Dr. Dieffenbach accepts Aetna, Blue Cross Blue Shield and Cigna, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.

Dr. Catherine Dieffenbach, MD
Overview of Dr. Catherine Dieffenbach, MD
Dr. Catherine Dieffenbach, MD is an Obstetrics Specialist in Boston, MA. They graduated from BETH ISRAEL DEACONESS MEDICAL CENTER.
Dr. Dieffenbach works at
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Dr. Dieffenbach's Office Locations
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Harvard Vanguard Medical Associates165 Dartmouth St, Boston, MA 02116 Directions (617) 859-5250Monday9:00am - 6:00pmTuesday8:00am - 5:00pmWednesday1:00pm - 5:00pmThursday12:00pm - 6:00pmFriday10:00am - 6:00pm
Experience & Treatment Frequency
View All Accepted Carriers
- Aetna
- Blue Cross and Blue Shield of Louisiana
- Blue Cross and Blue Shield of Massachusetts
- Blue Cross Blue Shield
- Cigna
- First Health
- Harvard Pilgrim Health Care
- MVP Health Care
- Tufts Health Plan
- UnitedHealthCare
* Please verify this information when scheduling an appointment.
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About Dr. Catherine Dieffenbach, MD
- Obstetrics
- English
- 1861810673
Education & Certifications
- BETH ISRAEL DEACONESS MEDICAL CENTER
Frequently Asked Questions
Dr. Dieffenbach has indicated that they do offer telehealth services. Please call the provider’s office at for more information.
Dr. Dieffenbach works at
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Whether a person prefers to schedule an appointment online or over the phone with Dr. Dieffenbach, there are benefits to both methods. A person calling to schedule an with Dr. Dieffenbach appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.