Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Don D Blackburn, OD

Vision Therapy Optometrist in Wilmington, DE · enumerated 2006.

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

National Provider Identifier

1639271216

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Registry record

Entity type Individual (Type 1)

Name Dr. Don D Blackburn

Credential OD

Sex Male

Practice address 3105 Limestone Rd, Ste 102, Wilmington, DE, 19808

Phone (302) 998-1395

Fax (302) 998-6784

Enumeration date Sep 2, 2006

Last updated in NPPES Mar 17, 2014

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OEG000275 (PA) Secondary

152WV0400X Vision Therapy Optometrist Eye and Vision Services Providers · License OEG000275 (PA) Primary

156FX1800X Optician Eye and Vision Services Providers · License OEG000275 (PA) Secondary

152WV0400X Vision Therapy Optometrist Eye and Vision Services Providers · License I3-0001218 (DE) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License I3-0001218 (DE) Secondary

152WS0006X Sports Vision Optometrist Eye and Vision Services Providers · License I3-0001218 (DE) Secondary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
341988702	Other	-	DEVON
3684782	Other	-	AETNA
221393	Other	-	EYEMED
5178130	Other	-	AETNA
DE03105	Other	-	VBA
341988702	Other	DE	BCBS
13029981395	Other	-	VSP
258125	Other	DE	COVENTRY

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 Don Blackburn?

The National Provider Identifier (NPI) for Don Blackburn is 1639271216, a Type 1 (individual) record in the CMS NPPES registry.

Where does Don Blackburn practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-17.