Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Hallowell Center P. C.

Q: What type of organization is Hallowell Center P. C.?

Hallowell Center P. C. is registered in NPPES as a Psychiatry Physician (its primary provider taxonomy).

Psychiatry Physician in Sudbury, MA · enumerated 2007 · authorized official Paul Sorgi, Ceo.

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

National Provider Identifier

1972704088

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Registry record

Entity type Organization (Type 2)

Legal business name Hallowell Center P. C.

Practice address 142 North Rd, Suite F-105, Sudbury, MA, 01776

Phone (978) 287-0810

Fax (978) 287-5566

Enumeration date May 29, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Paul Sorgi

Title Ceo

Phone (978) 287-0810

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Hallowell Center P. C.?

Hallowell Center P. C. is registered in NPPES as a Psychiatry Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.