3 Best Gastroenterologists in Lancaster, CA

Expert-recommended Top 3 Gastroenterologists in Lancaster, California. All of our gastroenterologists actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

8+ YEARS IN TBR

JATINDER S. PRUTHI, MD

UNIO SPECIALTY CARE
43713 20th Street West, Suite 6,
Lancaster, CA 93534 Directions

Since 1992

Specialty:

Fatty Liver Disease Fibroscan Functional GI Disorders Haemorrhoids Inflammatory Bowel Disease Lower GI Disorders Upper GI Disorders Abdominal Pelvic Ultrasound Capsule Endoscopy (pillcam) Colon Cancer Screening Colonoscopy Endoscopic Retrograde Cholangiopancreatography (ERCP) Endoscopic Ultrasound Constipation Haemorrhoids Hepatitis C Irritable Bowel Syndrome (IBS) Ulcerative Colitis Celiac Disease Colonoscopy

" Dr. Jatinder S. Pruthi has over 20 years of experience as a Gastroenterologist and Liver Specialist. He received training from the highly respected Government Medical College in Patiala in Punjab, India. He earned his residency in internal medicine at New York Methodist Hospital in Brooklyn, New York. Dr. Jatinder S. Pruthi completed a fellowship in gastroenterology at the Los Angeles Medical Center and Kaiser Permanente in Los Angeles. He obtained a fellowship with advanced training in therapeutic endoscopy, ERCP, and transplant hepatology. His professional affiliations include the American Society of Gastrointestinal Endoscopy, American College of Gastroenterology, American Gastroenterological Association, and American College of Physicians. Dr. Jatinder S. Pruthi has co-authored over fourteen research papers and is an active investigator for OM Research. He can provide online telehealth services to patients who want to see or speak with a provider from the comfort of their home.

2026 Highlights: He is specialized in treating an abdominal pain, acid reflux disease (gastroesophageal reflux / GERD), celiac disease, colonoscopy, constipation, hemorrhoids, hepatitis C and ulcerative colitis. "

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License #A64919

Contact:

(661) 522-4567 (661) 705-1781

Mon-Thu: 8am - 12pm|1pm - 5pm
Fri: 8am - 1pm|2pm - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

Kumaravel S. Perumalsamy, MD - Lancaster, CA Gastroenterologists - Doctor Portrait Image
Kumaravel S. Perumalsamy, MD - Lancaster, CA Gastroenterologists - Clinic Logo
8+ YEARS IN TBR

KUMARAVEL S. PERUMALSAMY, MD

GASTRO CARE INSTITUTE
43944 15th Street West, Suite 201,
Lancaster, CA 93534 Directions

Since 1995

Specialty:

Gastritis (inflamed stomach lining) stomach and esophageal tumors Indigestion Ulcers upper Abdominal pain heartburn Intestinal Bleeding difficulty swallowing chronic Abdominal pain persistent diarrhea unusual images of your GI tract polyposis syndrome (genetic form of Colon and Rectum cancer) GI blood loss and Crohn’s disease colonoscopy capsule endoscopy hemorrhoids hepatitis C irritable bowel syndrome (IBS)

" Dr. Kumaravel S. Perumalsamy is a board-certified gastroenterology and internal medicine specialist. He completed his Bachelor of Medicine and Bachelor of Surgery at Thanjavur Medical College, Tamil Nadu, India. Dr. Kumaravel S. Perumalsamy did his residency in Internal Medicine at Coney Island Hospital, Brooklyn, NY. He proceeded to do his fellowship in Gastroenterology at Maimonides Medical Center, Brooklyn, NY. Dr. Kumaravel S. Perumalsamy has served the Antelope Valley and Ridgecrest communities for the past 12 years. He provides a wide range of gastroenterology services to promote a healthy digestive system. He takes the time to educate his patients about their medical conditions. His area of expertise lies in advanced endoscopic procedures, including ERCP, luminal stenting, and endoscopic ultrasound (EUS). Dr. Kumaravel is committed to providing compassionate care to his patients.

2026 Highlights: He also specializes in Inflammatory Bowel Disease, including Ulcerative Colitis and Crohn's Disease, and he introduced a fecal transplant program in the Antelope Valley. He was instrumental in introducing Transoral Incisionless Fundoplication (TIF) to local hospitals. "

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License # A103387

Contact:

(661) 529-7550

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

Prithviraj Dharmaraja, MD - Lancaster, CA Gastroenterologists - Doctor Portrait Image
Prithviraj Dharmaraja, MD - Lancaster, CA Gastroenterologists - Clinic Logo

PRITHVIRAJ DHARMARAJA, MD

GASTRO CARE INSTITUTE
43944 15th Street West, Suite 201,
Lancaster, CA 93534 Directions

Since 1980

Specialty:

Stomach and Esophageal Tumors Indigestion Ulcers Upper Abdominal Pain Gastritis (inflamed Stomach Lining) Heartburn Intestinal Bleeding Difficulty Swallowing Chronic Abdominal Pain Persistent Diarrhea Unusual Images Of Your GI Tract Polyposis Syndrome Constipation Hemorrhoids Hepatitis C Colonoscopy Celiac Disease GERD Colon Polyps

" Dr. Prithviraj Dharmaraja graduated from the University of Sri Lanka, Colombo in 1980. He obtained his residency in Internal Medicine at "Their Lady of Mercy Medical Center". He did his fellowship in Gastroenterology at Vanderbilt University in Nashville, TN in 1987. He continues to meet the gastroenterology needs of the Antelope Valley and Ridgecrest communities. He is board-certified in Internal Medicine and Gastroenterology and is an active member of the American Society of Gastrointestinal Endoscopy. Dr. Prithviraj Dharmaraja is especially interested in GERD, colon polyps, and the prevention of colon cancer. He appreciates his patients in the Antelope Valley and Ridgecrest communities for their trust in his care for their GI needs at the Gastro Care Institute. He is accepting new patients and telehealth appointments.

2026 Highlights: Dr. Prithviraj Dharmaraja performs essential diagnostic procedures, including colonoscopy and lower gastrointestinal endoscopy. He is fluent in both English and Spanish. "

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License # A43516

Contact:

(661) 529-7550

Mon-Fri: 8am - 12pm | 1pm - 5pm
Sat & Sun: Closed

TBR® Inspection Report: