Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Middlesex Recovery Professional Corporation

Addiction Medicine (Family Medicine) Physician in Malden, MA · enumerated 2012 · authorized official Brian O'Connor, President.

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

National Provider Identifier

1962774638

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Registry record

Entity type Organization (Type 2)

Legal business name Middlesex Recovery Professional Corporation

Practice address 405 Pearl St, Suite 4, Malden, MA, 02148

Phone (781) 605-0944

Fax (781) 605-3710

Enumeration date Jan 27, 2012

Last updated in NPPES Jan 27, 2012

Taxonomy & classification

207QA0401X Addiction Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License 72453 (MA) Primary

Authorized official

Name Brian O'Connor

Title President

Phone (781) 605-0944

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 is Middlesex Recovery Professional Corporation located?

The practice location on file with NPPES is in Malden, MA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2012-01-27. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-27.