Fellow Physicians
Anesthesiology Critical Care Medicine Fellow Physicians
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Jason Batten, MD, MBA
![Headshot of Joshua Hubert](/sites/default/files/styles/square_003000_120x120/public/images/e9/img-7119.jpeg?h=53db5c16&f=16b96bda&itok=LRHpa8o9)
Joshua Hubert, DO, MS
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Nicholas Kalekas, DO
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Andrew Lin, MD
![Sergey Progushev, MD](/sites/default/files/styles/square_003000_120x120/public/images/Progushev%2C%20Sergey%20%281%29.jpg?h=46195d6a&itok=ooI5oRNo)
Sergey Progushev, MD
Adult Cardiothoracic Anesthesiology Fellow Physicians
![Headshot of Khristine Ghemigian](/sites/default/files/styles/square_003000_120x120/public/images/d6/img-3568.jpeg?f=f154dfd8&itok=GJiDvele)
Khristine Ghemigian, MD, MHS
![Headshot of Joyce Hsiao](/sites/default/files/styles/square_003000_120x120/public/images/1f/headshots.png?f=4c65b21d&itok=sc4zNMwJ)
Joyce Hsiao, DO
![Headshot of Cheng Cheng Ma](/sites/default/files/styles/square_003000_120x120/public/images/59/1603-2018-1237132108032278734.jpg?h=6321582b&f=19eebacb&itok=0oipTd46)
Cheng Cheng Ma, MD
Liver Transplantation Anesthesiology Fellow Physicians
![Headshot of Steffi Chan](/sites/default/files/styles/square_003000_120x120/public/images/c2/img-20231116-103259-992.jpg?h=3a58b7dd&f=1657a9ad&itok=afuflTYz)
Steffi Chan, MBBS, MMed
![Headshot of Yi Wei Tan](/sites/default/files/styles/square_003000_120x120/public/images/28/white-coat-photo.jpg?f=3d28c41d&itok=4002Y24T)
Yi Wei Tan, MBBS, MMed
Obstetric Anesthesiology Fellow Physician
Pain Medicine Fellow Physicians
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Elena Madan, MD
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Kristina Michaud, DO, MS
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Alex Pham, MD, MS
![Headshot of Tiffany Russ](/sites/default/files/styles/square_003000_120x120/public/images/8b/tiffany-russ.png?f=0e565a55&itok=ISkDXYk7)
Tiffany Russ, DO, MS
Pediatric Anesthesiology Fellow Physician
![Headshot of michael_van_tienderen](/sites/default/files/styles/square_003000_120x120/public/images/d4/michael-van-tienderen_0.jpeg?h=bdb31c53&f=027ba174&itok=-iC0MVh8)
Michael Van Tienderen, DO
Regional Anesthesiology & Acute Pain Medicine Fellow Physicians
![Headshot of Steve Kwon, MD](/sites/default/files/styles/square_003000_120x120/public/images/6d/screen-shot-2024-02-08-24445-pm.png?h=eeca2f57&f=64ab5157&itok=Rf5UbaGJ)
Steve Kwon, MD
![Headshot of Jessica Liu, DO](/sites/default/files/styles/square_003000_120x120/public/images/41/jessica-liu.jpg?h=8f5f7314&f=ae9b029f&itok=gtDvo4V7)
Jessica Liu, DO
![Headshot of Nathan Rietberg, MD](/sites/default/files/styles/square_003000_120x120/public/images/14/img-0703.jpeg?f=b9a93f36&itok=vwGlxHtV)
Nathan Rietberg, MD