Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jessica Anne Stefanowicz, D.O.

Family Medicine Physician in Castle Rock, CO · enumerated 2014.

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

National Provider Identifier

1821408972

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Registry record

Entity type Individual (Type 1)

Name Jessica Anne Stefanowicz

Credential D.O.

Sex Female

Practice address 4404 Barranca Ln, Castle Rock, CO, 80104

Phone (720) 733-5290

Enumeration date Apr 29, 2014

Last updated in NPPES May 26, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License DR.0067609 (CO) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

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 Jessica Stefanowicz?

The National Provider Identifier (NPI) for Jessica Stefanowicz is 1821408972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jessica Stefanowicz practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-26.