Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomston Trowbridge

Emergency Medicine Physician in Calais, ME · enumerated 2006.

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

National Provider Identifier

1821190471

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Registry record

Entity type Individual (Type 1)

Name Thomston Trowbridge

Sex Male

Practice address 24 Hospital Ln, Calais, ME, 04619

Phone (207) 892-7161

Enumeration date Sep 3, 2006

Last updated in NPPES Apr 1, 2024

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD24083 (ME) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 9701627 (NC) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD059815L (PA) Secondary

Other identifiers

Identifier	Type	State	Issuer
PENDING	Medicaid	NC	-

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 Thomston Trowbridge practice?

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

What is the NPI number for Thomston Trowbridge?

The National Provider Identifier (NPI) for Thomston Trowbridge is 1821190471, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-01.