Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyssa Mahoney, OTD, OTR/L

Pediatric Occupational Therapist in Billings, MT · enumerated 2021.

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

National Provider Identifier

1366115123

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Registry record

Entity type Individual (Type 1)

Name Alyssa Mahoney

Credential OTD, OTR/L

Sex Female

Practice address 1780 Shiloh Rd Ste B, Billings, MT, 59106

Phone (406) 596-3105

Fax (406) 656-1713

Enumeration date Jul 28, 2021

Last updated in NPPES Sep 22, 2022

Taxonomy & licenses

225XP0200X Pediatric Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 8508 (MT) 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.

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Frequently asked questions

Where does Alyssa Mahoney practice?

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

What is the NPI number for Alyssa Mahoney?

The National Provider Identifier (NPI) for Alyssa Mahoney is 1366115123, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Quinn Destefano Pediatric Occupational Therapist · Billings, MT NPI 1265004071 Destefano Consulting LLC Occupational Therapist · Billings, MT NPI 1952038572 Mahoney Consulting LLC Occupational Therapist · Billings, MT NPI 1487382701

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-22.