Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Holly Mills

Q: What is the NPI number for Holly Mills?

The National Provider Identifier (NPI) for Holly Mills is 1881054534, a Type 1 (individual) record in the CMS NPPES registry.

Behavior Technician in Silver Spring, MD · enumerated 2016 · practices at Acorn Health of Maryland LLC.

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

National Provider Identifier

1881054534

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Registry record

Entity type Individual (Type 1)

Name Holly Mills

Sex Female

Practice address 12164 Tech Rd, Silver Spring, MD, 20904

Phone (844) 244-1818

Enumeration date Feb 23, 2016

Last updated in NPPES Aug 2, 2022

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

106S00000X Behavior Technician Behavioral Health & Social Service Providers 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 Holly Mills?

The National Provider Identifier (NPI) for Holly Mills is 1881054534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Holly Mills practice?

The practice location on file with NPPES is in Silver Spring, MD. 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 2022-08-02.