Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joan Petrilli Ferrari, OTR/L, CHT

Q: What is the NPI number for Joan Ferrari?

The National Provider Identifier (NPI) for Joan Ferrari is 1841700549, a Type 1 (individual) record in the CMS NPPES registry.

Hand Occupational Therapist in Fremont, CA · enumerated 2017.

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

National Provider Identifier

1841700549

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Registry record

Entity type Individual (Type 1)

Name Joan Petrilli Ferrari

Credential OTR/L, CHT

Sex Female

Practice address 39180 Farwell Dr Ste 211, Fremont, CA, 94538

Phone (510) 857-1000

Fax (510) 857-1001

Enumeration date Oct 7, 2017

Last updated in NPPES Oct 7, 2017

Taxonomy & licenses

225XH1200X Hand Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 7406 (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

Where does Joan Ferrari practice?

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

What is the NPI number for Joan Ferrari?

The National Provider Identifier (NPI) for Joan Ferrari is 1841700549, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-10-07.