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

Miss Danielle Anika Domingue Sumi, MA, MFT

Marriage & Family Therapist in Watertown, MA · enumerated 2015 · practices at Artrelief LLC.

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

National Provider Identifier

1871961714

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Registry record

Entity type Individual (Type 1)

Name Miss Danielle Anika Domingue Sumi

Credential MA, MFT

Sex Female

Practice address Watertown, MA, 02472

Phone (617) 924-1285

Enumeration date Sep 9, 2015

Last updated in NPPES Jun 4, 2019

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

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License IMF94380 (CA) 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 Danielle Domingue Sumi?

The National Provider Identifier (NPI) for Danielle Domingue Sumi is 1871961714, a Type 1 (individual) record in the CMS NPPES registry.

Where does Danielle Domingue Sumi practice?

The practice location on file with NPPES is in Watertown, 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 2019-06-04.