Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carolyn Baier O'Conor, M.D.

Family Medicine Physician in Millsboro, DE · enumerated 2006.

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

National Provider Identifier

1437185972

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Registry record

Entity type Individual (Type 1)

Name Carolyn Baier O'Conor

Credential M.D.

Sex Female

Practice address 32060 Long Neck Rd Ste 501, Millsboro, DE, 19966

Phone (302) 947-1202

Enumeration date Jun 25, 2006

Last updated in NPPES May 1, 2024

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License D34386 (MD) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License D34386 (MD) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License C1-0026289 (DE) Primary

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
166002100	Medicaid	MD	-

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 Carolyn O'Conor?

The National Provider Identifier (NPI) for Carolyn O'Conor is 1437185972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carolyn O'Conor practice?

The practice location on file with NPPES is in Millsboro, DE. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-01.