Gabriela Kaufman, MD, PLLC

Medical Degree: ​University of Texas Health Science Center

Residency: University of Colorado

Fellowship​: University of Virginia

Infectious Disease Interests:

Treatment of Clostridium difficile infections, hospital infection control, antibiotic stewardship


Dr. Pawlowski enjoys spending his personal time fishing and spending time with his family. It is also rumored that he is an excellent cook. He is married to Dr. Aimee Truesdale, and they have two girls that keep them busy.

Call Us:  (303) 777-0781

Medical Degree: ​Virginia Commonwealth University

Residency: University of Illinois-Chicago

Fellowship​: Rush University Medical Center and Cook County Hospital

Infectious Disease Interests:

HIV/AIDS, pulmonary infections 


Dr. Schulman was born in Columbia, Maryland. He relocated to Colorado during the COVID pandemic to explore the Rockies. In his spare time, he enjoys hiking, skiing, and attending concerts at Red Rocks.

Colorado Infectious Disease Associates

Joined CIDA 2013

Languages: English

Medical Degree: ​University of Pittsburgh School of Medicine

Residency: Emory University

Fellowship​: University of Colorado

Infectious Disease Interests:

Antibiotic-resistant infections, HIV


Dr. Siebert is a Colorado native. He enjoys skiing, cheering on all of the local sports teams, and spending time with his wife, Jenny, and their sons.

Our Physicians

Joined CIDA 2022

Languages: English


Joined CIDA 2019

Languages: English

Marc Schulman, MD

Joined CIDA 2010

Languages: English, Spanish

Joined CIDA 2013

Languages: English, Romanian

Medical Degree: Victor Babeș University of Medicine and Pharmacy, Romania

Residency: University of Wisconsin

Fellowship​: University of Utah

Infectious Disease Interests:

Developed and maintained a subsidiary travel clinic in her previous job with Mayo Health


Dr. Kaufman is originally from Romania. She proudly holds a second-degree black belt in Taekwondo and enjoys reading, skiing, travel, and outdoor activities, as well as maintaining a busy schedule with her childrens' school and many athletic endeavors in her off time.

Sean Pawlowski, MD, PLLC

Joined CIDA 2009

Languages: English

Medical Degree: ​Vanderbilt University

Residency: University of Colorado

Fellowship​: University of California, Davis

Infectious Disease Interests:

HIV/Hepatitis C co-infection, AIDS, Coccidioides immitis infections


Dr. Eison likes to spend as much time enjoying many of Colorado's outdoor sports as possible. He is married to Dr. Michelle Draznin, and together they have two children.

Robert Eison, MD, PLLC

Paul Siebert, MD, PLLC

Kathryn Springer, MD, PC

Simona Oprea, MD, PC

Medical Degree: ​Iuliu Hațieganu University of Medicine and Pharmacy, Romania

Residency: Beaumont Health System

Fellowship​: Beaumont Health System

Infectious Disease Interests:



Dr. Oprea originally comes from Romania. She is the winner of the Healthgrades Hospital Award for Clinical Excellence in both 2013 and 2015. She is married to Dr. Mircea Petrina and enjoys spending time with him and their three children.

Medical Degree: ​University of North Carolina

Residency: Dartmouth-Hitchcock

Fellowship​: University of Colorado

Infectious Disease Interests:

Director of travel medicine and infection control at Porter Adventist Hospital, director of wound care and infection control at Kindred Hospital Denver


Dr. Springer was raised in North Carolina. Her passions are caring for a diverse range of patients with various infectious disease issues. She is well-known for being thorough and compassionate. She is married to Dr. Erik Springer and enjoys spending time with him and their two boys.

Joined CIDA 2003

Languages: English, Romanian, Hungarian