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

Mary A Vadnais, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1265605174

Mary A Vadnais, MD is an Obstetrics/Gynecology in Boston, Massachusetts. Graduated from University of Vermont College of Medicine in 2004, 22 years ago. Practices with Atrius Health Inc, a 1,205-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
22
Trained at
University of Vermont College of Medicine
Licensed in
MA
In the registry since
2008
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

133 Brookline Ave Hvma Dept Obgyn
Boston, MA 02215
Phone: (617) 421-1191
Fax: (617) 421-5828
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence 234873 (MA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 234873 (MA)

Record details

NPI number1265605174
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2008
Last updated in NPPESJanuary 7, 2021
Certification dateJanuary 7, 2021

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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