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

Dr. William P Carter III, MD

Individual provider Emergency Medicine Physician · NPI 1083795116

Dr. William P Carter III, MD is an Emergency Medicine in Portsmouth, New Hampshire. Qualified in 2005, 21 years ago. Accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
21
Licensed in
NH
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

333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone: (603) 436-5110
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 13946 (NH)

Record details

NPI number1083795116
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESFebruary 21, 2023
Certification dateFebruary 21, 2023

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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