For more than 50 years, Allied Anesthesiologists have been serving patients in Southern California. In that time, our physicians have earned a reputation for clinical performance and professional excellence.

As a group, we have earned a reputation for going far above and beyond, working as true partners with the medical institutions with which we partner. At every institution we work with, we help implement, quantify, and improve quality and efficiency measures, improve patient satisfaction, and drive professional satisfaction for our fellow providers.


Aaron Whitby, MD

Board Certified Anesthesiology
Cardiothoracic Anesthesia
Critical Care Anesthesia

MountainView Hospital Residency

Ada Hernandez, MD

Board Certified Anesthesiology

University of California Irvine Residency

Harbor-UCLA Medical Center, General Surgery Residency

Adrian Ng, MD

Board Certified Anesthesiology

University of Southern California Residency

Afshin Shabanie, MD

Board Certified Anesthesiology
Pediatric Anesthesia
Pain Medicine

Harbor-UCLA Medical Center Residency

Ahamed Raza, MD

Board Certified Anesthesiology

Brookdale Hospital Medical Center
Residency

Ahmed Serag, MD

Board Certified Anesthesiology
Pediatric Anesthesia

UCLA Medical Center
Residency

Alan Tang, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Alejandro Ramirez, MD

Board Certified Anesthesiology

University of California Irvine Residency

Amir Khazaieli, MD

Board Eligible
Pediatric Anesthesia
Critical Care Medicine Fellowship

Henry Ford Health Residency

Andre Turnquest, MD

Board Eligible

Ross University School of Medicine Residency

Andrew Chen, DO

Board Certified Anesthesiology
Regional Anesthesiology and Acute Pain Medicine

University of Arizona Residency

Andrew Sumarto, MD

Board Certified Anesthesiology

UCLA Medical Center Residency

Anna Adongo, MD

Board Certified Anesthesiology
Perioperative Medicine

UCLA Medical Center Residency

Anthony Nguyen, DO

Board Certified Anesthesiology

University of Texas Health Science Center at Houston Residency

Anu Gopinath, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Tufts Medical Center Residency

Armen Chalian, MD

Board Certified Anesthesiology

UCLA Medical Center Residency

Benjamin Kavoossi, MD

Board Certified Anesthesiology

University of California Irvine Residency

Bobby Bahadorani, DO

Board Certified Anesthesiology
Cardiothoracic Anesthesia

Cleveland Clinic Residency

Charles Jun, DO

Board Eligible
Pain Management

John H. Stroger Hospital Residency

Charles Shaller, MD

Board Eligible
Pain Management

Maimonides Medical Center Residency

Christine Ayoub, DO

Board Certified Anesthesiology
Pediatric Anesthesia

Tufts Medical Center Residency

Christopher Duong, MD

Board Eligible

Harbor-UCLA Medical Center Residency

Christopher Lim, MD

Board Certified Anesthesiology

University of Southern California Residency

Claudia Klein, MD

Board Certified Anesthesiology
Pediatric Anesthesia

University of Texas Southwestern Residency

Clifford Char, MD

Board Certified Anesthesiology
Pediatric Anesthesia
Cardiac Anesthesia
Pain Management

Harvard Medical School Residency

Craig Flath, MD

Board Certified Anesthesiology
Pediatric Anesthesia

UCLA Medical Center Residency

Da Wang, MD

Board Certified Anesthesiology
Pediatric Anesthesia

University of Medicine and Dentistry New Jersey Residency

Dale Davis, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

David English, MD

Board Certified Anesthesiology

University of Washington Medical Center Residency

Devin Tang, MD

Board Certified Anesthesiology

Hospital of the University of Pennsylvania Residency

Dominador Cariaso, MD

Board Certified Anesthesiology
Obstetric Anesthesia

Northwestern University Medical School Residency

Edward DiGiamarino, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Edward Lee, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Emiley Tou, MD

Board Certified Anesthesiology
Obstetric Anesthesia

Cedars-Sinai Medical Center Residency

Eric Ontiveros, MD

Board Certified Anesthesiology

University of California San Francisco Residency

Eric Wellmeyer, MD

Board Certified Anesthesiology

UCLA Medical Center Residency

Fadi Tahrawi, DO

Board Certified Anesthesiology

University of Southern California Residency

Francis Sweeny, MD

Board Certified Anesthesiology
Pediatric Anesthesia
Cardiac Anesthesia

Harbor-UCLA Medical Center Residency

George Cheng, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Grant Lundie, MD

Board Certified Anesthesiology

Harvard Medical School Residency

Grant Monson, MD

Board Eligible

Loma Linda University Medical Center Residency

Gregory Ching, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Gregory Perkins, MD

