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

David L Legro, MD

Individual provider Hospitalist Physician · NPI 1861579302

David L Legro, MD is an Internal Medicine in Portsmouth, New Hampshire. Graduated from Columbia University College of Physicians and Surgeons in 1999, 27 years ago. Practices with Mercy Hospital, a 308-clinician group and accepts Medicare assignment. Licensed in Maine and New Hampshire.

Years since qualifying
27
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
ME, NH
In the registry since
2006
Specialties on file
3
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

333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone: (603) 433-5106
Fax: (603) 433-5180
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 11922 (NH)
Hospitalist Physician Taxonomy 208M00000X · Licence 11922 (NH)
Hospitalist Physician Taxonomy 208M00000X · Licence 016064 (ME)

Record details

NPI number1861579302
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESAugust 3, 2007
Mailing address333 Borthwick Ave, Portsmouth, NH 03801-7128

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1999 (27 years in practice)
Group practice Mercy Hospital — 308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Portsmouth