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.

Ada Hernandez, MD
Board Certified Anesthesiology
University of California Irvine
Residency


















Adrian Ng, MD
Board Certified Anesthesiology
University of Southern California (LAC-USC) Medical Center 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 Anesthesiology
UCLA Medical Center Residency


Alan Tang, MD
Board Eligible Anesthesiology
Loma Linda University Medical School Residency


Alejandro Ramirez, MD
Board Certified Anesthesiology
University of California Irvine Residency


















Andrew Chen, DO
Board Certified Anesthesiology Regional Anesthesia and Acute Pain
University of Arizona Residency


Andrew Sumarto, MD
Board Certified Anesthesiology
University of California Los Angeles Residency


Anna Adongo, MD
Board Certified Anesthesiology
University of California Los Angeles Residency


Anu Gopinath, MD
Board Certified Anesthesiology Pediatric Anesthesia
Tufts Medical Center Residency


Armen Chalian, MD
Board Certified Anesthesiology
University of California Los Angeles Residency


Benjamin Kavoossi, MD
Board Certified Anesthesiology
University of California Irvine Residency


Bobby Bahadorani, DO
Board Certified Anesthesiology Cardiothoracic Anesthesia
Cleveland Clinic Residency


















Chris Kanda, MD
Board Eligible Anesthesiology
Harbor UCLA Medical Center Residency


















Christine Ayoub, DO
Board Certified Anesthesiology Pediatric Anesthesia
Tufts Medical Center Residency


Christopher Lim, MD
Board Certified Anesthesiology
University of Southern California (LAC-USC) Medical Center Residency


















Claudia Klein, MD
Board Certified Anesthesiology Pediatric Anesthesia
University of Texas Southwestern Residency


Clifford Char, MD
Board Certified Anesthesiology Pediatric Anesthesia Cardiac Anesthesia Regional Anesthesia and Acute Pain
Harvard Medical School Residency


Craig Flath, MD
Board Certified Anesthesiology
Pediatric Anesthesiology
University of California Los Angeles Residency


Da Wang, MD
Board Certified Anesthesiology Pediatric Anesthesia
UMDNJ/New Jersey Medical School Residency


Dale Davis, MD
Board Certified Anesthesiology
Loma Linda University Medical School 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


Ed DiGiamarino, MD
Board Certified Anesthesiology
Harbor UCLA Medical Center Residency


Edward Lee, MD
Board Certified Anesthesiology
Harbor UCLA Medical Center Residency


Eric Ontiveros, MD
Board Certified Anesthesiology
University of California San Francisco Anesthesia Residency


Eric Pearson, MD
Board Certified Anesthesiology
University of California Los Angeles Residency


Eric Wellmeyer, MD
Board Certified Anesthesiology
University of California Los Angeles Residency


Fadi Tahrawi, DO
Board Certified Anesthesiology Cardiothoracic Anesthesia
University of Southern California (LAC-USC) Medical Center 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 School Residency


Gregory Ching, MD
Board Certified Anesthesiology
Loma Linda University Medical School Residency


Gregory Perkins, MD
Board Certified Anesthesiology
Washington University Residency


Hai Nguyen, MD
Board Certified Anesthesiology Cardiothoracic Anesthesia
Regional Anesthesia and Acute Pain
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 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 Eligible 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 Anesthesiology
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
Massachusetts General Hospital Anesthesia Residency Standford University Medical Center Internal Medicine Residency


Jatinder Singh, DO
Board Certified Anesthesiology
University of Texas Medical Branch Residency


Jeffrey Sarmiento, MD
Board Certified Anesthesiology Pediatric Anesthesia
Cook County Hospital Residency


John Bui, MD
Board Certified Anesthesiology Pediatric Anesthesia
University of California Los Angeles Residency


John Cross, MD
Board Certified Anesthesiology Pediatric Anesthesia
University of California Davis Residency


John Harris, MD
Board Certified Anesthesiology
UCLA Medical Center Residency


John Lin, MD
Board Certified Anesthesiology
Harvard Medical School Residency


John MacCarthy, MD
Board Certified Anesthesiology
Naval Medical Center Residency


John Oakley, MD
Board Certified Anesthesiology
University of California San Diego Residency


Joseph Cochoit, MD
Board Certified Anesthesiology
University of California San Diego Medical Center Residency


Joseph Kim, MD
Board Certified Anesthesiology
University of California Irvine Residency


Karen Brichta, MD
Board Certified Anesthesiology
Harbor UCLA Medical Center Residency


