Obstetrician & Gynecologist (OB/GYN), Oncology Specialist (cancer)
20 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (15)

The overall average patient rating of Dr. Diana Contreras is Good. Dr. Contreras has been reviewed by 26 patients who have provided 15 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.6
Promptness 3.2
Courteous Staff 3.7
Accurate Diagnosis 4.0
Bedside Manner 3.8
Spends Time with Me 3.8
Follows Up After Visit 3.2

Specialties & Research

Dr. Diana Contreras, MD is board certified in Obstetrics & Gynecology and Gynecologic Oncology.

  • She has special expertise in 3 areas:
  • Cancer
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Contreras graduated from Columbia University, New York.


Dr. Contreras has 12 hospital affiliations:

  • North Shore University Hospital At Syosset 
  • North Shore University Hospital 


  • Spanish

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Additional Information
Dr. Diana Nancy Contreras MD is a female Obstetrician & Gynecologist, has 20 years of experience and practices in Obstetrics & Gynecology and Gynecologic Oncology.
Where does Dr. Diana N. Contreras practice?
Dr. Diana Contreras has 5 office locations.
Dr. Diana Contreras practices Obstetrics & Gynecology and Gynecologic Oncology near Manhasset, NY.
Additional practice locations include: New Hyde Park, NY and Huntington, NY.
See Manhasset Obstetricians & Gynecologists.