Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brian D Ermer, PAC

Physician Assistant in Aberdeen, SD · enumerated 2005.

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

National Provider Identifier

1417931908

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Registry record

Entity type Individual (Type 1)

Name Brian D Ermer

Credential PAC

Sex Male

Practice address 701 8th Ave Nw, Suite A, Aberdeen, SD, 57401

Phone (605) 226-2663

Fax (605) 226-0095

Enumeration date Nov 30, 2005

Last updated in NPPES Sep 29, 2016

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0597 (SD) Primary

Other identifiers

Identifier	Type	State	Issuer
6828080	Medicaid	SD	-

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 specialty is Brian Ermer?

Brian Ermer is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-29.