Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Red Mountain Internal Medicine

Internal Medicine Physician in Sterling, CO · enumerated 2010 · authorized official Timothy Bresnahan, Authorized Official.

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

National Provider Identifier

1457678773

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Registry record

Entity type Organization (Type 2)

Legal business name Red Mountain Internal Medicine

Practice address 615 Fairhurst St, Sterling, CO, 80751

Phone (970) 522-0122

Enumeration date Apr 26, 2010

Last updated in NPPES Mar 6, 2021

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43658 (CO) Primary

Authorized official

Name Timothy Bresnahan

Title Authorized Official

Phone (720) 261-5141

Other identifiers

Identifier	Type	State	Issuer
43658	Other	CO	CO LIC

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2021-03-06. Verify at npiregistry.cms.hhs.gov.

Where is Red Mountain Internal Medicine located?

The practice location on file with NPPES is in Sterling, CO.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-06.