Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Charles River Medical Associates PC

Q: What is the NPI number for Charles River Medical Associates PC?

The NPI for Charles River Medical Associates PC is 1598215204, a Type 2 (organization) record in the CMS NPPES registry.

Internal Medicine Physician in Framingham, MA · enumerated 2016 · authorized official Brian Parillo, Executive Director.

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

National Provider Identifier

1598215204

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Registry record

Entity type Organization (Type 2)

Legal business name Charles River Medical Associates PC

Practice address 600 Worcester Rd, Suite 303, Framingham, MA, 01702

Phone (508) 881-3029

Fax (508) 881-1752

Enumeration date Oct 5, 2016

Last updated in NPPES Aug 21, 2025

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Brian Parillo

Title Executive Director

Phone (508) 848-2474

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 Charles River Medical Associates PC?

The NPI for Charles River Medical Associates PC is 1598215204, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Charles River Medical Associates PC?

NPPES lists Brian Parillo (Executive Director) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-21.