Karen Gan, MD
Board Certified Anesthesiology General Surgery
Loma Linda Unversity Medical Center Residency


Kaveh Matin, MD
Board Certified Anesthesiology
Harbor UCLA Medical Center Residency


Kevin Aung, MD
Board Certified Anesthesiology
University of Arkansas Residency


Kishan Patel, MD
Board Certified Anesthesiology Cardiac Anesthesia
Froedtert Lutheran Memorial Hospital Residency


Klane Hales, MD
Board Certified Anesthesiology
University of Southern California (LAC-USC) Medical Center Residency


















Kristine Paik, MD
Board Certified Anesthesiology Cardiothoracic Anesthesia
McGaw Medical Center of Northwestern University Residency


















Kunal Jardosh, MD
Board Certified Anesthesiology
Rutgers Medical School Residency


Kyle Wehner, MD
Board Certified Anesthesiology
Loma Linda University Medical School Residency


Lorraine Kaelin, MD
Board Certified Anesthesiology
University of Southern California (LAC-USC) Medical Center Residency


Louis Lim, MD
Board Certified Anesthesiology
Loma Linda University Medical School Residency


















Louis Ng, MD
Board Certified Anesthesiology
University of California Irvine Residency


Lynnus Peng, MD
Board Certified Anesthesiology
Emergency Medicine
Johns Hopkins Hospital Anesthesia Residency
UCI Emergency Medicine Residency


Manoj Kulkarni, MD
Board Certified Anesthesiology
University of California Irvine Residency


Mark Chen, DO
Board Certified Anesthesiology
University of Kentucky Residency


Michael Lillie, MD
Board Certified Anesthesiology
University of Southern California (LAC-USC) Medical Center Residency


















Michelle Kim, MD
Board Certified Anesthesiology
University of California Irvine Residency


Monif Chehade, MD
Board Certified Anesthesiology Cardiothoracic Anesthesia
Texas Tech University Residency


Mrunal Bhatt, MD
Board Certified Anesthesiology Cardiothoracic Anesthesia
Mount Sinai Residency


Nahee Lee, MD
Board Certified Anesthesiology
Harbor UCLA Medical Center Residency


Nathan Kudrick, MD
Board Certified Anesthesiology
University of California Irvine Residency


Nicole Andonian, MD
Board Certified Anesthesiology
Regional Anesthesiology
UCLA Medical Center Residency


Norichika Okada, MD
Board Certified Anesthesiology Pediatric Anesthesia
Brigham & Women's Hospital Residency


Paul Padova, DO
Board Certified Anesthesiology
University of California Irvine Residency


Pedro Lopez, MD
Board Certified Anesthesiology
Board Certified Internal Medicine
University of California San Francisco Anesthesia Residency
UCLA San Fernando Valley Internal Medicine 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 (LAC-USC) Medical Center Residency


Prasong Vassantachart, MD
Board Certified Anesthesiology
University of Southern California (LAC-USC) Medical Center Residency


Rajesh Bhat, MD
Board Certified Anesthesiology Pediatric Anesthesia Cardiac Anesthesia Critical Care
University of Chicago Anesthesia Residency
Rush Presbyterian-St. Luke's Medical Center Pediatric Anesthesia Residency


Ralph da Graca, MD
Board Certified Anesthesiology Pediatric Anesthesia Cardiac Anesthesia
University of Medicine andDentistry New Jersey Residency


Randhir Kaboo, MD
Board Certified Anesthesiology Regional Anesthesia and Acute Pain
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 School Residency


Rikesh Govan, MD
Board Certified Anesthesiology
Boston University Residency


Russell Dorado, MD
Board Certified Anesthesiology
University of Texas Health Science Center Residency


Sahar Honari, MD
Board Certified Anesthesiology
Advocate Illinois Masonic Medical Center Residency


Salomon Maya, MD
Board Certified Anesthesiology Pediatric Anesthesia
Harvard Medical School Residency


Sherif Meckael, MD
Board Certified Anesthesiology Pediatric Anesthesia Cardiac 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 (LAC-USC) Medical Center Residency


Steven Maler, MD
Board Certified Anesthesiology Cardiothoracic Anesthesia
University of California Davis Residency


Thanh Tran, MD
Board Certified Anesthesiology Pediatric Anesthesia
University of California San Francisco 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
University of California Irvine Residency


















Timothy Weaver, MD
Board Eligible Anesthesiology
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 Residency


















Tony Hu, DO
Board Certified Anesthesiology
Riverside University Health System 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


Yung Jow, MD
Board Certified Anesthesiology
University of Chicago Residency