Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Susan Thielen, PA-C

Medical Physician Assistant in Denver, CO · enumerated 2006 · practices at Oasis Family Practice PC.

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

National Provider Identifier

1003903501

Verified

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Registry record

Entity type Individual (Type 1)

Name Susan Thielen

Credential PA-C

Sex Female

Practice address 101 University Blvd, Suite 210, Denver, CO, 80206

Phone (303) 333-3388

Fax (303) 333-5094

Enumeration date Oct 6, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1509 (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

Where does Susan Thielen practice?

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

What is the NPI number for Susan Thielen?

The National Provider Identifier (NPI) for Susan Thielen is 1003903501, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Oasis Family Practice PC Health Maintenance Organization · Denver, CO NPI 1679642920 Mary Wilkerson Family Medicine Physician · Denver, CO NPI 1770652034 Lynne Kendig Family Medicine Physician · Denver, CO NPI 1770652083 Antonette Miskulin Family Nurse Practitioner · Denver, CO NPI 1407925787

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.