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

Individual provider Obstetrics & Gynecology Physician · NPI 1154339984

Margaret M Sullivan, MD is an Obstetrics/Gynecology in Boston, Massachusetts. Graduated from Tufts University School of Medicine in 1993, 33 years ago. Practices with Pratt OB/GYN Associates, Inc, a 60-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
33
Trained at
Tufts University School of Medicine
Licensed in
MA
In the registry since
2006
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

800 Washington St Tufts Medical Ctr Dept OF Ob/gyn
Boston, MA 02124-4444
Phone: (617) 636-6060
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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 155036 (MA)

Record details

NPI number1154339984
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESMarch 14, 2012

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Pratt Ob/Gyn Associates, Inc — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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