Marshall Guill, MD

Dermatology

20+ years in practiceNPI: 1932133030Licensed in GALicensed in NH

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Credentials & Recognition

Specialties

Dermatology

NPI sub-specialties

Dermatology207N00000X

Dermatology207N00000X

Dermatology, Procedural Dermatology207NS0135X

Dermatology, Procedural Dermatology207NS0135X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#47

Top Dermatologists in New Hampshire, 2026

Dermatology · New Hampshire · 2026

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Frequently Asked Questions about Dr. Marshall Guill, MD

Where does Dr. Marshall Guill, MD practice?+
Dr. Marshall Guill, MD practices in New Hampshire, NH. 18 OLD ETNA RD DH DEPT OF DERMATOLOGY LEBANON, NH 03766.
What is Dr. Marshall Guill, MD's phone number?+
Dr. Marshall Guill, MD's practice phone is 603-650-3100. Office contact information is verified on the PBCMMG profile.
What does Dr. Marshall Guill, MD specialize in?+
Dr. Marshall Guill, MD's primary specialty is Dermatology.
Is Dr. Marshall Guill, MD board certified?+
Board certification status for Dr. Marshall Guill, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Marshall Guill, MD been practicing?+
Dr. Marshall Guill, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Marshall Guill, MD's NPI number?+
Dr. Marshall Guill, MD's National Provider Identifier (NPI) is 1932133030, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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