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

Dr. John Harrison Martin, DO

Individual provider Family Medicine Physician · NPI 1114052008

Dr. John Harrison Martin, DO is a Family Medicine Physician in Nelson, New Hampshire. Practices as a sole proprietor. Licensed in New Hampshire.

Licensed in
NH
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

111 Holt Farm Rd
Nelson, NH 03457-5405
Phone: (817) 938-0896
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 17227 (NH)

Record details

NPI number1114052008
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedFebruary 22, 2007
Last updated in NPPESMay 11, 2017