Centers for Family Health
Oxnard - Vineyard
Meet the Doctors
CLICK ON DOCTOR FOR BIO
(L-R) Dr. Richard Knudsen, Pediatric Neurology; Dr. Hoang-Anh Pham, Pediatrics; Dr. Michael Green, Obstetrics and Gynecology; Dr. Abraham Orozco, Family Practice; Dr. Brigitte Lovell, Headache and Orofacial Pain; Dr. Joel Siegel, Dermatology; Dr. Cristina Armijo, Pediatrics; Dr. Tammy Cheng, Rheumatology; Dr. Seyed Khoddami, Urology; Dr. Elisabeth Barbosa, ENT and Head and Neck Surgery; Dr. Debra Ouyang, Endocrinology; and Dr. Zachary Hatch, Psychiatry.
- Family Practice
- Delivery at Community
Memorial Hospital by a Board Certified OB/GYN
- Comprehensive Perinatal Services Program for Pregnant Women
- Free Pregnancy Testing
- Pediatric & Women's Health
- Internal Medicine
- Laboratory - Visit
- Bilingual Doctors and Staff
Dr. Hoang-Anh Pham
Dr. Hoang-Anh Pham received her medical degree from Rene Descartes University in France and completed residency training at the White Memorial Hospital, affiliated with Loma Linda University.
Dr. Michael Green
Obstetrics and Gynecology
Dr. Michael Green received his medical degree from Saint Louis University School of Medicine in Missouri, and completed a family practice residency at Ventura County Medical Center and an obstetrics and gynecology residency at Carolinas Medical Center. Dr. Green is a diplomate of the American Academy of Family Physicians.
Dr. Abraham Orozco
Dr. Abraham Orozco received his medical degree from USC School of Medicine and completed residency training at Kaiser Permanente Medical Center in Fontana, CA. Dr. Orozco is certified by the American Board of Family Medicine.
Dr. Richard P. Knudsen
Dr. Richard P. Knudsen specializes in pediatric neurology. He received his medical degree from University of Cincinnati College of Medicine, completed a pediatric residency at University of California Irvine Medical Center, and fellowships in neurology/ child neurology at University of Cincinnati Medical Center and pediatric epilepsy/clinical neurophysiology at University of Pittsburgh Medical Center. Dr. Knudsen is a member of the American Academy of Neurology, American Clinical Neurophysiology Society, American Epilepsy Society, and the World Association of Sleep Medicine. He is also a Fellow Elect within the American Academy of Sleep Medicine and an active member of the California Sleep Society. Within his multiple specialties, Dr. Knudsen holds a special interest in pediatric sleep disorders.
Dr. Brigitte Lovell
Headache and Orofacial Pain
Dr. Brigitte Lovell received her medical degree from Arizona School of Dentistry and Oral Health and completed residency training at UCLA. Dr. Lovell is a member of the American Headache Society, American Academy of Orofacial Pain and the American Academy of Craniofacial Pain.
Dr. Joel Siegel
Dr. Joel Siegel received his medical degree from State University of New York and completed a dermatology residency at University Health Center of Pittsburgh. Dr. Siegel is a diplomate of the American Board of Dermatology and a fellow of the American Society of Dermatologic Surgery.
Dr. Cristina Armijo
Dr. Cristina Armijo received her medical degree from Boston University School of Medicine and completed residency training at Lost Angeles County & USC Medical Center. Dr. Armijo is a member of the American Academy of Pediatrics and the American Medical Association.
Dr. Tammy Cheng
Dr. Tammy Cheng received her medical degree from Washington University in St. Louis, Missouri and completed residency training Barnes-Jewish Hospital.
Dr. Seyed Khoddami
Dr. Seyed Khoddami received his medical degree from University of Tehran School of Medicine in Iran and completed residency training at the University of Nebraska Medical Center in Omaha.
Dr. Elisabeth Barbosa
ENT and Head and Neck Surgery
Dr. Elisabeth Barbosa received her medical degree from the Drexel College of Medicine in Philadelphia and completed residency training at the Walter Reed Army Medical Center. She is board-certified and is a member of the American Academy of Otolaryngology-Head and Neck Surgery.
Dr. Debra Ouyang
Dr. Debra Ouyang received her medical degree from Eastern Virginia Medical School in Norfolk, Virginia and completed an internal medicine residency at Cedars-Sinai Medical Center/West LA, as well as an endocrine fellowship at Harbor-UCLA Medical Center. Dr. Ouyang is a member of the Endocrine Society, American Thyroid Association, American Association of Clinical Endocrinologists, American College of Physicians and the American Medical Association.
Dr. Zachary Hatch
Dr. Zachary Hatch received his medical degree from Universidad Central del Caribe in Puerto Rico, and completed residency training at UMass Memorial Medical Center. Dr. Hatch is a member of the American Medical Association and American Psychiatric Association.
Mon - Fri: 8 a.m. - 5 p.m.
Closed Major Holidays – Thanksgiving, Christmas and New Year’s Day
We Accept Medicare, Medi-Cal,
Healthy Families, most insurance
plans and private pay.