunathan

  • AARP
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health
  • Allegiance Life and Health
  • American Healthcare Alliance
  • AmeriGroup
  • Anthem Blue Cross
  • APWU
  • ArchCare
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Kansas
  • Blue Cross Blue Shield of Oklahoma
  • Blue Cross Blue Shield of Texas
  • CHAMPVA
  • Cigna
  • GEHA
  • HealthChoice
  • HealthChoice Oklahoma
  • HealthSmart
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • National Vision Administrators
  • Optum Health
  • Palmetto GBA
  • Palmetto GBA - Medicare
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • Wellcare

Medical Specialties

Karthik Ragunathan has the following 2 specialties

Specialty Expertise

Karthik Ragunathan has the following 8 areas of expertise

  • Check-up
  • Gastroenterologist
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

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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