Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David Tobin Harrington, MD

Surgery Physician in Providence, RI · enumerated 2005.

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

National Provider Identifier

1558368092

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Registry record

Entity type Individual (Type 1)

Name David Tobin Harrington

Credential MD

Sex Male

Practice address 2 Dudley St, Suite 470, Providence, RI, 02905

Phone (401) 553-8314

Fax (401) 868-2305

Enumeration date Jun 30, 2005

Last updated in NPPES Jan 29, 2020

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MD09639 (RI) Primary

2086S0102X Surgical Critical Care Physician Allopathic & Osteopathic Physicians · License MD09639 (RI) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
9020521	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 David Harrington?

David Harrington is registered in NPPES with the primary taxonomy of Surgery Physician. 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 2020-01-29.