Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lydia St Hilaire
Counselor in Norwich, CT · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558921155
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Registry record
Entity type Individual (Type 1)
Name Lydia St Hilaire
Sex Female
Practice address 55 Main St Unit 410, Norwich, CT, 06360
Phone (860) 885-6054
Fax (860) 253-5036
Enumeration date Jun 17, 2019
Last updated in NPPES Jun 17, 2019
Taxonomy & licenses
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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Lydia St Hilaire?
Lydia St Hilaire is registered in NPPES with the primary taxonomy of Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Wanda Santiago Counselor · Norwich, CT NPI 1942765029 Samantha Graham Counselor · Norwich, CT NPI 1558902957 Carol Donahue Social Worker · Norwich, CT NPI 1811667694 Sarah Meyer Mental Health Counselor · Norwich, CT NPI 1245974997 Brooklyn Redo Mental Health Counselor · Norwich, CT NPI 1134850951 Alana Barinas Registered Nurse · Norwich, CT NPI 1215638366 Jessica Ristorucci Mental Health Counselor · Norwich, CT NPI 1821784810 Jennifer Rogers Registered Nurse · Norwich, CT NPI 1003505991
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-17.