Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Margaret Ann Firestine, MSW

Mental Illness Community Based Residential Treatment Facility in Commerce City, CO · enumerated 2007.

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

National Provider Identifier

1740473297

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Registry record

Entity type Individual (Type 1)

Name Margaret Ann Firestine

Credential MSW

Sex Female

Practice address Commerce City, CO, 80022

Phone (720) 334-9104

Enumeration date Aug 18, 2007

Last updated in NPPES Aug 18, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

320800000X Mental Illness Community Based Residential Treatment Facility Residential Treatment Facilities 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 Margaret Firestine practice?

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

What is the NPI number for Margaret Firestine?

The National Provider Identifier (NPI) for Margaret Firestine is 1740473297, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Kellie Mcgowan Mental Health Counselor · Commerce City, CO NPI 1306998463 Janet Burris Mental Health Counselor · Commerce City, CO NPI 1114058724 Drew Snyder Mental Health Counselor · Commerce City, CO NPI 1356517270 Kathleen Hopkins Psychologist · Commerce City, CO NPI 1881852234 Ana Swoboda Mental Health Counselor · Commerce City, CO NPI 1881929578 Matthew O'Neal Mental Health Counselor · Commerce City, CO NPI 1396088159

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-18.