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

Abby M Larson

Q: What is the NPI number for Abby Larson?

The National Provider Identifier (NPI) for Abby Larson is 1356061444, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in Columbus, OH · enumerated 2022 · practices at Gracehaven Inc.

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

National Provider Identifier

1356061444

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Registry record

Entity type Individual (Type 1)

Name Abby M Larson

Sex Female

Practice address Columbus, OH, 43220

Phone (614) 665-0665

Enumeration date Aug 30, 2022

Last updated in NPPES Oct 17, 2023

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

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License S.2309844 (OH) 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 Abby Larson?

The National Provider Identifier (NPI) for Abby Larson is 1356061444, a Type 1 (individual) record in the CMS NPPES registry.

Where does Abby Larson practice?

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

Other providers at this practice address

Browse all →

Gracehaven Inc Substance Abuse Rehabilitation Facility · Columbus, OH NPI 1538733076 Iris Delawrence Case Manager/Care Coordinator · Columbus, OH NPI 1205566718 Tracy Litzer Case Manager/Care Coordinator · Columbus, OH NPI 1013648989 Adree Ley Case Manager/Care Coordinator · Columbus, OH NPI 1346971926 Rebecca Beech Case Manager/Care Coordinator · Columbus, OH NPI 1225758352 Rosario Sanchez Case Manager/Care Coordinator · Columbus, OH NPI 1790405785 Mary Viers Case Manager/Care Coordinator · Columbus, OH NPI 1902529407 Hannah Dear Case Manager/Care Coordinator · Columbus, OH NPI 1609599109

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-17.