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About Jonathan Pourmorady, MD

Jonathan Pourmorady, MD, is a renowned and distinguished internist and gastroenterologist, serving patients at Gastro90210. At his office locations in the neighborhood of Los Angeles and Garden Grove, California, Dr. Pourmorady takes an evidence-based, holistic approach to patient care. 

Dr. Pourmorady graduated from the University of California, Los Angeles, where he received his Bachelor of Arts Degree with Summa Cum Laude honors. He then went on to pursue his medical degree from the University of California Irvine School of Medicine.

Dr. Pourmorady completed his internship and residency training in internal medicine at Cedars-Sinai Medical Center in Los Angeles. Following residency, he completed his fellowship training in gastroenterology and hepatology from the Yale University School of Medicine. Dr. Pourmorady is an active member of the American College of Gastroenterology and is affiliated with Cedars-Sinai Medical Center and California Rehabilitation Institute.

At Gastro90210, patients can expect comprehensive diagnosis and treatment for a variety of gastrointestinal symptoms, including abdominal pain, bloating, constipation, diarrhea. Dr. Pourmorady is also vastly skilled in colonoscopy, endoscopy, and colon cancer screening. 

Dr. Pourmorady is multilingual and is fluent in English, Spanish, and Farsi. Due to this quality, he is able to cater to patients across various cultural backgrounds, tailoring the best treatment plans and helping them lead better lives.

To take control of your gastrointestinal health, call Gastro90210 today or request an appointment online.

Edward Tangchitnob, MD, MBA, FACOG, FACS is a robotic surgeon and regenerative medicine physician specializing in minimally invasive and holistic treatments for chronic diseases associated with aging. Dr. Tangchitnob’s private practice is located in West Covina, CA.

Dr. Tangchitnob performs robotic procedures for women to help treat abnormal uterine bleeding, pelvic pain, infertility, and urogynecological symptoms that occur after childbirth. After graduating from his robotic surgery and advanced endoscopic fellowship at Scripps Clinic in San Diego, CA he was recruited by Emanate Health to serve as the medical director for the developing Minimally Invasive Gynecology Surgery (MIGS) division.

In 2013, he helped secure the Center of Excellence in Minimally Invasive Gynecology (COEMIG) designation for Emanate Health. In 2016, he later led the Center of Excellence in Robotic Surgery (COERS) designation for general surgery, oncology and urology. He has served as a consultant and board advisor for several pharmaceutical and biomedical companies including Abbvie, Allergan Medtronic, Smith and Nephew, and Cooper Surgical. In 2017 he founded Timeless Health MD which focuses on holistic treatments for aging such as bioidentical hormone replacement therapy, intimacy procedures, and aesthetics medicine.

In 2021 he became one of the first gynecologic surgeons nationwide to become certified in the surgical subspecialty of Minimally Invasive Gynecologic Surgery (MIGS) by the American Board of Obstetricians and Gynecologists.

Dr. Tangchitnob earned his medical degree at Tufts University in 2008 after graduating with a B.S. in electrical and biomedical engineering at Tufts University in 2004. He served as the Executive Chief Resident during his OB/GYN residency at Cedars Sinai Medical Center. He is an active member of the American College of Surgeons (FACS) and the American Association of Gynecological Laparoscopists (AAGL). He works closely with hospital executives to build surgical and medical programs and holds an MBA from the USC Marshall School of Business.

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.

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.

Board-certified gastroenterologist Javed Sadiq, MD, offers superior services for his patients at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, and Anaheim, California. 

Dr. Sadiq is a well-rounded medical professional with extensive experience in the field of gastroenterology. He holds a Bachelor of Science degree from the University of California Riverside with a Dean/Chancellor Academic Scholarship and went on to pursue a medical degree from Ross University School of Medicine. He graduated medical school magna cum laude (high honors).

After completing his medical degree, Dr. Sadiq underwent residency training in internal medicine at the State University of New York. He later completed a fellowship in gastroenterology at the same institution. Over the years, he has held several faculty positions in the division of gastroenterology and hepatology at several medical centers, including Arrowhead Regional Medical Center, St. Bernardine Medical Center, and San Bernardino Community Hospital. He served as the Chief Medical Officer at Mt. View Surgical Center.

Dr. Sadiq is highly skilled in various gastroenterology procedures such as screening and diagnostic colonoscopy, therapeutic colonoscopy, upper endoscopy, PEG placement, capsule endoscopy, and Bravo placement and analysis. He is board-certified by the American Board of Internal Medicine and the American Board of Gastroenterology and holds active medical licenses in California and New York. Dr. Sadiq has published several peer-reviewed journal articles and abstracts in the field of gastroenterology, including works on acute pancreatitis, stent-related complications, chronic pancreatitis pain, and more. With his broad range of experience, knowledge, and dedication he has been an asset to his patients.

In his free time, Dr. Sadiq enjoys staying updated on technology news, going for bike rides, and trying new cuisines from around the world. He is also fluent in English, Farsi/Persian, and Spanish.

