Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.
He discusses your symptoms, bowel habits, lifestyle factors and relevant medical history.
Dr. Chadha performs a gentle external inspection and digital rectal exam to check for lumps, tears or swelling.
Using an anoscope or proctoscope, he directly visualizes the anal canal and lower rectum for hemorrhoids, fissures or lesions.
In select patients, Dr. Chadha may order laboratory studies or specialized evaluations to exclude inflammatory or infectious conditions.
Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.
Hemorrhoids are swollen veins in the anal canal; fissures are small tears in the lining of the anus.
Yes. Most anal fissures heal with conservative care fiber, hydration, and sitz baths in about 4-6 weeks.
Yes. Anorectal abscesses often cause intense pain, swelling, redness, and sometimes fever.
Often, yes. A high-fiber diet, plenty of water, regular exercise, and avoiding straining can reduce your risk.
Surgery is recommended when non-surgical treatments (antibiotics, seton placement) fail to close the fistula.
Not always. Dr. Chadha may order one to rule out other conditions if bleeding or other red flags are present.
Most patients report minimal discomfort. No general anesthesia is needed, and recovery is swift.
Most major plans cover evaluations and procedures. Our team will verify benefits and assist with pre-authorization.
Yes. Children often develop fissures from constipation or passing large, hard stools.
For light duties, many return the next day. Full recovery from minor procedures typically takes 1-2 weeks.
