Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Mueller

Registered Nurse in Littleton, CO · enumerated 2007.

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

National Provider Identifier

1023145612

Verified

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Registry record

Entity type Individual (Type 1)

Name Allison Mueller

Sex Female

Practice address 5555 E Arapahoe Rd, Littleton, CO, 80122

Phone (303) 743-5855

Enumeration date Feb 28, 2007

Last updated in NPPES Mar 4, 2008

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 66954 (CO) Primary

Other identifiers

Identifier	Type	State	Issuer
013730	Other	-	KAISER-COMMERCIAL NUMBER

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 Allison Mueller?

The National Provider Identifier (NPI) for Allison Mueller is 1023145612, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Mueller practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-04.