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Matthew Arenibas, DNP, FNP

Matthew Arenibas, DNP, FNP a New Mexico native, graduated from New Mexico State University with a Doctorate in Nursing Practice and is a Board-certified Family Nurse Practitioner. Over the last 16 years, Matthew has served in various departments of the hospital such as critical care and the emergency department. He now serves as a Nurse Practitioner at Memorial  Urgent Care as well as in the MMC Emergency Department. In his time off, he enjoys spending time with his family.



Justin Montgomery, MSN, RN, FNP

Justin graduated Sigma Cum Laude from Carson Newman University with his master of nursing degree. Since then, he has worked on the east coast as a nurse practitioner. When he's not working in the Urgent Care Center, he enjoys fishing, mountaineering, weight lifting, and range shooting.



Ryan Sterling, NP

Ryan Sterling finished his Bachelor’s of Nursing at the University of Texas at El Paso in Nursing. He completed his Masters of Nursing with a focus in Family Practice from Walden University. Ryan has working experience in Emergency Medical Services (EMS), Emergency Room (ER), Infusion Therapy, Psychiatry and Family Medicine. Ryan possesses training and advanced certifications in Adult and Child Resuscitation and Trauma. Ryan is licensed to practice as a Nurse Practitioner in both Texas and New Mexico.

Memorial Urgent Care Sonoma

From sports injuries to allergies and flu shots and everything in between, the providers at Sonoma Urgent Care are trained to care for patients of all ages. Ready to answer your questions and diagnose your ailments quickly, our team is friendly, compassionate and available to care for you seven days a week.