NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Erwin B Seywerd, MD

Otolaryngology Physician in Augusta, ME · enumerated 2006 · authorized official Erwin Seywerd, President Ceo.

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

National Provider Identifier

1528089315

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Erwin B Seywerd, MD
Other name <Unavail>
Practice address 79 Arsenal St, Augusta, ME, 04330
Enumeration date Jul 21, 2006
Last updated in NPPES Dec 27, 2007

Taxonomy & classification

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 012487 (ME) Primary

Authorized official

Name Erwin Seywerd
Title President Ceo

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

Who is the authorized official for Erwin B Seywerd, MD?
NPPES lists Erwin Seywerd (President Ceo) as the authorized official for this organization.
What is the NPI number for Erwin B Seywerd, MD?
The NPI for Erwin B Seywerd, MD is 1528089315, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-27.