Our Services

Gynecology

We offer exceptional care for every stage of a woman’s life. Our board-certified gynecologists are experts in helping you improve your health, whether that means prevention and wellness in your 20s, successfully navigating menopause in your 50s, or thriving in your 80s.

Our expertise includes the medical issues that most often affect women’s quality of life, including menstrual, urinary, fibroid and hormonal problems – and we’re pleased to offer today’s most successful solutions, such as minimally-invasive and robotic surgery.

Meet Our Doctors

Dennis J. Buchanan, MD (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office :
1950 Sunnycrest Dr.
Suite 2700E
Fullerton, CA 92835
Jacquelyn D. Cortez, DO (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office :
1950 Sunnycrest Dr.
Suite 2700D
Fullerton, CA 92835
Theresa Franks, MD (714) 992-5350
Gynecology (Board Certified)
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Office 1:
4300 Rose Dr.
Suite F
Yorba Linda, CA 92886

Office 2:
1514 S. Valley Vista Dr.
Diamond Bar, CA 91765
Brian C. Gray, MD (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office :
1950 Sunnycrest Dr.
Suite 2700B
Fullerton, CA 92835
Donald W. Henderson, MD (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office 1:
1950 Sunnycrest Dr.
Suite 2700E
Fullerton, CA 92835

Office 2:
191 S. Buena Vista
Suite 375A
Yorba Linda, CA 92886
Thomas C. Hughes, MD (714) 992-5350
Gynecology
Obstetrics/Gynecology (Board Certified)
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Office 1:
1950 Sunnycrest Dr.
Suite 2700A
Fullerton, CA 92835

Office 2:
575 Rivergate Lane
Suite 105
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Robyn Lawton, MD (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office :
1950 Sunnycrest Dr.
Suite 2700
Fullerton, CA 92835
Vivian Lin, MD (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office :
1950 Sunnycrest Dr.
Suite 2700B
Fullerton, CA 92835
Melanie Santos, MD (714) 992-5350
Urogynecology (Board Certified)
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Office :
1950 Sunnycrest Dr.
Suite 2700D
Fullerton, CA 92835
Johanna Su, MD (714) 992-5350
Obstetrics/Gynecology (Board Certified)
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Office 1:
1950 Sunnycrest Dr.
Suite 2700B
Fullerton, CA 92835

Office 2:
665 Camino de los Mares
Suite 203
Yorba Linda, CA 92886