Our Providers

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Online Locator

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Belen Gallarza-Wilson, M.D.

Belen Gallarza-Wilson, M.D.

Family Medicine

Dr. Belen Gallarza-Wilson is a physician specializing in family medicine. She graduated from the University of Southern California with a bachelor's degree in comparative literature and earned her medical doctorate at UCLA. Dr. Gallarza also completed her clinical residency in family medicine at Kaiser Permanente and Los Angeles Medical Center. She speaks English and moderate Spanish. She enjoys spending time with her family, exercising, hiking, reading, knitting, crocheting, and cooking healthy meals.

Britane Williams

Britane Williams, FNP-C

Family Medicine

Britane Williams is a board-certified family nurse practitioner specializing in family medicine. She speaks medical Spanish and is currently practicing becoming fluent in Spanish. She has over 12 years' experience in the health profession, with varying specialties. She enjoys quality time with her husband, three amazing kids, traveling, cooking with music, and staying active. She says, “I want to help others seek optimal health through collaborative treatment planning."

Christina Bosari, M.D.

Christina Bosari, M.D.

Obstetrics and Gynecology

Dr. Christina Bosari is a physician specializing in obstetrics and gynecology. She received her education at the Ponce School of Medicine and has over 23 years of experience. She speaks English and Spanish. She enjoys time with her husband and three kids, running, and skiing. She is most interested in global healthcare, particularly women’s health.

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Patient and Health Care Team Agreement

Location Information

Please see below our location and information for the following clinics

General Locations

The hotlines for our general locations

Fullerton
731 S. Highland Ave.
Fullerton, CA 92832
(714) 446-5100

La Amistad
725 W. La Veta Ave., Ste 260
Orange, CA 92868
(714) 771-8006

St. Mary Health Centers
18077 US Highway 18, Suite 100
Apple Valley, CA 92307
(760) 946-8169

Ponderosa Health Center
330 E Orangewood Ave.
Anaheim, CA 92802
(714) 716-2584

Dental Offices

Our Dental Clinicians are at the following locations

Fullerton
731 S. Highland Ave.
Fullerton, CA 92832
(714) 446-5245

La Amistad
725 W. La Veta Ave., Ste 260
Orange, CA 92868
(714) 771-8005

Ponderosa Health Center
330 E Orangewood Ave.
Anaheim, CA 92802
(714) 716-2584

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