Find a Top Gastroenterologist Near Me in Upland, CA – Book an Appointment Instantly

Hardeep M. Singh, MD, FACP, AGAF, is board certified in Internal Medicine and Gastroenterology in Newport Beach, and Orange, California. He grew up in Orange County, California, and obtained his undergraduate and medical degrees from the University of Southern California.

While completing his internship and residency at Cedars Sinai Medical Center, Dr. Singh received the Leo Rigler Award for his academic achievement, and while completing his fellowship in Gastroenterology, he was named as the Kaiser Permanente Fellow of the Year.

Dr. Singh received additional training in Endoscopic Ultrasound at the University of Montreal. He has published research on ERCP techniques, Inflammatory Bowel Disease, management of liver transplant patients, autoimmune liver disease, and management of Irritable Bowel Syndrome.

Dr. Singh established his practice in 2007 at St. Joseph Hospital in Orange. He has focused on general gastroenterology, with specific interests in management of end-stage liver disease, treatment of Hepatitis B and C, Endoscopic ultrasound, and endoscopic management of gastrointestinal cancers. He is actively involved in the Liver Tumor Program at St. Joseph Hospital and started their Endoscopic Ultrasound Program in 2010.

Dr. Singh has received many accolades, including being recognized as a Physician of Excellence from 2011-2018 by the Orange County Medical Association. He was recently selected as one of the top gastroenterologists in the Western United States by Vitals.com. In 2015, Dr.Singh was recognized by the American Gastroenterological Association as an AGA Fellow, for his superior achievement in clinical practice. Dr. Singh received the Trademark Who's Who recognition as a top doctor in 2016.

In addition to his work at his practice, Dr. Singh considers community service a personal responsibility. Dr. Singh volunteers regularly at La Amistad family health center, providing care to the underserved in Orange, California. For years he has helped organize Access OC at St. Joseph's Hospital, a non-profit organization that helps to provide screening colonoscopies to uninsured patients.

Dr. Singh has been a contributor to multiple articles on gastrointestinal health, featured in Cosmopolitan, Yahoo.com, Good Housekeeping, and Runners World.

Additionally, Dr. Singh is the Medical Director of Endoscopy and the Medical Director for the Endoscopic Ultrasound/Biliary program at St.Joseph Hospital in Orange.

Dr. Singh is proud to provide care to patients in Newport Beach, and Orange, and offers flexible scheduling, including Saturday procedures.

Advanced Gastroenterology & Liver Institute in Anaheim, Santa Ana, Fullerton, and Huntington Beach, California, provides comprehensive gastroenterology care. People travel from all over to consult with Tahmina Haq, MD, who is well-known for her compassionate care and clinical expertise.

At Advanced Gastroenterology & Liver Institute, Dr. Haq specializes in diagnosing and treating digestive disorders like Crohn’s disease, ulcerative colitis, and hepatitis. She also performs a number of diagnostic procedures, including upper endoscopy, endoscopic ultrasound, and endoscopic retrograde cholangiopancreatography (ERCP). 

In addition, people come to Advanced Gastroenterology & Liver Institute for colon cancer screenings and treatment of colon polyps. Dr. Haq maintains an adenoma detection rate (ADR) well above the national benchmark of 25%, as established by leading Gastroenterology societies and published guidelines from the ASGE, ACG, and peer-reviewed medical journals. This reflects her commitment to high-quality, thorough, and preventive patient care.

After earning her Doctor of Medicine at Shifa College of Medicine in Rawalpindi, Islamabad, Pakistan, Dr. Haq completed her internal medicine residency at Loma Linda University Medical Center in Loma Linda, California. 

She then completed her gastroenterology fellowship at the University of California, San Francisco (UCSF) and her advanced endoscopy fellowship at Harbor-UCLA Medical Center in West Carson, California.

Dr. Haq takes the time to get to know her patients, building trust and long-lasting relationships. When not taking care of her patients, Dr. Haq enjoys traveling and spending time with her family.

Call Advanced Gastroenterology & Liver Institute or use the online booking button to schedule an appointment today.

Advanced Gastroenterology & Liver Institute in Anaheim, Santa Ana, Fullerton, and Huntington Beach, California, provides comprehensive gastroenterology care. People travel from all over to consult with Tahmina Haq, MD, who is well-known for her compassionate care and clinical expertise.

