NPI Portal NPI Lookup & Verification

Brian John Eisermann

Brian John Eisermann is a Hearing Instrument Specialist provider (Hearing Instrument Specialist) practicing in Paradise, CA, registered in the NPPES registry with NPI 1891910501 since 2007. Practices at Brian J Eisermann (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1891910501
Entity type Individual (Type 1)
Name Brian John Eisermann
Sex Male
Practice address Paradise, CA, 95969
Phone 5308773808
Fax 5308775764
Enumeration date 2007-04-16
Last updated in NPPES 2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
237700000X Hearing Instrument Specialist Primary HA2971 CA

Other identifiers

Identifier Type State Issuer
HA2971 Other CA STATE LICENSE
Copy-ready billing details
Provider: Brian Eisermann
NPI: 1891910501
Taxonomy: 237700000X (Hearing Instrument Specialist)
Address: Paradise, CA, 95969

Other providers at this practice address

NPI Name Type Specialty Location
1891847927 Brian J Eisermann Organization Hearing Aid Equipment Paradise, CA

Verify this record

Cross-check NPI 1891910501 against the authoritative CMS record: view Brian John Eisermann on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Brian Eisermann practice?
The practice location on file with NPPES is in Paradise, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Brian Eisermann?
The National Provider Identifier (NPI) for Brian Eisermann is 1891910501, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.