Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marshall Anderson Guill III, MD

Dermatology Physician in Lebanon, NH · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1932133030

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Marshall Anderson Guill III

Credential MD

Sex Male

Practice address 18 Old Etna Rd, Dh Dept of Dermatology, Lebanon, NH, 03766

Phone (603) 650-3100

Fax (603) 650-3174

Enumeration date Jul 11, 2006

Last updated in NPPES Dec 5, 2012

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License G16239 (GA) Secondary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 14454 (NH) Primary

207NS0135X Procedural Dermatology Physician Allopathic & Osteopathic Physicians · License GA16239 (GA) Secondary

207NS0135X Procedural Dermatology Physician Allopathic & Osteopathic Physicians · License 14454 (NH) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
30209308	Medicaid	NH	-
070008491	Other	GA	RAILROAD MEDICARE
1017229	Medicaid	VT	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Marshall Guill?

The National Provider Identifier (NPI) for Marshall Guill is 1932133030, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marshall Guill practice?

The practice location on file with NPPES is in Lebanon, NH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Gregg Meyer Internal Medicine Physician · Lebanon, NH NPI 1811997927 Lynette Margesson Dermatology Physician · Lebanon, NH NPI 1528057940 Amy Beaupre Family Nurse Practitioner · Lebanon, NH NPI 1376532390 Virginia Alvord Family Medicine Physician · Lebanon, NH NPI 1225012420 Julie Taylor Family Medicine Physician · Lebanon, NH NPI 1265417836 Jeffrey Shornick Dermatology Physician · Lebanon, NH NPI 1023089711 James Johnston Family Medicine Physician · Lebanon, NH NPI 1811963283 Cathleen Morrow Family Medicine Physician · Lebanon, NH NPI 1972579092

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-12-05.