Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Clarissa Ping Chan

Pharmacist in Florence, MA · enumerated 2019.

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

National Provider Identifier

1720542426

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Registry record

Entity type Individual (Type 1)

Name Clarissa Ping Chan

Sex Female

Practice address 773 Florence Rd, Florence, MA, 01062

Phone (413) 210-1503

Enumeration date Jan 27, 2019

Last updated in NPPES Jan 27, 2019

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License PH237208 (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 Clarissa Chan?

The National Provider Identifier (NPI) for Clarissa Chan is 1720542426, a Type 1 (individual) record in the CMS NPPES registry.

Where does Clarissa Chan practice?

The practice location on file with NPPES is in Florence, 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 2019-01-27.