NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Andrew John Friessen, D.O.

Orthopaedic Surgery Physician in Fairfield, IA · enumerated 2008.

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

National Provider Identifier

1083891675

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Andrew John Friessen
Credential D.O.
Sex Male
Practice address 2000 S Main, Fairfield, IA, 52556
Fax (641) 469-4208
Enumeration date Jan 25, 2008
Last updated in NPPES Apr 27, 2026

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License DO-4433 (IA) Primary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 5101016427 (MI) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
1083891675 Medicaid IA -
P01375680 Other IA RR MEDICARE

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 Andrew Friessen practice?
The practice location on file with NPPES is in Fairfield, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Andrew Friessen?
The National Provider Identifier (NPI) for Andrew Friessen is 1083891675, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-27.