Physicians

Krishdeep S. Chadha

Dr. Krishdeep Chadha is a board-certified gastroenterologist with 14 years of experience. His expertise includes comprehensive diagnostic, therapeutic and palliative endoscopic interventions in the management of GI, liver and pancreas diseases. Born and raised in India, he earned his Doctor of Medicine degree from Maulana Azad Medical College at the University of Delhi. He completed his internal medicine and gastroenterology fellowships at State University of New York in Buffalo, in addition to an advanced therapeutic endoscopy fellowship at UCLA Medical Center – one of the nation’s top programs.

Dr. Chadha is certified by the American Board of Internal Medicine in gastroenterology, hepatology and nutrition and an active member and fellow of the American Society of Gastrointestinal Endoscopy. He also serves as the Director of Therapeutic Endoscopy at Banner Estrella Medical Centre, holds a faculty position at University of Arizona and has been published in peer reviewed journals and presented at national meetings. He was nominated as TopDoc for gastroenterology in Phoenix in 2019 and 2020

West Phoenix

9321 W. Thomas Rd.
Suite 405
Phoenix, AZ, 85037

Phone: (623) 236-8507

Fax: (623) 236-8508

Krishdeep S. Chadha

West Phoenix: (623) 236-8507

Ananya Das

Dr. Ananya Das is a board-certified gastroenterologist with 34 years of experience. His expertise includes pancreaticobiliary disorders, gastrointestinal cancer, advanced and therapeutic endoscopy. After his initial medical education in India, he completed a fellowship in gastroenterology at University Hospitals of Cleveland, where he went on to complete an additional fellowship in advanced endoscopy.

Dr. Das has authored over 300 original research publications, book chapters, abstracts and presentations focused on advanced endoscopy, endoscopic ultrasound and cancer outcomes. He formerly served as Professor of Medicine at Mayo Clinic College of Medicine and as Director of Endoscopy and Associate Chair of the Department of Medicine at Mayo Clinic in Arizona. He is currently a Clinical Professor of Medicine at Creighton University School of Medicine and at University of Arizona College of Medicine, as well as a fellow of the American College of Gastroenterology and the American Society for Gastrointestinal Endoscopy.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Ananya Das

Gilbert: (480) 507-5678

Hack Jae Kim

Dr. Hack Jae Kim is a board-certified gastroenterologist with 21 years of experience. His expertise includes GERD, Barrett’s Esophagus, esophageal cancer, gastrointestinal motility and colon cancer – performing procedures such as EGD, radiofrequency ablation, cryoablation, enteroscopy, therapeutic EGD, capsule endoscopy and colonoscopy. He received his bachelor’s degree and Doctor of Medicine degree from Creighton University, where he also completed his residency in internal medicine. Furthering his education and training, Dr. Kim received his master’s degree in clinical research and completed his gastroenterology fellowship at Mayo Clinic in Rochester, Minnesota.

Dr. Kim pursued clinical research at the Mayo Clinic locations in Rochester and Scottsdale, where he also trained fellows and residents in gastroenterology, surgery and internal medicine. He has been published in many major gastroenterology journals such as American Journal of Gastroenterology, Gut, and Neurogastroenterology & Motility.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Hack Jae Kim

Gilbert: (480) 507-5678

Patrick Lam

Dr. Patrick Lam is a board-certified gastroenterologist with 24 years of experience. His expertise includes diagnostic and therapeutic gastroenterology procedures, such as colonoscopy, upper endoscopy, enteroscopy and capsule endoscopy. After receiving a bachelor’s degree in biology, Dr. Lam earned a Doctor of Osteopathic Medicine degree from Western University of Health Sciences College of Osteopathic Medicine. He then completed his internship and residency in internal medicine at University of Southern California Medical Center in Los Angeles.

Following his residency, Dr. Lam completed a fellowship in gastroenterology at the Henry Ford Health System in Detroit, Michigan. He is a proud member of American College of Gastroenterology, American Gastroenterological Association and American Society for Gastrointestinal Endoscopy.

