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

Dr. Gregory D Seidel, MD

Individual provider Anatomic Pathology Physician · NPI 1437138757

Dr. Gregory D Seidel, MD is an Anatomic Pathology Physician in Portsmouth, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

Licensed in
NH
In the registry since
2006
Specialties on file
2
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

155 Borthwick Ave Ste 201 West
Portsmouth, NH 03801-7156
Phone: (978) 691-5690
Show map & directions

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

Specialties & licences

Dermatopathology (Pathology) Physician (primary) Taxonomy 207ZD0900X · Licence 14900 (NH)
Anatomic Pathology Physician Taxonomy 207ZP0101X · Licence 14900 (NH)

Record details

NPI number1437138757
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 13, 2006
Last updated in NPPESDecember 3, 2018

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