Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Principled Service Internal Medicine

Internal Medicine Physician in Sterling, CO · enumerated 2010 · authorized official Marvin Lee, Physician / Owner.

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

National Provider Identifier

1538474739

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Registry record

Entity type Organization (Type 2)

Legal business name Principled Service Internal Medicine

Practice address 615 Fairhurst St, Sterling, CO, 80751

Phone (970) 522-0122

Enumeration date Aug 11, 2010

Last updated in NPPES Apr 28, 2015

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43946 (CO) Primary

Authorized official

Name Marvin Lee

Title Physician / Owner

Phone (719) 329-8616

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 type of organization is Principled Service Internal Medicine?

Principled Service Internal Medicine is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-04-28.