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

Individual provider Obstetrics & Gynecology Physician · NPI 1407839830

Nancy Callan, MD is an Obstetrics & Gynecology Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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

850 Harrison Ave 4th Fl
Boston, MA 02118-4072
Phone: (617) 414-4893
Fax: (617) 414-7212
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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 158767 (MA)

Record details

NPI number1407839830
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESJuly 8, 2007

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