Essam Quraishi, MD, is a board-certified gastroenterologist and the founder of Gastrointestinal and Liver Consultants in Santa Ana, Irvine, and Anaheim, California.

Dr. Quraishi graduated from medical school at Deccan College of Medical Sciences in Hyderabad, India. Moving to the United States, he completed his internal medicine residency at Henry Ford Hospital in Detroit, Michigan, and remained for his fellowship in gastroenterology in 2005. During his fellowship, Dr. Quraishi participated in multiple studies and presented original research on quality control in screening colonoscopies. Dr. Quraishi presented this research at several national gastroenterology conferences. Later in his career, Dr. Quraishi’s painstaking work on pancreatitis in patients with renal failure was published to high acclaim. 

Dr. Quraishi has a deep interest in general gastroenterology and hepatology and is well-equipped to handle all general pathology in these areas. His areas of interest include viral hepatitis, inflammatory bowel disease, and screening for colon cancer. Dr. Quraishi is well versed with the latest therapies for Hepatitis C, including interferon and ribavirin sparing treatment. He is experienced in administering the newest therapies for Crohn’s disease and Ulcerative Colitis. 

Dr. Quraishi believes in cultivating relationships with his patients and treating each patient as a whole. His philosophy is that you cannot treat an ailment the same for every patient; instead, each patient has to be approached individually, and the provider must tailor a treatment plan to fit the needs of each patient.

Dr. Quraishi enjoys playing chess, tennis, and soccer when not at the office. He also enjoys spending his free time with his lovely wife, Dr. Fatima, and their three young children.

Hardeep M. Singh, MD, FACP, AGAF, is board certified in Internal Medicine and Gastroenterology in Irvine, 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 Irvine, Newport Beach, and Orange, and offers flexible scheduling, including Saturday procedures.

Essam Quraishi, MD, is a board-certified gastroenterologist and the founder of Gastrointestinal and Liver Consultants in Santa Ana, Irvine, and Anaheim, California.

Dr. Quraishi graduated from medical school at Deccan College of Medical Sciences in Hyderabad, India. Moving to the United States, he completed his internal medicine residency at Henry Ford Hospital in Detroit, Michigan, and remained for his fellowship in gastroenterology in 2005. During his fellowship, Dr. Quraishi participated in multiple studies and presented original research on quality control in screening colonoscopies. Dr. Quraishi presented this research at several national gastroenterology conferences. Later in his career, Dr. Quraishi’s painstaking work on pancreatitis in patients with renal failure was published to high acclaim. 

Dr. Quraishi has a deep interest in general gastroenterology and hepatology and is well-equipped to handle all general pathology in these areas. His areas of interest include viral hepatitis, inflammatory bowel disease, and screening for colon cancer. Dr. Quraishi is well versed with the latest therapies for Hepatitis C, including interferon and ribavirin sparing treatment. He is experienced in administering the newest therapies for Crohn’s disease and Ulcerative Colitis. 

Dr. Quraishi believes in cultivating relationships with his patients and treating each patient as a whole. His philosophy is that you cannot treat an ailment the same for every patient; instead, each patient has to be approached individually, and the provider must tailor a treatment plan to fit the needs of each patient.

Dr. Quraishi enjoys playing chess, tennis, and soccer when not at the office. He also enjoys spending his free time with his lovely wife, Dr. Fatima, and their three young children.

Board-certified gastroenterologist Javed Sadiq, MD, offers superior services for his patients at Gastrointestinal & Liver Consultants in Santa Ana, Irvine, and Anaheim, California. 

Dr. Sadiq is a well-rounded medical professional with extensive experience in the field of gastroenterology. He holds a Bachelor of Science degree from the University of California Riverside with a Dean/Chancellor Academic Scholarship and went on to pursue a medical degree from Ross University School of Medicine. He graduated medical school magna cum laude (high honors).

After completing his medical degree, Dr. Sadiq underwent residency training in internal medicine at the State University of New York. He later completed a fellowship in gastroenterology at the same institution. Over the years, he has held several faculty positions in the division of gastroenterology and hepatology at several medical centers, including Arrowhead Regional Medical Center, St. Bernardine Medical Center, and San Bernardino Community Hospital. He served as the Chief Medical Officer at Mt. View Surgical Center.

Dr. Sadiq is highly skilled in various gastroenterology procedures such as screening and diagnostic colonoscopy, therapeutic colonoscopy, upper endoscopy, PEG placement, capsule endoscopy, and Bravo placement and analysis. He is board-certified by the American Board of Internal Medicine and the American Board of Gastroenterology and holds active medical licenses in California and New York. Dr. Sadiq has published several peer-reviewed journal articles and abstracts in the field of gastroenterology, including works on acute pancreatitis, stent-related complications, chronic pancreatitis pain, and more. With his broad range of experience, knowledge, and dedication he has been an asset to his patients.

In his free time, Dr. Sadiq enjoys staying updated on technology news, going for bike rides, and trying new cuisines from around the world. He is also fluent in English, Farsi/Persian, and Spanish.