OrganizationActive
Gregg a Lessly MD PA
NPI 1154364479 · Anesthesiology Physician · Dallas, TX
Gregg a Lessly MD PA is a Anesthesiology Physician organization in Dallas, TX (NPI 1154364479).
Provider details
- NPI number
- 1154364479
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregg Lessly, Authorized Representative Owner(972) 488-8926
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
6757 Arapaho
Ste 711 Pmb 335
Dallas, TX 75248-4005
Phone: (517) 787-6440
Fax: (517) 787-4146
Approximate (ZIP-level) locationGet directions
Mailing address
6757 Arapaho
Dallas, TX 75248-4005
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2008-05-14
Frequently asked questions
- What is Gregg a Lessly MD PA's NPI number?
- Gregg a Lessly MD PA's National Provider Identifier (NPI) is 1154364479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregg a Lessly MD PA?
- Gregg a Lessly MD PA is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg a Lessly MD PA located?
- Gregg a Lessly MD PA's practice location on file with NPPES is 6757 Arapaho, Dallas, TX 75248-4005.
- What is Gregg a Lessly MD PA's phone number?
- The practice phone number listed in the NPPES registry for Gregg a Lessly MD PA is (517) 787-6440.
- Who is the authorized official for Gregg a Lessly MD PA?
- The authorized official listed on Gregg a Lessly MD PA's NPPES record is Gregg Lessly, Authorized Representative Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregg a Lessly MD PA's NPI active?
- Yes — Gregg a Lessly MD PA's NPI (1154364479) is active in the NPPES registry as of the last update on 2008-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.