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

Abigail Seely Butler, CNM, WHNP-BC

Advanced Practice Midwife in Boston, MA · enumerated 2011.

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

National Provider Identifier

1154605459

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Registry record

Entity type Individual (Type 1)

Name Abigail Seely Butler

Credential CNM, WHNP-BC

Sex Female

Practice address Boston, MA, 02135

Phone (617) 562-7050

Enumeration date Oct 5, 2011

Last updated in NPPES Mar 14, 2025

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

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2268308 (MA) Secondary

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License CNM152003 (ME) Secondary

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License RN2268308 (MA) Primary

CNM · Certified Nurse Midwife: An advanced practice nurse specializing in pregnancy, childbirth, and reproductive care. About the CNM credential

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 Abigail Butler practice?

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

What is the NPI number for Abigail Butler?

The National Provider Identifier (NPI) for Abigail Butler is 1154605459, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-14.