Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Barry S Paul, M.D.

Q: What is the NPI number for Barry S Paul, M.D.?

The NPI for Barry S Paul, M.D. is 1821127168, a Type 2 (organization) record in the CMS NPPES registry.

Dermatology Physician in Arlington, MA · enumerated 2007 · authorized official Barry Paul, Owner.

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

National Provider Identifier

1821127168

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Registry record

Entity type Organization (Type 2)

Legal business name Barry S Paul, M.D.

Practice address 22 Mill St, Suite 310, Arlington, MA, 02476

Phone (781) 643-0500

Fax (781) 648-8509

Enumeration date Mar 4, 2007

Last updated in NPPES Dec 16, 2021

Taxonomy & classification

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 46307 (MA) Primary

Authorized official

Name Barry Paul

Title Owner

Phone (781) 643-0500

Other identifiers

Identifier	Type	State	Issuer
9770194	Medicaid	MA	-

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 Barry S Paul, M.D.?

The NPI for Barry S Paul, M.D. is 1821127168, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Barry S Paul, M.D.?

NPPES lists Barry Paul (Owner) 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 2021-12-16.