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

Robert Millstein, MD

Individual provider Internal Medicine Physician · NPI 1003094590

Robert Millstein, MD is an Internal Medicine Physician in Portsmouth, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2008.

Licensed in
NH
In the registry since
2008
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 Campus Dr Ste 12
Portsmouth, NH 03801-5892
Phone: (603) 422-8208
Fax: (603) 422-8219
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 8012 (NH)

Record details

NPI number1003094590
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2008
Last updated in NPPESFebruary 6, 2008

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