Dr. Rahimi
A Gastroenterology fellowship trained and a Diplomate of the American Board of Internal medicine; Dr. Rahimi completed her Bachelor’s of Science degree with biology major from UC, Irvine. She earned her medical degree from American University of the Caribbean, which included one year of training in the United Kingdom at Epsom General Hospital. She is board certified in gastroenterology.
Dr. Rahimi completed her internship and residency in Internal Medicine at MCP-Hahnemann in Pennsylvania. She pursued a fellowship in Gastroenterology at Long Island College Hospital affiliated with SUNNY, Down State in Brooklyn, New York. Dr. Rahimi has been involved in many research projects during her residency and fellowship leading to multiple publications in national scientific conferences.
After completion of Postgraduate training, Dr. Rahimi returned to Orange County to where she grew up. She has been serving her community of South Orange County Since 2006. She is affiliated with Mission Regional Medical Center and Saddleback Memorial Hospital. She is a member of American College of Gastroenterology and Southern California Society of Gastroenterology. She is national speaker to promote awareness for colon cancer screening.
Dr. Rahimi’s main interests are general gastroenterology with focus on prevention of gastrointestinal cancers and weight loss in patient with gastrointestinal disease.
Hospital Affiliations:
Hoag Hospital
Mission Regional Medical Center
Saddleback Memorial Hospital
Laguna Hills Surgery Center, Laguna Woods
Alicia Surgery Center, Mission Viejo
See Research & Publications »
Read Dr. Poneh Rahimi's Articles

Dr. Rahimi cares for a wide range of digestive system disorders, including:
- Colon polyps and colon cancer
- Diverticular disease
- Crohns disease
- Ulcerative colitis
- Peptic ulcer disease and gastritis
- Irritable bowel syndrome
- Heartburn and swallowing difficulties
- Constipation and diarrhea
- Celiac disease
- Hepatitis
- Other digestive conditions