Bonni Massa, MD

Obstetrics & Gynecology

UCSF Physician Group

335 S McDowell Blvd, Petaluma, CA 94954

Accepting new patients

(707) 293-1110

Conditions Treated

  • Common Gynecological Conditions (e.g. Pelvic/Vaginal Pain, Menstrual Issues, Vaginitis)
  • Rectal Cancer Risk
  • Cervical Cancer Risk
  • Human Papillomavirus (HPV) Risk
  • Breast Cancer Risk

Specialized Treatments

  • Human Papillomavirus (HPV) Test
  • Vaginal Ultrasound
  • Routine Gynecological Exam
  • Breast Cancer Screening (e.g. Breast Exam, Mammogram)
  • Rectal Cancer Screening (e.g. Rectal Exam, Stool Blood Test)
  • Cervical Cancer Screening (e.g. Pap Smear)