Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan L Barrington, PA

Physician Assistant in Providence, RI · enumerated 2005.

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

National Provider Identifier

1144227992

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Registry record

Entity type Individual (Type 1)

Name Nathan L Barrington

Credential PA

Sex Male

Practice address 825 Chalkstone Ave, Providence, RI, 02908

Phone (401) 456-2000

Enumeration date Jul 7, 2005

Last updated in NPPES Jul 8, 2015

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA00089 (RI) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA00089 (RI) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
7008744	Medicaid	RI	-

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 specialty is Nathan Barrington?

Nathan Barrington is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-08.