Meet the Team

Please meet our core staff of physicians, nurse practitioners, and physician assistants.

Physicians

Lee Armstrong, MD
Methodist Children’s Hospital
with GSEP since November 2014

Momena Bajwa, MD
will be starting with GSEP early 2019

Mandie Baker, MD
with GSEP since August 2017

Zachary Baker, DO
will be starting with GSEP early 2019

Marie Berkenkamp, MD
Methodist Children’s Hospital
with GSEP since August 1995

Luke Berry, MD
will be starting with GSEP in 2019

James Black, MD
with GSEP since July 2014

Brad Boothby, MD
with GSEP since September 2014

Michelle Brucal, DO
will be starting with GSEP summer 2019

Liza Chopra, MD
with GSEP since August 2013

Eric Crandall, MD
with GSEP since October 2018

Dean Cromwell, MD
with GSEP since August 2014

Ryan Cruz, MD
with GSEP since July 2018

Charles Dees, MD
with GSEP since August 2014

Brian Dillon, MD
with GSEP since July 2018

Dale DuBois, MD
Methodist Children’s Hospital
with GSEP since July 2011

Gary Dufresne, DO
with GSEP since May 2014

Matthew Eaton, DO
with GSEP since August 2018

Patrick Eitter, MD
with GSEP since February 2013

Celia Escamilla, DO
will be starting with GSEP Fall 2019

David Farhat, MD
will be starting with GSEP in 2019

Garrett Frantz, MD
will be starting with GSEP fall 2019

Robert Frolichstein, MD
with GSEP since June 2002

Jennifer Gemmill, MD
with GSEP since May 2015

Craig Gerstenkorn, MD
with GSEP since January 1993

Randal Hale, MD
with GSEP since August 2017

Wright Hartsell, MD
with GSEP since July 1992

Courtney Horton, MD
Methodist Children’s Hospital
with GSEP since January 2018

Leslie Hunter, MD
Methodist Children’s Hospital
with GSEP since September 2014

Christine Johnson, MD
Methodist Children’s Hospital
with GSEP since October 2013

Na Rae Ju, MD
will be starting with GSEP early 2019

Ryan Julien, MD
with GSEP since October 2017

Nicholas Koneri, MD
will be starting with GSEP fall 2019

Nina Laudato, MD
will be starting with GSEP fall 2019

Amy Le, DO
with GSEP since August 2017

Courtney LeHew, MD
with GSEP since November 2018

Justin Martin, MD
will be starting with GSEP fall 2019

Kent Martin, MD
will be starting with GSEP fall 2019

Sumeru (Sam) Mehta, MD
with GSEP since November 2007

Rachel Metz, MD
with GSEP since July 2012

Colin Meyer, MD
with GSEP since August 2015

Matthew Miller, MD
with GSEP since July 2018

Kenneth Nugent, MD
with GSEP since July 2018

Benjamin Oglivie, MD
with GSEP since November 2018

Jennifer Pease, MD
with GSEP since July 2014

Sebrina Perkins, MD
Methodist Children’s Hospital
with GSEP since July 2002

Edward Porrata, MD
Methodist Children’s Hospital
with GSEP since October 1997

Salim Rezaie, MD
with GSEP since August 2016

Michael Richard, MD
with GSEP since July 1991

David Riojas, MD
Methodist Children’s Hospital
with GSEP since January 2011

Bradley Rockoff, MD
will be starting with GSEP fall 2018

Gabe Rodriguez, MD
with GSEP since December 2013

Michael Rokyta, MD
with GSEP since September 2018

James Row, MD
with GSEP since February 1984

Bennie Rush, MD
with GSEP since July 2016

Virginia Sanders, MD
Methodist Children’s Hospital
with GSEP since July 2011

Randall Schuster, MD
with GSEP since July 2007

Steven Shroyer, MD
with GSEP since July 1987

Morey Silverman, MD
with GSEP since September 2013

Charles Stephens, MD
with GSEP since August 2016

Robert James Stewart, MD
will be starting with GSEP fall 2019

Sushil Valavalkar, MD
with GSEP since November 2014

Gina Vento, MD
will be starting with GSEP fall 2019

LouAnne Wellford, MD
with GSEP since March 2005

Chris Welton, MD
with GSEP since July 2018

Jessica Wentling, DO
with GSEP since August 2017

Justin Williams MD
with GSEP since September 2013

Robert Wilson, MD
with GSEP since July 1995

Nurse Practitioners and Physician Assistants

Jessica Arispe, NP
with GSEP since April 2016

Kristina Boyanova, NP
will be starting with GSEP early 2019

Stacy Bratcher, NP
with GSEP since March 2017

Sadie Brown, PA
with GSEP since January 2018

Sumair Chaudry, NP
with GSEP since May 2018

Micah Chevalier, PA
with GSEP since August 2017

John Curran, PA
with GSEP since May 1998

Amy Darden, NP
with GSEP since February 2017

Sarah Dean, NP
with GSEP since June 2017

Golden Eagle, NP
with GSEP since March 2017

Sabrina Esquivel, NP
with GSEP since December 2015

Garcia Cristobal, NP
with GSEP since May 2018

Amber Hammer, NP
with GSEP since March 2017

Laura Haynes, PA
with GSEP since June 2017

Peter Kimball, PA
with GSEP since May 2017

Mary Maffei, NP
Methodist Children’s Hospital
with GSEP since August 2006

Crystal Maldonado, NP
with GSEP since April 2018

Kelsey McFatridge, PA
will be starting with GSEP early 2019

Abel Mendez, NP
with GSEP since August 2016

Joanne Minnick, NP
with GSEP since January 2018

Paula Montanaro, NP
with GSEP since September 2013

Monica Ochoa, NP
with GSEP since July 2018

Hector Pallares, NP
with GSEP since November 2017

Zach Taliaferro, NP
with GSEP since November 2018

Sean Therien, PA
with GSEP since October 2014

Erica Tolentino, NP
with GSEP since September 2015

Mary Waterman, NP
with GSEP since December 2015

Amara Waturuocha, PA
with GSEP since October 2017

Christine Yoo, NP
with GSEP since May 2018