Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Lee Hessler, APN

Obstetrics & Gynecology Nurse Practitioner in Evans, CO · enumerated 2011.

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

National Provider Identifier

1104125327

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Registry record

Entity type Individual (Type 1)

Name Karen Lee Hessler

Credential APN

Sex Female

Practice address 2930 11th Ave, Evans, CO, 80620

Phone (970) 353-9403

Fax (970) 353-9906

Enumeration date Mar 28, 2011

Last updated in NPPES Oct 25, 2013

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 110682 (CO) Secondary

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 3582 (CO) Primary

Other identifiers

Identifier	Type	State	Issuer
73053589	Medicaid	CO	-

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 Karen Hessler practice?

The practice location on file with NPPES is in Evans, CO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Karen Hessler?

The National Provider Identifier (NPI) for Karen Hessler is 1104125327, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Leonard Lowe Family Medicine Physician · Evans, CO NPI 1164424354 Gregory Finnoff Family Medicine Physician · Evans, CO NPI 1689671026 Sunrise Community Health Federally Qualified Health Center (FQHC) · Evans, CO NPI 1295732048 Thomas Dickey Physician Assistant · Evans, CO NPI 1740287598 Sandra Hoyman Physician Assistant · Evans, CO NPI 1356349013 Kristie James Pediatric Nurse Practitioner · Evans, CO NPI 1891793378 Vanessa Wilkins Registered Nurse · Evans, CO NPI 1962499681 John Volk Family Medicine Physician · Evans, CO NPI 1760442800

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-25.