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

Sharon A Hart Silveira, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1821252149

Sharon A Hart Silveira, MD is an Obstetrics/Gynecology in Nashua, New Hampshire. Graduated from Geisel School of Medicine at Dartmouth in 2008, 18 years ago. Practices with Mary Hitchcock Memorial Hospital, a 1,266-clinician group and accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
18
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
MA, NH
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

2300 Southwood Dr
Nashua, NH 03063-1818
Phone: (603) 577-4000
Fax: (603) 640-1228
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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 15702 (NH)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence L-237045 (MA)

Record details

NPI number1821252149
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 16, 2008
Last updated in NPPESJanuary 12, 2026
Certification dateJanuary 12, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 2008 (18 years in practice)
Group practice Mary Hitchcock Memorial Hospital — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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