Center for Spine and Orthopedics Fellows

Improving Health Care Locally and Globally

Improving global healthcare is part of our mission at the Center for Spine and Orthopedics (CSO). We aim to do this by transferring clinical knowledge and educating and training future and existing health care professionals.

Our CSO team offers educational opportunities for medical students, physician assistants (PA), nurse practitioners, orthopedic surgeons, spine surgeons and international guests. Below are some of our recent PA fellows, American fellows and international guests.

Zhihong Chew, MD

Orthopedic Spine Surgeon Fellow

Christine DiPompeo, MD

Orthopedic Surgeon/Spine Fellow, August 2021-July 2022

Hewatt McGraw “Mac” Sims, MD

Spine Fellowship, July 2002-July 2003

Currently: Orthopedic Spine Center; Tifton, GA

Douglas B. Kascow, DO

Spine Fellowship, 2003-2004

Currently: Ortho Atlanta; GA

Nicholas Grisoni, MD

Spine Fellowship, 2007-2009

Currently: Orthopedic Institute of Dayton; OH

Jason Datta, MD

Spine Fellowship, 2002-3003

Currently: Sonoran Spine; Mesa, AZ

Ashvin Patel, MD

Spine Fellowship, 1993 (Lakewood Orthopaedic Clinic)

Currently: Kennedy White Orthopaedic Center; Sarasota, FL

Physician Assistant Fellows

Carly Gilamanis, PA-C

Fellowship October 2019-April 2020

CSO starting April 2020

Crystal Jasch, PA-C

Fellowship: November 2014-May 2015

Currently: Surgical Specialists of Clear Lake, TX

Robert Cox, PA-C

Fellowship: April-September 2017

Currently: Parker Adventist Hospital, CO

Lauren Milleville, PA-C

Fellowship: August 2014-April 2015

Currently: Orthopedic Medical Specialists, TX

Katherine Weisenborn, PA-C

Fellowship: December 2015-2016

CSO December 2016-Present

Caleb Jennings, PA-C

Fellowship: October 2014-2015 CSO October 2015-June 2019

Currently: Concentra

International Guests

  • Khaldoun El Abed – Saudi Arabia
  • Dr. Ali Al-Hili – Iraq
  • Bassem Awad – Egypt
  • Joseph Borg – England
  • Peng Cao – China
  • Yang Chen – China
  • Yuan Feng – China
  • Jose Fleiderman – Chile
  • Lingjie Fu – China
  • Javier Gutierrez – Chile
  • Guangyu Hu – China
  • Dr. Oluwole Olugbeniga Ige – Nigeria
  • Franciso Illabaca – Chile
  • Takahiro Ishii – Japan
  • Dr. Yu Jiang – China
  • Sharif Ahmed Jonayed – Bangladesh
  • Tan Jun – China
  • Navin Karn – Nepal
  • Manoj Khatri – England
  • Tao Li – China
  • Bing Li – China
  • Rongbiao Lin – China
  • Hao Liu – China
  • Feizhou Lu – China
  • Xin Ma – China
  • Hazem Magableh – Jordan
  • Enzo Mantelli – Chile
  • Vivek Panikkar – England
  • Xinsheng Peng – China
  • Hamed Reihanikermani – Iran
  • Virender Sahni – India
  • Marcos Schugurensky, MD – Chili
  • Ajay Kumar Sharma – Malaysia
  • Qingjun Su – China
  • Tienshang Sun – China
  • Tianwei Sun – China
  • Pablo Vela – Columbia
  • Xinwei Wang – China
  • Goichi Watanabe – Japan
  • Ji Wu – China
  • Jianwei Xu, MD – China
  • Dr. Peng Xu – China
  • Feng Xue – China
  • Xiaojian Ye – China
  • Fengshan Zhang – China
  • Li Zhang – China
  • Xingkai Zhang – China
  • Xuesong Zhang – China
  • Haitao Zhou – China
  • Jinyu Zhu – China
  • Chen Yu – China
  • Lin “Felix” Wang – China

“Mike, You are an awesome mentor and an awesome “coach.” You have changed my attitude toward work and life. Thank you for letting me spend an important part of my life with you…I will cherish the experience with you in Denver…”

Lin Wang, China August 2019