Gonzalo Martinez, MD


Dr. Gonzalo Martinez graduated from the University of California, Irvine Medical School and is a board-certified family medicine with over 30 years of experience. He provides compassionate care to patients of all ages at Joshua Medical Group, located in Palmdale, California.

Whether patients seek care for women’s health, men’s health, pediatric care, diabetes, high blood pressure, or high cholesteror, Dr. Martinez delivers state-of-the-art treatments with a patient-centered approach.

He gives each patient the time they deserve in a warm and comforting environment. Patients aren’t just a number at Joshua Medical Group since premium patient care is number one priority. In fact, Dr. Gonzalo received numerous Vitals.com awards, including Compassionate Doctor Recognition, Patients’ Choice Award, and Patients’ Choice 5th Anniversary Award.

Preventive medicine is Dr. Martinez’s number one goal, which means he prevents and treats conditions before severe problems arise. He also recommends the least invasive treatment options first. Dr. Gonzalo is fluent in English and Spanish and is currently accepting new patients at his Palmdale office.


Kay Roberts, PA


Mr. Kay Roberts PA has been with Joshua Medical Group since its inauguration in 2007. He obtained his undergraduate degree in Pre-Med Studies and Electrical Engineering from Idaho State University before receiving his P.A degree from Rutgers University in 1983. As a P.A who specializes in Family Medicine, Kay has years of experience treating a wide spectrum of medical conditions. Kay has been servicing the Antelope Valley since 1983 and emphasizes treating each patient individually, not as a number, with respect and dignity.


Otis Wright, GNP


Mr. Otis Wright GNP joins Joshua Medical Group with 20 years of medical experience with specialties in Family Medicine and Geriatric Medicine. He studied Nursing at Fayetteville State University before obtaining his Master’s Degree and license as a Nurse Practitioner at University of Texas, San Antonio in 2006. Otis has been servicing the Antelope Valley community for the past 12 years and has an abundance of knowledge and experience with both physical and mental illness. Joshua Medical Group is excited and proud to introduce Mr. Otis Wright GNP to our team of experienced medical professionals.