Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Amy S. Terhaar, ARNP

Q: What is the NPI number for Amy Terhaar?

The National Provider Identifier (NPI) for Amy Terhaar is 1164770855, a Type 1 (individual) record in the CMS NPPES registry.

Nurse Practitioner in Stratford, CT · enumerated 2012.

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

National Provider Identifier

1164770855

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Registry record

Entity type Individual (Type 1)

Name Amy S. Terhaar

Credential ARNP

Sex Female

Practice address 99 Hawley Ln, Stratford, CT, 06614

Phone (203) 666-8145

Enumeration date Aug 28, 2012

Last updated in NPPES Apr 4, 2022

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License L114360 (IA) 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

Where does Amy Terhaar practice?

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

What is the NPI number for Amy Terhaar?

The National Provider Identifier (NPI) for Amy Terhaar is 1164770855, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-04.