At Advanced Gastroenterology & Liver Institute, Dr. Haq specializes in diagnosing and treating digestive disorders like Crohn’s disease, ulcerative colitis, and hepatitis. She also performs a number of diagnostic procedures, including upper endoscopy, endoscopic ultrasound, and endoscopic retrograde cholangiopancreatography (ERCP). 

In addition, people come to Advanced Gastroenterology & Liver Institute for colon cancer screenings and treatment of colon polyps. Dr. Haq maintains an adenoma detection rate (ADR) well above the national benchmark of 25%, as established by leading Gastroenterology societies and published guidelines from the ASGE, ACG, and peer-reviewed medical journals. This reflects her commitment to high-quality, thorough, and preventive patient care.

After earning her Doctor of Medicine at Shifa College of Medicine in Rawalpindi, Islamabad, Pakistan, Dr. Haq completed her internal medicine residency at Loma Linda University Medical Center in Loma Linda, California. 

She then completed her gastroenterology fellowship at the University of California, San Francisco (UCSF) and her advanced endoscopy fellowship at Harbor-UCLA Medical Center in West Carson, California.

Dr. Haq takes the time to get to know her patients, building trust and long-lasting relationships. When not taking care of her patients, Dr. Haq enjoys traveling and spending time with her family.

Call Advanced Gastroenterology & Liver Institute or use the online booking button to schedule an appointment today.

Lourdes González Bahamonde, DO, is a fellowship-trained gastroenterologist, board certified in internal medicine and medical ethics, providing comprehensive medical care at Center For Digestive Healing in the San Gabriel Valley, and Los Angeles California. She earned a bachelor's degree in psychobiology at UCLA, and a master's in bio-physiology at CSULA before earning her medical degree at New York College of Osteopathic Medicine, NYIT on Long Island. She completed her ACGME training in internal medicine, gastroenterology, hepatology, and nutrition at North Shore University Hospital and Long Island Jewish Medical Center in New York in 2013.

The Center For Digestive Healing was established as an sCorp in 2018. It is fully equipped with the latest diagnostic technologies. She offers comprehensive care through a telemedicine platform, assisting patients from wherever they are. While Dr. Bahamonde specializes in digestive disorders, her practice has evolved toward integrative, preventive, patient-centered care that combines learned principles in internal medicine and GI with osteopathic manipulative medicine in practice.

Over the four years since relocating from NY, she has performed over 7,500 gastric and colorectal cancer screening endoscopies with polypectomies and mucosal resections, as well as advanced disease screenings for chronic liver disease. Dr. Bahamonde emphasizes peer-reviewed understanding of the interrelationship of body, structure, and function, allowing her special insight into treating gut-brain disorders. She has dedicated her life to serving diverse communities through education and cultural competence, recognizing the importance of open communication in shared-decision making.

Dr. Bahamonde continues to inspire future health care leaders as volunteer faculty in clinical medicine, medical ethics, and clinical research. She is dedicated to translational science efforts for youth in STEM programs and students in pre-health professions.

Dr. Javadi was born in Iran and grew up in Houston, Texas.  She received her undergraduate degree in Biology from The University of Texas at Austin and went on to obtain her Master's from Texas State University.  She received her medical degree from St. George's University School of Medicine and completed her Internship and Residency in Internal Medicine at Albany Medical Center in New York.  

She moved back to Houston to complete her Fellowship in Hepatology at The University of Texas Medical School in Houston, where she stayed on as an Attending Physician. 

After moving to Los Angeles in 2006, Dr. Javadi worked as Assistant Professor of Clinical Medicine at Keck School of Medicine of the University of Southern California (USC).  She subsequently accepted an Assistant Professorship at Southern Illinois University School of Medicine to care for patients with Liver disease, and continued to train Residents and Fellows.  

Dr. Javadi eventually moved back to the Los Angeles area and joined ProDigest Gastroenterology & Hepatology Associates, to continue caring for patients with liver disease.  She is Board Certified in Internal Medicine and is a member of American Association for the Study of Liver Diseases.

Dr. Javadi is dedicated to helping patients with liver disorders, including fatty liver, viral Hepatitis, and management of liver cirrhosis/end-stage liver disease that may require liver transplant evaluation.  Her detailed and humanistic approach to providing care for patients with liver disorders is built on years of experience at various academic centers.

Dr. Javadi looks forward to serving the people of Southern California.