Fellow of the American College of Obstetrics and Gynecology
Diplomate of the American Board of Obstetrics and Gynecology
Board Certified

Licensure

Federation Licensing Examination, December 1982
California State Medical License, expires November 30, 2026

Education

• Doctor of Medicine, University of Dominica School of Medicine – Rosseau, Dominica, B.W.I 1979-1980
• Doctor of Medicine, Universidad Central Del Este School of Medicine – San Pedro de Macoris, Dominican Republic, 1976-1980
• Masters of Science Candidate, Biology, University of California at Los Angeles – Los Angeles, California, 1975-1976
• Bachelor of Science, Life Science, University of Portland – Portland, Oregon, 1970-1974

Postgraduate Training

• Executive Chief Resident, Obstetrics and Gynecology – St Agnes Hospital, Baltimore, Maryland 1984-1985
• Senior Resident, Obstetrics and Gynecology – St Agnes Hospital, Baltimore, Maryland 1983-1984
• Assistant Resident, Obstetrics and Gynecology – St Agnes Hospital, Baltimore, Maryland 1982-1983
• Post Doctorate Fellow, Obstetrics and Gynecology, Johns Hopkins University 1982-1983
• Associate Resident, Obstetrics and Gynecology – St Agnes Hospital, Baltimore , Maryland 1981-1982

Awards and Honors

• Blue Key National Honor Society, University of Portland, 1972-1974
• Sigma Delta Pi National Honor Society, University of Portland, 1972-1974
• President, Iota Kappa Pi Fraternity, University of Portland, 1973-1974

Professional Activities

• Representative, Department of Obstetrics and Gynecology, House Staff Organization, St. Agnes Hospital, 1983-1985
• Junior Fellow, American College of Obstetricians and Gynecologists, 1983-1990
• Fellow, American College of Obstetricians and Gynecologists, 1990
• Diplomat, American College of Obstetricians and Gynecologists, 1988-1998, Recertified, 1998-2008

Professional Society Memberships

• American College of Obstetricians and Gynecologists
• American Medical Association
• Medical and Chirurgical Faculty of the State of Maryland
• California Medical Association
• Los Angeles County Medical Association
• American Society for Reproductive Medicine
• Pacific Coast Reproductive Society
• AIUM
• AAGL

Hospital Affiliations

• Foothill Presbyterian Hospital – 250 S Grand Ave, Glendora, CA 91740
• Glendora Surgery Center – 541 S. Pasadena Ave, Glendora CA
• Intercommunity Medical Center – 210 W. San Bernardino Road, Covina, CA 91733
• Queen of the Valley Hospital – 1115 S. Sunset Ave, West Covina, CA 91790
• San Dimas Community Hospital – 1350 W. Covina Blvd, San Dimas, CA 91773

Tina L. Moon, MS, PAC – Physicians Assistant

While attending Pepperdine University for my Bachelor of Science in Sports Medicine, I was introduced to the Physician Assistant (PA) profession. Intrigued and inspired, I decided to continue my education in this field. I earned my Masters Degree in PA studies at the Chicago Medical School. Since graduating, I have specialized in Women’s Health. I have worked with Dr. Richard Williams since April 2000. I love my profession and take pride in providing gentle, compassionate, quality healthcare services to my patients.

Support Staff

                     Megan Tolle                             Jackie Santisteban  

                             MA                                                                                         Surgery Scheduling

                    Ellen Dempsey                             Rosa Gomez

                                                   Front Admin                                                                           Prior Authorization Medication