Staff

You will be joining a comprehensive team of five Hematologist/Oncologists and five APPs. There are currently seven Hem/Onc providers in Colorado Springs, however Dr. Srivastava will be leaving in March and Dr. Rana will no longer be working full-time. Dr. Rana will still be available for call.

There are four Radiation Oncologists, one Surgical Oncologist and several general surgeons, one Pediatric Oncologist, one Gynecological Oncologist, two ENTs that specialize in Head and Neck Cancers, and one plastic surgeon who specializes in oncology.    

Hematology Oncologists

Dr. Robert Hoyer
Dr. Ann Mellott
Dr. Uchenna Njiaju
Dr. Vishal Rana
Dr. Geetika Srivastava
Dr. Pei Zhang, MD
Dr. Rubens Chang   

APPs

Lisa Adams, PA-C
Rose Gates, NP
Jessica Klein, NP
Jenna Oropeza, PA-C
Sarah Larson, PA-C

UCHealth Cancer Care and Hematology Clinic – Memorial Hospital Central
UCHealth Cancer Care and Hematology Clinic – Memorial Hospital North

Pediatric Oncology

Dr. Lisa Reaves, MD

Radiation Oncology

Dr. Mackenzie Daly, MD
Dr. Kaleigh Doke, MD
Dr. Jeffrey Olsen, MD
Dr. Jane Witter Ridings, MD
UCHealth Radiation Oncology – Memorial Hospital Central

Surgical Oncology 

Dr. John Hamner, MD 

Gynecological Oncology

Dr. Dirk Pikaart, DO

Plastic Surgery

Dr. Frederic Deleyiannis, MD, MPhil, MPH

ENT – Head & Neck Surgery

Dr. Stephen Newton, MD
Dr. Kimberly Atiyeh, MD 

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