Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Madelyn Hamilton, NP

Family Nurse Practitioner in Barre, VT · enumerated 2006 · practices at Optical Expressions Berlin, LLC.

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

National Provider Identifier

1780638387

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Registry record

Entity type Individual (Type 1)

Name Madelyn Hamilton

Credential NP

Sex Female

Practice address 14 N Main St Ste 4002, Granite City Primary Care, Barre, VT, 05641

Phone (802) 479-2546

Fax (802) 479-1346

Enumeration date May 19, 2006

Last updated in NPPES Mar 19, 2015

Taxonomy & licenses

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1010017211 (VT) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 101-0017211 (VT) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
ONP1399	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

Where does Madelyn Hamilton practice?

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

What is the NPI number for Madelyn Hamilton?

The National Provider Identifier (NPI) for Madelyn Hamilton is 1780638387, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Cynthia Smith Internal Medicine Physician · Barre, VT NPI 1114076965 Optical Expressions Berlin, LLC Optometrist · Barre, VT NPI 1740442417

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-19.