5
7 Ratings with 6 written Reviews
Summary
Dr. Bonni Massa specializes in obstetrics and gynecology, providing comprehensive women's healthcare services. She completed her residency training in obstetrics and gynecology at LAC+USC Medical Center, where she developed expertise in both routine and specialized care for women. Dr. Massa speaks English and is dedicated to supporting women throughout all stages of their reproductive health journey.
Dr. Massa practices at MarinHealth OB/GYN, a UCSF Health Clinic, in Petaluma, California, and maintains affiliations with California Pacific Medical Center Davies Campus. She treats conditions such as abnormal uterine bleeding and ovarian cysts, helping women manage these common gynecologic concerns. Her practice includes breast cancer screening procedures like mammograms and scintimammography to support early detection and prevention. Patients consistently rate Dr. Massa highly, giving her an average rating of 5.0 on Vitals.
Dr. Massa practices at MarinHealth OB/GYN, a UCSF Health Clinic, in Petaluma, California, and maintains affiliations with California Pacific Medical Center Davies Campus. She treats conditions such as abnormal uterine bleeding and ovarian cysts, helping women manage these common gynecologic concerns. Her practice includes breast cancer screening procedures like mammograms and scintimammography to support early detection and prevention. Patients consistently rate Dr. Massa highly, giving her an average rating of 5.0 on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- speaks English
- Lac+Usc Medical Center
- 6 written reviews
- 1 specialty
- 11 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Female
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
MarinHealth OB/GYN | A UCSF Health Clinic
335 S MCDOWELL BLVDPETALUMA, CA 94954 Tel: (415) 461-7800
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Bonni Massa, MD | Stella Huang, DO | Shanna Snow, DO | Marlene Freeman, MD |
| Obstetrics & Gynecology | Obstetrics & Gynecology | Obstetrics & Gynecology | Obstetrics & Gynecology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 17 Years of Experience | 20 Years of Experience | 33 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks Spanish, English | Speaks Chinese, Spanish, English |
| PETALUMA , CA | Fairfield , CA | Fairfield , CA | Fairfield , CA |
| Med School: Touro University California College Of Osteopathic Medicine | Med School: Touro University California College Of Osteopathic Medicine | Med School: St Louis University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Bonni Massa
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Bonni Massa has the following specialty
Specialty Expertise
Bonni Massa has the following 11 areas of expertise
Certifications, License, & Education
Bonni Massa holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at Lac+Usc Medical Center and L A Co-Usc Med Ctr, Obstetrics And Gynecology.
NPI Number
Bonni Massa's NPI number is 1508933607.
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Frequently Asked Questions
- How can I make an appointment with Bonni Massa?
- You can find contact information for Bonni Massa here on Vitals.
- Is Bonni Massa accepting new patients?
- Bonni Massa is accepting new patients on Vitals. View Bonni Massa's profile on Vitals to make an appointment.
- What languages does Bonni Massa speak?
- Bonni Massa speaks English.
- Where is Bonni Massa's office located?
- Bonni Massa's office is located at 335 S MCDOWELL BLVD, PETALUMA, CA, 94954.
- Does Bonni Massa accept my insurance?
- You can see the insurance plans that Bonni Massa accepts on their Vitals profile.
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