East Avondale

13065 W. McDowell Road
Suite B108
Avondale, AZ, 85392

Phone: (623) 512-4320

Fax: (623) 512-4321

Patrick Lam

East Avondale: (623) 512-4320

Nelson H. Lim

Dr. Nelson H. Lim is board-certified in gastroenterology with 19 years of experience. His expertise includes GI bleeds, Hepatitis B, gastroenterological diseases and liver diseases – performing procedures such as standard endoscopy, colonoscopy, ECRP and capsule endoscopy. He graduated with honors in internal medicine, completed his residency and earned his gastroenterology fellowship at Loma Linda University School of Medicine – during which he achieved Resident of the Year. After residency, Dr. Lim was appointed as Chief Resident of Internal Medicine and Chief Gastroenterology Fellow at LLUMC, where he supervised numerous resident physicians, interns and medical students.

As a trainee at LLUMC, he authored a research screening protocol for Hepatitis B in Asian-American communities in Southern California, which raised one of the largest industry-supported research grants. Dr. Lim previously served as an Assistant Professor of Medicine at LLU School of Medicine and Medical Director of Endoscopy at Mercy Gilbert Medical Center and Banner Desert Medical Center. He is currently a clinical supervisor for A.T. Still University. Dr. Lim has been published in national medical journals, such as the American Journal of Gastroenterology, presented at major national conferences and served on national panels. He is the first gastroenterologist to be honored with The Golden Thread Award at Mercy Gilbert Medical Center, which recognizes physicians who provide “radical loving care” and dedication to patients.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Nelson H. Lim

Gilbert: (480) 507-5678

Jonathan S. Mellen

Dr. Jonathan Mellen is board-certified in internal medicine and gastroenterology with 18 years of experience. His expertise includes colon cancer screening and prevention, inflammatory bowel disease and liver and biliary disorders. He obtained a bachelor’s degree in the biological basis of behavior from University of Pennsylvania and a Doctor of Medicine degree from State University of New York College of Medicine. Dr. Mellen completed an internal medicine residency at the University of California, serving as Chief Resident. He then completed a fellowship in gastroenterology at the Carl T. Hayden VA Medical / Good Samaritan University Medical Center.

West Phoenix

9321 W. Thomas Rd.
Suite 405
Phoenix, AZ, 85037

Phone: (623) 236-8507

Fax: (623) 236-8508

Jonathan S. Mellen

West Phoenix: (623) 236-8507

Kandarp R. Patel

Dr. Kandarp Patel is board-certified in gastroenterology with 12 years of experience. His expertise includes endoscopy, colorectal cancer screening and prevention, and capsule endoscopy. Dr. Patel has a bachelor’s degree in cellular and molecular biology and genetics, a master’s degree in physiology and biophysics and a Doctor of Osteopathic Medicine degree.

After graduating from Touro University College of Osteopathic Medicine, Dr. Patel completed an internal medicine residency at Banner Good Samaritan Medical Center in Phoenix and a gastroenterology fellowship at Carl T. Hayden VA Medical Center and Banner Good Samaritan Medical Center. He is a proud member of the American College of Gastroenterology, American Society of Gastrointestinal Endoscopy, American Gastroenterology Association and Arizona Gastroenterology Society.

West Phoenix

9321 W. Thomas Rd.
Suite 405
Phoenix, AZ, 85037

Phone: (623) 236-8507

Fax: (623) 236-8508

Kandarp R. Patel

West Phoenix: (623) 236-8507

Hector Rodriguez-Luna

Dr. Hector Rodriguez-Luna is board-certified in gastroenterology and hepatology with 17 years of experience. His expertise includes general gastroenterology conditions, acid reflux, colon cancer prevention, inflammatory bowel disease, liver disease and pancreatobiliary disorders – performing procedures such as upper endoscopy, BARRx ablation, colonoscopy, small bowel enteroscopy, capsule endoscopy and ERCP. Following graduation from Ponce School of Medicine, he completed a residency in internal medicine at Ochsner Foundation Hospital in New Orleans and fellowship training in gastroenterology, liver diseases and liver transplantation at the VA/Good Banner University Medical Center and Mayo Clinic in Arizona.

Dr. Rodriguez-Luna has appeared in multiple publications of international prestige such as American Journal of Transplantation, Current Opinion in Infectious Diseases, Digestive Diseases and Sciences, Clinics in Liver Diseases and Minerva Gastroenterologica e Dietologica (Italy). His research focuses on gastrointestinal endoscopy, state of the art imaging, capsule endoscopy, Hepatitis B and C, liver disease, primary biliary cirrhosis, hepatocellular carcinoma, liver transplantation and portal and splenic vein thrombosis. He is a proud member of the American College of Gastroenterology, the American Society for Gastrointestinal Endoscopy and The American Association for the Study of Liver Diseases.

