Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Phoebe Costello, MSW

Social Worker in West Haven, CT · enumerated 2022.

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

National Provider Identifier

1831811942

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Phoebe Costello

Credential MSW

Sex Female

Practice address 410 Campbell Ave, West Haven, CT, 06516

Phone (203) 444-4692

Enumeration date Sep 15, 2022

Last updated in NPPES Sep 15, 2022

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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 Phoebe Costello?

The National Provider Identifier (NPI) for Phoebe Costello is 1831811942, a Type 1 (individual) record in the CMS NPPES registry.

Where does Phoebe Costello practice?

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

Other providers at this practice address

Browse all →

Christina Moorer Family Nurse Practitioner · West Haven, CT NPI 1285975722 Firas Yousif Psychiatry Physician · West Haven, CT NPI 1376997007 Lily Mudre Professional Counselor · West Haven, CT NPI 1932885258 William Hoffman Physician Assistant · West Haven, CT NPI 1114757317 Madeline Turcotte Clinical Social Worker · West Haven, CT NPI 1679397079 Gabrielle Grant Mental Health Counselor · West Haven, CT NPI 1821985490

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-15.