About Us

Center for Colorectal Care Team

Ashlee Godshalk Ruggles
Director

Ashlee Godshalk Ruggles

MD

Director, Colorectal Surgery

Learn more about Ashlee Godshalk Ruggles’s background >
John Smith Berry IV

John Smith Berry IV

MD, FACS

Colorectal Surgery

Learn more about John Smith Berry IV’s background >
Hongyan Liang

Hongyan Liang

MD, PhD

Hematology Oncology Specialists

Learn more about Hongyan Liang’s background >
Eric Schwartz

Eric Schwartz

MD

Radiologist

Nikhil Thaker

Nikhil Thaker

MD, MHA, MBA, PMP, CMQ, FABS, DABR, FAMIA

Medical Director, Stereotactic Radiosurgery

Learn more about Nikhil Thaker’s background >
Kristina Zarkua

Kristina Zarkua

MD

Hematology Oncology Specialists

Learn more about Kristina Zarkua’s background >
Sarah Crowley

Sarah Crowley

MS, RD, CSO

Oncology Nutritionist

Lauren Kriegel

Lauren Kriegel

LCSW, OSW-C

Oncology Social Worker

Dhara Patel

Dhara Patel

Oncology Clinical Research Coordinator

Melissa Phelps

Melissa Phelps

RD, CSO

Oncology Nutritionist

Tina Schellhorn

Tina Schellhorn

BSN, RN

Colorectal Nurse Navigator

Claire Westerfield

Claire Westerfield

BSN, RN

Surgical Team Registered Nurse

Taryn Whitehead

Taryn Whitehead

MSN, APN, AGPCNP-BC

Nurse Practioner

Matthew Marx

Matthew Marx

DNP

Hematology Oncology Nurse Practitioner