Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark A Lackey, DMD

Dentist in Memphis, TN · enumerated 2006.

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

National Provider Identifier

1235240722

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark A Lackey

Credential DMD

Sex Male

Practice address 875 Union Ave, Memphis, TN, 38163

Phone (901) 448-1883

Enumeration date Aug 31, 2006

Last updated in NPPES Jan 13, 2021

Taxonomy & licenses

122300000X Dentist Dental Providers · License 7334 (TN) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Mark Lackey?

Mark Lackey is registered in NPPES with the primary taxonomy of Dentist. 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 2021-01-13.