Board Certified Anesthesiology

Washington University Residency

Hai Nguyen, MD

Board Certified Anesthesiology
Pain Medicine

University of Medicine and Dentistry New Jersey Residency

Harpreet Sandhu, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Ian Chait, MD

Board Certified Anesthesiology
Pediatric Anesthesia
Cardiac Anesthesia
Obstetric Anesthesia

University of California Irvine Residency

Ian Sandy, MD

Board Certified Anesthesiology

Baylor College of Medicine, Anesthesia Residency

Loma Linda University Medical Center, Internal Medicine Residency

Jack Canton, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Harvard Medical School Residency

James Cheon, MD

Board Certified Anesthesiology
Pediatric Anesthesia

University of Chicago Residency

Janet Zhu, DO

Board Certified Anesthesiology
Pediatric Anesthesia

Riverside University Health System Medical Center Residency

Jason Cheung, MD

Board Certified Anesthesiology
Obstetric Anesthesia

University of California Irvine Residency

Jason Dacosta, MD

Board Certified Anesthesiology

Case Western Reserve University Residency

Jason Kim, DO

Board Eligible

Cedars-Sinai Medical Center Residency

Jasvinder Singh, MD

Board Certified Anesthesiology
Cardiothoracic Anesthesia

Albany Medical Center Residency

Jasvir Sandhu, MD

Board Certified Anesthesiology
Board Certified Internal Medicine

Harvard Medical School Anesthesia Residency
Stanford University Medical Center Internal Medicine Residency

Jatinder Singh, DO

Board Certified Anesthesiology

University of Texas at Galveston Residency

Jeffrey Sarmiento, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Cook County Hospital Residency

John Bui, MD

Board Certified Anesthesiology

UCLA Medical Center Residency

John Cross, MD

Board Certified Anesthesiology
Pediatric Anesthesia

UC Davis Residency

John Harris, MD

Board Certified Anesthesiology

UCLA Medical Center Residency

John MacCarthy, MD

Board Certified Anesthesiology

Naval Medical Center San Diego Residency

John McNutt, MD

Board Certified Anesthesiology
Addiction Medicine

Stanford University School of Medicine Residency

John Oakley, MD

Board Certified Anesthesiology

University of California San Diego Residency

John Son, MD

Board Eligible

University of California Irvine, Residency

Jonathon Ahn, MD

Board Eligible

Loma Linda University Medical Center Residency

Joseph Cochoit, MD

Board Certified Anesthesiology

University of California San Diego Residency

Joseph Kim, MD

Board Certified Anesthesiology
Pediatric Anesthesia

University of California Irvine Residency

Karen Brichta, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Karen Gan, MD

Board Certified Anesthesiology
Board Certified General Surgery

Loma Linda University Medical Center Residency
Loma Linda University Medical Center General Surgery Residency

Kaveh Matin, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Keena Kohl, MD

Board Eligible

Rush University Residency

Kevin Aung, MD

Board Certified Anesthesiology

University of Arkansas Residency

Kishan Patel, MD

Board Certified Anesthesiology

Froedtert Lutheran Memorial Hospital Residency

Klane Hales, MD

Board Certified Anesthesiology

University of Southern California Residency

Kristine Paik, MD

Board Certified Anesthesiology

Northwestern University Residency

Kunal Jardosh, MD

Board Certified Anesthesiology

Rutgers Medical School Residency

Kyle Wehner, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Larry Vazquez, MD

Board Certified Anesthesiology
Pain Management

John H. Stroger Hospital Residency

Lorraine Kaelin, MD

Board Certified Anesthesiology

University of Southern California Residency

Louis Lim, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Louis Ng, MD

Board Certified Anesthesiology

University of California Irvine Residency

Lynnus Peng, MD

Board Certified Anesthesiology

Johns Hopkins University Residency

Manoj Kulkarni, MD

Board Certified Anesthesiology

University of California Irvine Residency

Mark Chen, DO

Board Certified Anesthesiology

University of Kentucky Residency

Mark Poblete, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Melanio Bruceta, MD

Board Certified Anesthesiology
Pain Medicine

Penn State Health Milton S. Hershey Medical Center Residency

Michael Girma, MD

Board Certified Anesthesiology

Critical Care Anesthesia

Ronald Regan UCLA Medical Center Residency

Michael Lillie, MD

Board Certified Anesthesiology

University of Southern California Residency

Michael Tien, MD

Board Certified Anesthesiology
Cardiac Anesthesia

Stanford University School of Medicine Residency

Michelle Kim, MD

Board Certified Anesthesiology

University of California Irvine Residency

Monif Chehade, MD

Board Certified Anesthesiology

Texas Tech University Anesthesia Residency

Mrunal Bhatt, MD

Board Certified Anesthesiology

Mount Sinai University Residency

Nahee Lee, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Nancy Rios, MD

Board Eligible

University Hospitals Cleveland Medical Center Residency

Nathan Kudrick, MD

Board Certified Anesthesiology

University of California Irvine Residency

Nayer Toma, MD

Board Eligible
Cardiothoracic Anesthesia

Loma Linda University Medical Center Residency

Nicole Andonian, MD

Board Certified Anesthesiology
Regional Anesthesia

UCLA Medical Center Residency

Norichika Okada, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Brigham & Women's Hospital Residency

