Denise Tonzola, MD


Gynecology, Obstetrics

Conditions & Treatments

Adolescent Gynecology, Alternatives to Hysterectomy, Assisted Reproductive Techniques, Cervical Dysplasia, Colposcopy, Family Planning, Fibroids, Gynecological Surgery, Hormone Problems, Hormone Replacement Therapy, Hysterectomies, Labor and Delivery, Laparoscopic Hysterectomy, Laparoscopy, Midwifery, Vaginal Infection, Vulva Biopsy, Vulvar Cancer

(203) 787-2264
Accepting New Patients
Telehealth Visits


Dr. Tonzola was born and raised in New Jersey. She graduated summa cum laude from Rutgers University in 1988 with a degree in Biology. She earned her MD degree from New York University, and was inducted into the AOA medical honor society in 1992. She pursued her residency training in Obstetrics and Gynecology at Yale and was appointed Chief Resident in 1996. Dr. Tonzola joined Greater New Haven OB/Gyn after completing her residency and was named partner in 2001. Dr. Tonzola enjoys educating her patients about their health. She especially values the long lasting relationships she has established with her patients, many of which extend across multiple generations of family members. Outside of her busy patient practice, Dr. Tonzola is the Chief Medical Officer for Phase 5 Analytics. In her free time, she enjoys boating and biking as well as spending time with her family that includes two very active sons.





Years In Practice



Greater New Haven OB/GYN Group

46 Prince Street
# 207
New Haven, CT 06519

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Monday8:00 AM - 4:00 PM
Tuesday8:00 AM - 4:00 PM
Wednesday8:00 AM - 4:00 PM
Thursday8:00 AM - 4:00 PM
Friday8:00 AM - 4:00 PM
(203) 497-9354

Greater New Haven OB/GYN Group

1970 Whitney Ave
Hamden, CT 06517

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(203) 281-0539

Greater New Haven OB/GYN Group

6 Woodland Rd
Madison, CT 06443

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Greater New Haven OB/GYN Group

325 Boston Post Rd
Orange, CT 06477

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Education & Training


NYU School of Medicine


Yale New Haven Hospital, New Haven, CT


Yale New Haven Hospital, New Haven, CT

Accepted Insurance

Insurance coverage regularly changes, please contact the doctor’s office directly to verify that your specific insurance plan is accepted.

  • aetna
  • anthem bc/bs
  • cigna healthcare
  • connecticare
  • healthnet
  • medicaid
  • multiplan
  • oxford health plans
  • united healthcare