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Stephen Otto Berthelsen, MD

Orthopaedic Surgery Physician in Fairmont, MN · enumerated 2006.

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

National Provider Identifier

1225046246

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Registry record

Entity type Individual (Type 1)
Name Stephen Otto Berthelsen
Credential MD
Sex Male
Practice address 800 Medical Center Dr, Fairmont, MN, 56031
Phone (507) 238-8100
Enumeration date Aug 4, 2006
Last updated in NPPES Nov 16, 2023

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License G19287 (CA) Secondary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 50213 (MN) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

What is the NPI number for Stephen Berthelsen?
The National Provider Identifier (NPI) for Stephen Berthelsen is 1225046246, a Type 1 (individual) record in the CMS NPPES registry.
Where does Stephen Berthelsen practice?
The practice location on file with NPPES is in Fairmont, MN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-16.