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Our Providers, Your Healthcare Team

Beth Aban, CRNA

Anesthesia

Jean Acabal, CRNA

Anesthesia

Bhavana Akotia, PA-C

Gastroenterology

Dhuha Alhankawi, MD

GASTROENTEROLOGY & HEPATOLOGY

Jim Amerian, MD

Gastroenterology

Gary Annunziata, DO

Gastroenterology

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Mohammad Arbabi, MD

Retired, Gastroenterology

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Erick Argueta, MD

Gastroenterology

Shruti Ariza, MD

Gastroenterology

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R. Afiba Arthur, MD

Urogynecology

Ardalan Babaknia, MD

Gastroenterology

Anna Bareiss, MD

Otolaryngology/Otology

Chelsey Beckley

Director of Marketing and Business Development

Fayth Bloomer, CRNA

Anesthesia

Amanda Bosley, CRNA

Anesthesia

Natalie Brown, CRNA

Anesthesia

Daniel Burgess, DO

General & Robotic Surgery

Yi Cai, MD

Pain Management

Rosecella Chambers, CRNA

Anesthesia

Daniel Chang, MD

Radiology

Brian Chen, DO

Cardiology

Philip Chen, MD, FACG, FASGE

Gastroenterology

Howard Cheng, MD

Oncology

Max Cho, MD

Neuroradiology

Stacey Chobany, AuD

Audiology

Jim Chou, MD

Gastroenterology

Holly Contreras, MPAP, PA-C

Colorectal & General Surgery

Brooke Cossaboom, PA-C

Urgent Care

Darren Couture, CRNA

Anesthesia

Michael Davalos, PA-C

Urgent Care

Adam Deising, DO

Transplant Hepatology

Angelique Diaz, PA-C

Urgent Care

Athena Doss

Audiology Resident

Anh Duong, MD

Gastroenterology

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Thomas Eastman, DO

Retired, Gastroenterology

Katharine Eng, MD

Pediatric Gastroenterology

Daniel M. Eshaghian, DO

Gastroenterology & Hepatology

Krystal Farias

Practice Manager

Sirus Farivar, MD, FACP, AGAF

Gastroenterology

Daniel Fishel, DO, CAQSM

Sports Medicine & Primary Care

April Fitzpatrick, CRNA

Anesthesia

Christopher Flannery, MD

Gastroenterology

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Dan Garcia, CRNA

Anesthesia

Daniel Garza, MD

Radiology

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Avani Gokaldas, PA-C

Gastroenterology

Dustin Gottfeld, PA-C

Gastroenterology

Sarah Gottfeld, PA-C

Plastic Surgery & Aesthetics

David Ham, MD

Urgent Care

Andrew Hanna, DO

Interventional Pain Medicine

Ladan Hariri, MD

Psychiatry

Michelle Harris, RN

Clinical Director, United Surgery Centers

Ashraf Hawari, MD

Radiology

Melody H. Hermel, MD

Integrative Cardiology

Colleen Herr, FNP-BC

Gastroenterology

John Hong, MD, MBA, CEO

Chief Executive Officer | Gastroenterology

Muntasir Hoque, MD

Radiology

Galen Huang, MD, FACG

Gastroenterology

Dalia Ibrahim, MD

Gastroenterology

Sheila Jeschke, NP-C

Cardiology

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Ricardo Jimenez, MD

Pathology

Vance Z. Johnson, MD

Spine Medicine

Ken Jones, CPC, CASC

Director of Business Operations, United Surgery Centers

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Sumit Khandhar, DO

Cardiology

Anthony Kim, MD, FAANS

Neurosurgery

April King, CRNA

Anesthesia

Lisa Kinney, MD

Urgent Care

Rob Knipper, CRNA

Anesthesia

Koorosh Kooros, MD, AGAF

Pediatric Gastroenterology

John Lah, MD

Gastroenterology

Quan Lam, PA

Urgent Care

Jeanne Lammering, MD

Neuroradiology

Matthew Leach, MD

Otolaryngology (ENT)

