NPI Portal NPI Lookup & Verification

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

Jennifer E Merrill, COTA

Occupational Therapy Assistant in Amesbury, MA · enumerated 2023.

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

National Provider Identifier

1700663432

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jennifer E Merrill
Credential COTA
Sex Female
Practice address Amesbury, MA, 01913
Enumeration date Sep 14, 2023
Last updated in NPPES Sep 14, 2023

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

Taxonomy & licenses

224Z00000X Occupational Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 3797 (MA) 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 Jennifer Merrill?
The National Provider Identifier (NPI) for Jennifer Merrill is 1700663432, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Merrill practice?
The practice location on file with NPPES is in Amesbury, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-14.