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

Dr. Mark A Ballentyne, MD

Individual provider Family Medicine Physician · NPI 1669404661

Dr. Mark A Ballentyne, MD is a Family Medicine Physician in Portsmouth, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

Licensed in
NH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 Griffin Road Atlantic Plastic Surgery Ste B
Portsmouth, NH 03801
Phone: (603) 431-8819
Fax: (603) 427-2540
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 8856 (NH)

Record details

NPI number1669404661
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJuly 8, 2007

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