West Phoenix

9321 W. Thomas Rd.
Suite 405
Phoenix, AZ, 85037

Phone: (623) 236-8507

Fax: (623) 236-8508

Hector Rodriguez-Luna

West Phoenix: (623) 236-8507

Mankanwal S. Sachdev

Dr. Mankanwal Sachdev is an interventional and therapeutic endoscopist board-certified in gastroenterology with 12 years of experience. His expertise includes complex procedures, general GI conditions, liver disease and pancreatobiliary disorders – performing procedures such as endoscopic ultrasound, therapeutic ERCP, endoscopic mucosal and sun mucosal resections, stent placement, complex polypectomy, EGD and colonoscopy. He received a bachelor’s degree and Doctor of Medicine degree from Dayanand Medical College and Hospital in Punjab, India. Dr. Sachdev completed fellowships in hepatology and liver transplant at Mayo Clinic in Scottsdale, followed by his gastroenterology fellowship at the University of Tennessee. He then went on to complete an additional year of training at Northwestern University in therapeutic and advanced endoscopy.

Dr. Sachev has held academic appointments as Assistant Professor of Medicine at the University of Tennessee and an instructor of medicine at Northwestern University. Currently, he serves as an Associate Professor of Medicine at Creighton University School of Medicine and an assistant professor at the University of Arizona. Dr. Sachdev also performs procedures at Desert Ridge Surgery Center.

His expertise includes complex procedures, general GI conditions, liver disease and pancreatobiliary disorders – performing procedures such as endoscopic ultrasound, therapeutic ERCP, endoscopic mucosal and sun mucosal resections, stent placement, complex polypectomy, EGD and colonoscopy, and the TIF Procedure for Reflux.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Mankanwal S. Sachdev

Gilbert: (480) 507-5678

Ashesh Sanghvi

Dr. Ashesh Sanghvi is a board-certified gastroenterologist with 23 years of experience. His expertise includes chronic condition management – including ulcerative colitis, Crohn’s disease and inflammatory bowel disease – and performing basic and advanced therapeutic endoscopy procedures. He graduated from B.J. Medical College in India with distinction, completed his gastroenterology fellowship at Rush University Medical School and further advanced his therapeutic endoscopy training at the University of Chicago. Before his subspecialty training, Dr. Sanghvi served as Clinical Associate at the Cleveland Clinic Foundation in Ohio.

Dr. Sanghvi joined Arizona Center for Digestive Health after working with Yuma Gastroenterology for over 16 years. He held leadership positions at Yuma Regional Medical Center as Vice Chairman and Chairman of the Department of Medicine, and later served as a member of their Quality Committee. Dr. Sanghvi also taught physician assistant students at A.T. Still University and internal medicine residents at Maricopa County Hospital.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Ashesh Sanghvi

Gilbert: (480) 507-5678

Virender K. Sharma

A founder of AZCDH, Dr. Virender Sharma is board-certified in gastroenterology and hepatology with over 20 years of experience. His expertise includes acid-peptic diseases, GERD, Barrett’s esophagus, esophageal cancer and colon cancer screening – performing EGD, radiofrequency ablation, endoscopic mucosal resections, complex stricture dilations, small bowel enteroscopy, therapeutic ERCP, stent placement and colonoscopy. Dr. Sharma graduated from the All India Institute of Medical Sciences of New Delhi and completed his fellowship in gastroenterology and hepatology at the University of South Carolina.

Dr. Sharma previously served as a professor and consultant in the Division of Gastroenterology for Mayo Clinic School of Medicine, in addition to Assistant Professor in the Division of Gastroenterology and Hepatology at the University of Arkansas for Medical Sciences. He also served as director of the Esophageal Clinic and vice-chair of gastroenterology research at Mayo Clinic. Dr. Sharma has published over 300 peer-reviewed articles, book chapters, research abstracts and presentation and is a prolific inventor with over 50 issued U.S. patents He is a fellow of American Gastroenterological Association, American College of Gastroenterology and American Society for Gastrointestinal Endoscopy.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Virender K. Sharma

Gilbert: (480) 507-5678

Amy Soloman

Dr. Amy Soloman was born and raised in Staten Island, New York. In 2000, she graduated suma cum laude with a B.S. in Pharmacy from St. John’s University. She then went on to obtain her Doctor of Osteopathy with honors from the New York College of Osteopathic Medicine in 2004. Upon completing her internal medicine training at Case Western Reserve University at MetroHealth Medical Center in Cleveland, she pursued an additional year with the distinguished honor of Chief Resident / Clinical Instructor for the department of internal medicine. During this time she was recognized with an award for excellence in teaching.

