Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary Blair Long, O.D.

Optometrist in Dickson City, PA · enumerated 2009.

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

National Provider Identifier

1669604641

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary Blair Long

Credential O.D.

Sex Female

Practice address 900 Commerce Blvd, Vision Center #1884 Next To Walmart, Dickson City, PA, 18519

Phone (570) 383-9358

Fax (570) 383-1205

Enumeration date Aug 10, 2009

Last updated in NPPES Apr 24, 2013

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OEG002240 (PA) Primary

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

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

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.

What specialty is Mary Blair Long?

Mary Blair Long is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-24.