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Gregg Lessly MD PA

Anesthesiology Physician in Allen, TX · enumerated 2012 · authorized official Gregg Lessly, Physician.

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

National Provider Identifier

1578827390

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Registry record

Entity type Organization (Type 2)
Legal business name Gregg Lessly MD PA
Practice address 1105 Central Expy N, Suite 380, Allen, TX, 75013
Phone (972) 747-5840
Fax (972) 747-5841
Enumeration date Jun 26, 2012
Last updated in NPPES Feb 6, 2013

Taxonomy & classification

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Gregg Lessly
Title Physician
Phone (972) 747-5840

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 Gregg Lessly MD PA?
The NPI for Gregg Lessly MD PA is 1578827390, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Gregg Lessly MD PA?
NPPES lists Gregg Lessly (Physician) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-02-06.