 In 2011, Dr. Soloman completed her Gastroenterology / Hepatology fellowship training at Case Western Reserve / MetroHealth, and was distinguished as “Fellow of the Year” upon graduation. During her fellowship training she was actively involved in research, clinical trials, and was published in distinguished gastroenterology journals.

East Avondale

13065 W. McDowell Road
Suite B108
Avondale, AZ, 85392

Phone: (623) 512-4320

Fax: (623) 512-4321

Amy Soloman

East Avondale: (623) 512-4320

Nurse Practitioners & Physician Assistants

Ethan Everlith

Ethan Everlith, PA-C is a physician assistant with expertise in digestive diseases and 1.5 years of experience. He received a bachelor’s degree in biomedical sciences with a minor in chemistry from Northern Arizona University and obtained a master’s degree in physician assistant studies from A.T. Still University. Ethan previously served in orthopedic and sports medicine, assisting in therapeutic, trauma and total joint replacement orthopedic procedures.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Ethan Everlith

Gilbert: (480) 507-5678

Shannon Gervais

Shannon Gervais, AGACNP-BC is a board-certified nurse practitioner specializing in the treatment of the adult with emphasis on the geriatric population.  In 1996, she earned her bachelor’s degree of nursing from the University of Louisiana at Lafayette; and most recently (2022), she obtained her master’s degree for adult-gerontology acute care nurse practitioner from Grand Canyon University.  Previously, Shannon had a 26-year experience in acute care serving as a registered nurse with the majority of those years in the intensive care unit with the most recent years serving in an administrative role as house supervisor.  To help serve her patients along with her professional role as a nurse, she is an active member of both the America’s Nursing Association and the American Association of Nurse Practitioners. Currently, she is delighted to be part of the AZCDH professional, reputable care team!

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Shannon Gervais

Gilbert: (480) 507-5678

Anne Puggini

Anne Puggini, FNP-C is a board-certified Nurse Practitioner with 3 years of experience. She received her Bachelor’s and Master’s degrees in nursing with an emphasis on family medicine from Grand Canyon University. Anne previously served as a registered nurse on the Liver and Kidney Transplant and Specialty Care Unit at Banner University Medical Center-Phoenix where she won The Daisy Award and was featured on Catalyst – an Arizona PBS prime-time series exploring cutting-edge research – in an episode focused on nursing burnout.

West Phoenix

9321 W. Thomas Rd.
Suite 405
Phoenix, AZ, 85037

Phone: (623) 236-8507

Fax: (623) 236-8508

Anne Puggini

West Phoenix: (623) 236-8507

Jaimie Salas

Jaimie Salas, PA-C is a board-certified physician assistant specializing in gastroenterology. She earned a bachelor’s degree in biological sciences with a minor in chemistry from University of Hawaii, Hilo and earned her master’s degree in physician assistant studies from Chatham University. Jaimie enjoys the outdoors, reading fiction novels, and spending time with her dog. She is looking forward to starting her career in gastroenterology and proudly serving the East Valley where she grew up.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Jaimie Salas

Gilbert: (480) 507-5678

Matthew Shannon

Matthew Shannon, PA-C is a board-certified physician assistant specializing in gastroenterology with 3.5 years of experience. He earned a bachelor’s degree in biological sciences from Arizona State University and received his master’s degree in physician assistant studies from Northern Arizona University. Matthew previously served as a certified nursing assistant specializing in caregiving for adults with Alzheimer’s and dementia.

Gilbert

2680 S. Val Vista Drive
North Building 4
Suite 116
Gilbert, AZ, 85295

Phone: (480) 507-5678

Fax: (480) 507-5677

Matthew Shannon

Gilbert: (480) 507-5678

Teri Sweginnis

Teri Sweginnis, FNP, has lived in the Prescott area since 2004 and studied locally, earning her nursing degrees through Yavapai College and Northern Arizona University. Teri holds multiple degrees and has a background in law. She enjoys most outdoor activities, but is most happy when she is riding her mountain bike or working in her yard.

Teri Sweginnis