Margaret Flynn, MD
About This Business
Margaret Flynn, MD, specializes in internal medicine, endocrinology, diabetes, and metabolism in Nashua, New Hampshire, with 36 years of experience since graduating from the Geisel School of Medicine at Dartmouth in 1990, above the 29-year average among the 107 Nashua physicians in our directory. She holds an active New Hampshire license and registered with the national provider registry since 2005. She is affiliated with St Joseph Hospital, Southern NH Medical Center, Elliot Hospital, Mary Hitchcock Memorial Hospital, and Wentworth-Douglass Hospital. In MIPS, the federal program scoring Medicare clinicians on quality and cost, she holds 91 out of 100, the highest MIPS score among the 15 rated physicians in our Nashua listings. She accepts Medicare and offers telehealth, one of ten Nashua doctors in our directory with both. Patients rate her 5.0 across 10 reviews.
Verified Provider Info
- Specialty (per registry)
- Internal Medicine, Endocrinology, Diabetes & Metabolism
- NPI Number
- 1821094491
- Medical school graduate
- 1990 (36+ years of practice)
- Medical school
- GEISEL SCHOOL OF MEDICINE AT DARTMOUTH
- State license
- 9887 (NH)
- Hospital affiliations
- St Joseph Hospital · Southern Nh Medical Center · Elliot Hospital
- Quality score (CMS MIPS)
- 90.9/100
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
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Information last updated: August 23, 2026
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