Faculty and Residents
Partnering talented new providers with veteran faculty to ensure our communities receive consistent, high-caliber health care for generations to come. Our program works hand in hand with residents and patients to deliver insightful guidance and comprehensive instruction on a host of procedures, techniques, and best practices to grow specialized skills and maximize the impact of our care in our communities.
Sollus Northwest Faculty

Dr. Katheryn Norris, Residency Program Director
Dr. Norris is a distinguished osteopathic physician who's been recognized as both Physician of the Year and Educator of the Year. With extensive experience and numerous accolades, Dr. Norris brings enthusiasm and dedication to quality patient care, which she instills in all of the residents she mentors. Dr. Norris is the Founding Residency Director, bringing the program to life in 2013.

Dr. Whitchurch, Associate Program Director
Dr. Whitchurch is a full-spectrum family medicine physician with a focus on obstetrics and newborn care. Raised in a rural community in Northern California, she is committed to training physicians who serve the full breadth of their communities. She completed residency at Sollus Northwest Family Medicine Residency and a Rural Maternal Child Health Fellowship through Yakima Valley Farm Workers Clinic in Oregon. Her clinical practice includes outpatient family medicine, prenatal care, labor and delivery, and newborn medicine. Outside of work, she enjoys outdoor adventures and plays trombone in her local community band.
Billie McGarrah, MHI, C-TAGMEAdministrative Director of Residency Programs |
Marissa GarzaMedical Education Coordinator |
Miriam Leon OchoaMedical Residency Administrative Assistant |
Residents
PGY3
Brandon Lawrence, MBBS
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Brian Schindler, MD
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Ivan Cruse, MD
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Kevin Mangat, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
PGY2
Christopher Calderon-Rodgers, MD
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Laudat Mandelise, MD
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Muhammad Haneef, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
PGY1
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Congratulations to our 2025 Residency graduates!
Alumni with Yakima Valley Farm Workers Clinic
Aaron J. Cheng, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Annie Yi, MD
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Cindy Sun, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Hugo Peredo, MD
Languages: English
Jessica J. Roberts, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Keith E. Goodman, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Mario J. Gumina, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Shanette J. Bruce Owen, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Theresa J. Whitchurch, MD
Residency: Sollus Northwest Family Medicine Residency
Languages: English
Whitney K. Hale, DO
Residency: Sollus Northwest Family Medicine Residency
Languages: English