Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary G Diana, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1962445684

Mary G Diana, MD is an Obstetrics/Gynecology in Westport, Connecticut. Graduated from Columbia University College of Physicians and Surgeons in 1992, 34 years ago. Practices with Montefiore Medical Center, a 2,796-clinician group. Licensed in Connecticut and New York.

Years since qualifying
34
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CT, NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12 Avery Place Avery Center For Obstetrics & Gynecology
Westport, CT 06880
Phone: (203) 227-5125
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 56749 (CT)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 200058 (NY)

Record details

NPI number1962445684
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESDecember 8, 2020
Certification dateDecember 7, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1992 (34 years in practice)
Group practice Montefiore Medical Center — 2796 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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