Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Abigail C Hosselbarth, PNP

Pediatric Nurse Practitioner in Boston, MA · enumerated 2018.

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

National Provider Identifier

1477049468

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Registry record

Entity type Individual (Type 1)

Name Abigail C Hosselbarth

Credential PNP

Sex Female

Practice address 300 Longwood Ave, Boston, MA, 02115

Phone (617) 355-6000

Enumeration date Jul 3, 2018

Last updated in NPPES Nov 3, 2023

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2341461 (MA) 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

What is the NPI number for Abigail Hosselbarth?

The National Provider Identifier (NPI) for Abigail Hosselbarth is 1477049468, a Type 1 (individual) record in the CMS NPPES registry.

Where does Abigail Hosselbarth practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-03.