Patience Keregha, MD

Obstetric Anesthesia

King Drew Medical Center, UCLA Residency

Paul Padova, DO

Board Certified Anesthesiology

University of California Irvine Residency

Pedro Lopez, MD

Board Certified Anesthesiology

University of California San Francisco Residency

Perry Chu, MD

Board Certified Anesthesiology

Loma Linda University Medical School Residency

Peter Sawras, MD

Board Certified Anesthesiology

Harbor-UCLA Medical Center Residency

Philip Demman, MD

Board Certified Anesthesiology

University of Southern California Residency

Prasong Vassantachart, MD

Board Certified Anesthesiology

University of Southern California Residency

Rajesh Bhat, MD

Board Certified Anesthesiology
Pediatric Anesthesia
Cardiac Anesthesia

University of Chicago Anesthesia Residency
Rush Presbyterian-St. Luke's Medical Center Pediatric Residency

Ralph da Graca, MD

Board Certified Anesthesiology
Pediatric Anesthesia

University of Medicine and Dentistry New Jersey Residency

Ramez Ghaly, MD

Board Certified Anesthesiology

Cedars-Sinai Medical Center Residency

Randhir Kaboo, MD

Board Certified Anesthesiology
Pain Medicine

University of Maryland Residency

Rasvin Grewal, MD

Board Certified Anesthesiology

University of California Irvine Residency

Rebecca Sangster, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Stony Brook University Hospital Residency

Rebekah Nam, MD

Board Certified Anesthesiology

New York University School of Medicine Residency

Richard Bollin, MD

Board Certified Anesthesiology

Loma Linda University Medical Center Residency

Rikesh Govan, MD

Board Certified Anesthesiology

Boston University Residency

Russell Dorado, MD

Board Certified Anesthesiology

University of Texas Health Science Center Residency

Russell Igarashi, MD

Board Eligible

Rush University Residency

Sahar Honari, MD

Board Certified Anesthesiology

University of Illinois, Anesthesia Residency

University of Southern California, General Surgery Residency

Salomon Maya, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Harvard Medical School Residency

Shawn Engelhart, MD

Board Eligible

Loma Linda University Medical Center Residency

Sherif Meckael, MD

Board Certified Anesthesiology
Pediatric Anesthesia

Montefiore Medical Center Residency

Son Tran, MD

Board Certified Anesthesiology

University of Rochester Residency

Stanley Abshier, MD

Board Certified Anesthesiology

University of Arizona Residency

Stanley Hoang, MD

Board Certified Anesthesiology

University of Texas Medical Branch Residency

Steven Gin, MD

Board Certified Anesthesiology

University of Southern California Residency

Steven Maler, MD

Board Certified Anesthesiology

UC Davis Residency

Talia Dagher, MD

Perioperative Medicine

UCLA Medical Center Residency

Thanh Tran, MD

Board Certified Anesthesiology
Pediatric Anesthesia

University of California San Francisco, Anesthesia and Perioperative Care Residency

Theodore Quilligan, MD

Board Certified Anesthesiology

University of California Irvine Residency

Thuan Tu, MD

Board Certified Anesthesiology

Baylor College of Medicine Residency

Timothy Downing, MD

Board Certified Anesthesiology
Pain Medicine

University of California Irvine Residency

Tino Chen, MD

Board Certified Anesthesiology

University of California Irvine Residency

Tony Ho, MD

Board Certified Anesthesiology

University of California Irvine, Anesthesia Residency

Tony Hu, DO

Board Certified Anesthesiology

Riverside University Health System Medical Center Residency

Trevin Nishibun, MD

Board Eligible

Loma Linda University Medical Center Residency

Van (Nancy) Trinh, DO

Board Eligible
Cardiothoracic Anesthesia

Kaweah Health Medical Center Residency

Vincent Lin, MD

Board Certified Anesthesiology

University of California Irvine Residency

Vivian Tanaka, MD

Board Certified Anesthesiology

Beth-Israel Deaconess Hospital Residency

Willem Xu, MD

Board Eligible

Sidney Kimmel Medical College Residency

Zhaoyi Tang, MD

Board Eligible
Obstetric Anesthesia

Cedars-Sinai Medical Center Residency