KR
Accepting patients
Who is Dr. Ragunathan, Gastroenterologist in Denison, TX?
Dr. Karthik Ragunathan, MD is a Gastroenterologist, who primarily practices in Denison, TX with 2 additional practice locations. Dr. Ragunathan graduated from Madras Med College and completed his residency at St Francis Hospital and Medical Center Program. Dr. Ragunathan is fluent in English, and is currently seeing new patients. Dr. Ragunathan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ragunathan’s office at (903) 416-6255.
Where did Dr. Ragunathan go to medical school and complete their residency?
Residency: St Francis Hospital and Medical Center Program
Medical School: Madras Med College
What languages does Dr. Ragunathan speak?
Dr. Ragunathan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Ragunathan treat?
As a Gastroenterologist, Dr. Ragunathan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ragunathan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Benign Colon Polyp
- Benign Tumor
- Colonic Disease
- Colon Polyps
- Non-cancerous colon growth
- Colon adenoma
- Benign colon tumor
ICD-10 Codes:
- D126: Benign neoplasm of colon, unspecified
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
What procedures does Dr. Ragunathan perform?
As a Gastroenterologist, Dr. Ragunathan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ragunathan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Tissue Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible colonoscopy with EMR
- Endoscopic mucosal resection (colon)
- Colon polyp removal during colonoscopy
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45390: Colonoscopy, flexible; with endoscopic mucosal resection
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
Does Dr. Ragunathan accept my insurance?
Dr. Ragunathan accepts most major insurance plans. Important: Please call our office at (903) 416-6255 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ragunathan accept in Denison, TX?
Dr. Ragunathan in Denison, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
American Health Advantage Texas
American University
CVS Health (formerly Aetna)
Edison International
Express Scripts
HealthSmart
Medicare
State of Oklahoma
State of Tennessee
Tribute Health Plan
View All Insurances
Where is Dr. Ragunathan's office located?
Dr. Karthik Ragunathan's Primary Practice
5012 S US Highway 75 Ste 250
Denison, TX 75020
(903) 416-6255
What is Dr. Ragunathan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ragunathan's National Provider Identifier (NPI) number is 1497195457.
What common questions do patients ask about Dr. Ragunathan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ragunathan
What is Dr. Karthik Ragunathan's specialty?
Dr. Ragunathan is a Gastroenterologist near Denison, TX. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Ragunathan to book an appointment today.
Is this Dr. Karthik Ragunathan affiliated with a ranked Castle Connolly Top Hospital?
No, Ragunathan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Purcell Municipal Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Karthik Ragunathan accepting new patients in Denison, TX?
Yes, Dr. Karthik Ragunathan is accepting new patients at this time.
Does Dr. Karthik Ragunathan offer online booking?
Please contact Dr. Ragunathan's office at (903) 416-6255 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Karthik Ragunathan?
Please contact Dr. Ragunathan's office at (903) 416-6255 for information regarding telehealth appointment availability or for scheduling assistance.
Other Gastroenterologist Near Denison, TX
OC
Gastroenterologist
Accepting patientsDr. Onpan Cheung, MD is a Gastroenterologist, who primarily practices in Denison, TX with 2 additional practice locations.
Denison, TX
NN
Gastroenterologist
Accepting patientsDr. Nhat Nguyen, MD is a Gastroenterologist, who primarily practices in Denison, TX.
Denison, TX
Gastroenterologist
Accepting patientsDr. Tung Tran, MD is a Gastroenterologist, who primarily practices in Denison, TX.
Denison, TX