Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Stefan S. O'Connor M.D. P.A.

Q: What is the NPI number for Stefan S. O'Connor M.D. P.A.?

The NPI for Stefan S. O'Connor M.D. P.A. is 1013245786, a Type 2 (organization) record in the CMS NPPES registry.

Ophthalmology Physician in Wilmington, DE · enumerated 2009 · authorized official Stefan O'Connor, President.

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

National Provider Identifier

1013245786

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Registry record

Entity type Organization (Type 2)

Legal business name Stefan S. O'Connor M.D. P.A.

Practice address 2055 Limestone Rd, Suite 103, Wilmington, DE, 19808

Phone (302) 992-0238

Fax (302) 992-9750

Enumeration date Nov 18, 2009

Last updated in NPPES Dec 5, 2012

Taxonomy & classification

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License C10003896 (DE) Primary

Authorized official

Name Stefan O'Connor

Title President

Phone (302) 992-0238

Other identifiers

Identifier	Type	State	Issuer
0000415101	Medicaid	DE	-

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.

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Frequently asked questions

What is the NPI number for Stefan S. O'Connor M.D. P.A.?

The NPI for Stefan S. O'Connor M.D. P.A. is 1013245786, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Stefan S. O'Connor M.D. P.A.?

NPPES lists Stefan O'Connor (President) 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 2012-12-05.