Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Kristen Dorak Viehman, PA-C

Surgical Physician Assistant in Greenwood Village, CO · enumerated 2010.

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

National Provider Identifier

1396077384

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Registry record

Entity type Individual (Type 1)

Name Mrs. Kristen Dorak Viehman

Credential PA-C

Sex Female

Practice address 5351 S Roslyn St Ste 200, Greenwood Village, CO, 80111

Phone (303) 469-3182

Fax (303) 469-4693

Enumeration date Feb 2, 2010

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License C0004135 (MD) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 3406 (CO) Primary

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 is the NPI number for Kristen Viehman?

The National Provider Identifier (NPI) for Kristen Viehman is 1396077384, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kristen Viehman practice?

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

Other providers at this practice address

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Steven Matthews Surgical Physician Assistant · Greenwood Village, CO NPI 1902835614 Physical Medicine Integrated Network, LLC Specialist · Greenwood Village, CO NPI 1134671092 Sydney Dittman Family Medicine Physician · Greenwood Village, CO NPI 1619400918 Hoang Dang Family Medicine Physician · Greenwood Village, CO NPI 1861920746 Justin Quinette Sports Medicine (Family Medicine) Physician · Greenwood Village, CO NPI 1043873904 Sarah Mcmahon Obstetrics & Gynecology Physician · Greenwood Village, CO NPI 1134756026 Erika Mrzlak Clinical Social Worker · Greenwood Village, CO NPI 1578187837 Portercare Adventist Health System Family Medicine Physician · Greenwood Village, CO NPI 1770194045

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.