Scott H. Lee, MD

Gastroenterology & Hepatology

Emma Lega, RN

Gastroenterology

Benjamin Leong, MD

General & Bariatric Surgery

Brian S. Lim, MD, MCR, FACP, FACG, FASGE, AGAF

Gastroenterology

Roxanne Lim, MD

Gastroenterology

Kristi Lindsey, NP-C

Gastroenterology

John Locke, MD

Orthopaedic Surgery

Jennifer Loran, CRNA

Anesthesia

Cori Loonsfoot, RDMS

Imaging

Nancy Lucas, DrAP, MBA, CRNA

Director of Anesthesia, Director of Operations

Mike Lynn, CRNA

Anesthesia

Bahar Madani, MD

Gastroenterology & Hepatology

Debbie Malina, CRNA

Anesthesia

Krista Mason, FNP-BC

Urgent Care

Deidre McGannon, MHA, RDN, IFNCP

Registered Dietitian

Anna Meneely, DPM, AACFAS

Director of Foot & Ankle Surgery

Kim Meraz, CRNA

Anesthesia

Ranjeet Minocha, MD, FACAAI

Allergy & Immunology

Vinod Mishra, MD

Gastroenterology

Jesse Myers, ANP-BC

Gastroenterology

Alan J. Naim, MD

Gastroenterology

Sarah Nasher, NP-C

Gastroenterology

Seyedehsan “Ehsan” Navabi, MD

Gastroenterology

Kassandra Neuendorff, PA-C

Colorectal & General Surgery

Laura Nieves, MD, MPH, FACP

Internal Medicine

Stephen Oh, DO

Medical Director, United Pathology Labs

Tara Oliveri, PA-C

Gastroenterology

Adam Omahen, PA-C

Urgent Care

Marco A. Paez, MD

Gastroenterology & Hepatology

Mehri Pahlavani, CRNA

Anesthesia

Patricia Park, MD

Endocrinology

Amish Patel, MD

Radiology

Jigar Patel, DO

Cardiology, Electrophysiology

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Nishant Patel, MD

Director of Urology | Urology & Endourology

Arup Paul, PA-C

Gastroenterology

Anthony Pearson, MD, FACC

Cardiology

McKenna Perel, PA-C

Urgent Care

Phuong Pham, MD

Plastic Surgery

Morgan Phelps, MSN, FNP-BC

Gastroenterology

Ashleigh Pinedo, NP-C

Gynecology

Warren Pleskow, MD

Allergy & Immunology

Jennifer Price, PA-C

Otolaryngology

Yasmin Qasim, MD

Pathology

Marsha Reuther, MD

Otolaryngology (ENT)

Eunice Rhee, DO

Director of Medical Weight Loss

James Rhee, MD, FACMT, FACEP, FAAEM

Toxicology

R.L. Patrick Rhoten, MD, FAANS

Neurological Surgery

Paul Rogers, PA-C

Urgent Care

Kathryn Ross, MD

Retired, Gastroenterology

Suhail Salem, MD

Gastroenterology

Shaelyn Salsbury, Au.D., CCC-A

Audiology

Bryan Sauter, PA-C

Gastroenterology

Mark Schultzel, MD, MBA, FAAOS, FAOA

Orthopaedic Surgeon, Shoulder And Elbow Surgery

Matthew Schultzel, DO

General & Colorectal Surgery

Henry Sebata, MD

Neuroradiology

Mahnaz Shahidi, MD

Pathology

Ahmad M. Shaban, MD

Gastroenterology

Abbass Shafii, MD

Gastroenterology

Omar Shahbaz, MD, MS

Gastroenterology & Hepatology

Huafeng Shen, MD

Gastroenterology & Hepatology

Denise Sherk, FNP-C

Gastroenterology & ENT

Aldric Shim, MD

Radiology

Jennifer Sinclair

Fitness Director, United Medical Fitness

Natalie Sloan, FNP

Gastroenterology

Harper Smith, PA-C

Colorectal & General Surgery

Ellen Song, MD

Internal Medicine

Colleen Stallmer, CRNA

Anesthesia

David Stanton, MD

Gastroenterology & Hepatology

Bahnam Thomas, DO

PM&R & Electrodiagnostic Medicine - EMG/NCS

Lynnette Thompson, RN, CNL

Gastroenterology

Bojana Todorovic

Marketing Manager, Orange County

VyThao Tran, MD

Radiology

Arthur Uyesugi, MD

Otolaryngology (ENT)

Annie Van Bourg, PA-C

Urgent Care

Aubrey Van Dyke-Ginell

Colorectal & General Surgery

Robert Veve, MD

Pathology

David Wallace, PA-C

Gastroenterology

Priscele White, NP-C

Gastroenterology

Judy Williams

Practice Manager

Ashley Wong, DO

Pain Medicine & PM&R Physician

Lisa Xu, MD, FAAD

Director, Dermatology & Laser Center

D. Kai Young, FNP-BC

Gastroenterology

Steve Yu, MD FACOG

Minimally Invasive Gynecologic Surgery (MIGS) , General Gynecology

Michael Zamora, PA-C

Urgent Care

Tinoosh Zand, MD

Radiology

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