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Our Care Team

Medical Oncologists / Hematologists

Y. Haroon Ahmad, MD

Y. Haroon Ahmad, MD

Medical Oncologist / Hematologist
Catherine Azar, MD

Catherine Azar, MD

Medical Oncologist / Hematologist
Chirag Kapadia, MD

Chirag Kapadia, MD

Medical Oncologist / Hematologist
Rossa Khalaf, MD

Rossa Khalaf, MD

Medical Oncologist / Hematologist
Sivamurthy Kyathari, MD

Sivamurthy Kyathari, MD

Medical Oncologist / Hematologist
Manuel R. Modiano, MD

Manuel R. Modiano, MD

Medical Oncologist / Hematologist
Benjamin Schwartz, MD

Benjamin Schwartz, MD

Medical Oncologist/ Hematologist
Natalie A. Stanton, MD

Natalie A. Stanton, MD

Medical Oncologist / Hematologist

Radiation Oncologists

Samuel Day, MD, PhD

Samuel Day, MD, PhD

Radiation Oncologist
Robert Gin, MD

Robert Gin, MD

Radiation Oncologist
Andrew Orton, MD

Andrew Orton, MD

Radiation Oncologist

Advanced Practice Practitioners

Nancy Taylor, FNP-C

Nancy Taylor, FNP-C

Steven Malangone, MSN, FNP-C, AOCNP

Steven Malangone, MSN, FNP-C, AOCNP

New Patient?
Call Us

Green Valley
(520) 689-6992
La Cholla ProPark
Consultation visits only for Radiation Oncology
(520) 614-0824
Tucson – Fort Lowell
(520) 689-7022
(520) 881-0631
Tucson – Oro Valley
(520) 276-6047

Virtual & Telemedicine available.