Gregory D Seidel MD

Dermatopathology, Anatomic Pathology, Clinical Pathology

Assistant Professor, Pathology, Geisel School of Medicine

155 Borthwick AveSuite 201 WestPortsmouth, NH 03801
Phone+1 978-691-5690
Fax+1 603-650-7211

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Summary

Dr. Gregory Seidel, MD is a board certified pathologist in Portsmouth, New Hampshire. He is currently licensed to practice medicine in New Hampshire, Maine, and Vermont. He is an Assistant Professor at Geisel School of Medicine.

Education & Training

SUNY Downstate Health Sciences UniversityFellowship, Dermatopathology, 2004 - 2005
Johns Hopkins UniversityResidency, Pathology-Anatomic and Clinical, 2000 - 2003
The University of Toledo College of MedicineClass of 2000

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

OH State Medical License Current
MA State Medical License 2003 - 2022
NH State Medical License 2010 - 2022
ME State Medical License 2019 - 2021
VT State Medical License 2010 - 2018
NY State Medical License 2005 - 2012
CT State Medical License 2007 - 2011
American Board of Pathology Anatomic Pathology
American Board of Pathology Dermatopathology

Publications & Presentations

PubMed

2 citations
Melanocytic aggregates with unique morphology associated with regression of basal cell carcinoma
Christopher R. Jackson, Aravindhan Sriharan, Shabnam Momtahen, Gregory D. Seidel, Cameron C Felty
Journal of Cutaneous Pathology. 2020-03-01
A Painful Firm Plaque on the Midback of a 53-Year-Old Woman: Answer.
Amin A. Hedayat, Lindsey K. Collins, Daniel B Wimmer, Marshall A Guill, Gregory D Seidel
The American Journal of Dermatopathology. 2018-08-01
Painful Skin Nodule on the Finger of a 59-Year-Old: Answer.
Nicholas J. Olson, Gregory D Seidel, Konstantinos Linos
The American Journal of Dermatopathology. 2018-04-01

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