Gregg A. Lessly, MD
Anesthesiology Physician · McKinney, TX
Gregg A. Lessly, MD is an anesthesiology physician with a practice address in McKinney, Texas, and NPI 1003842907, issued on Jun 23, 2006. Check the license (Texas L8412, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregg A. Lessly
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- L8412 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4510 Medical Center Dr Ste 211, McKinney, TX 75069
- Phone
- (469) 541-1600
- Enumerated
- Jun 23, 2006
- Record last updated
- Sep 28, 2023
- Fax
- (469) 541-1612
- Medicaid IDs
- 169347501 TX
169347503 TX
169347502 TX - Medicare enrollment
- Enrolled (PECOS I20041030000161); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1990
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 4,635 in Texas → Look up another NPI →
Also registered at 4510 Medical Center Dr Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sherrin Alexander, CRNACertified Registered Nurse Anesthetist1558816686
- Rajvinder Baidwan, MDAnesthesiology Physician1740449941
- Priscilla Bardwell, CRNACertified Registered Nurse Anesthetist1376520635
- Blake Bauman, DNP, CRNACertified Registered Nurse Anesthetist1871001727
- Leslie Bell, CRNACertified Registered Nurse Anesthetist1578598819
- Martin BeversAnesthesiology Physician1154902898
Verify Gregg A. Lessly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Allen Anesthesia AssociatesAllen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregg A. Lessly among 4,635 anesthesiology physician records in Texas
Gregg A. Lessly, MD is one of 4,635 anesthesiology physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1990 · median 2005 among the 3,293 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Texas
There are 4,635 anesthesiology physician records in Texas.
All 4,635 in Texas → Every provider in McKinney → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Rajvinder Baidwan, MDMcKinney, TX 750691740449941
- Priscilla Clark, M.D.McKinney, TX 750691073871901
- Neal Dandona, M.D.McKinney, TX 750691487874152
- David Faulkner, MDMcKinney, TX 750691407173958
- Eric Havemann, MDMcKinney, TX 750691811188097
- Vamseen Jetti, M.D.McKinney, TX 750691275713059
- Jimmy Le, M.D.McKinney, TX 750691174840961
- Nathaniel Loo, M.D.McKinney, TX 750691861791329
Common questions
What is Gregg A. Lessly, MD's NPI number?
Gregg A. Lessly, MD's National Provider Identifier (NPI) is 1003842907, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregg A. Lessly, MD located?
The NPPES record lists a practice address at 4510 Medical Center Dr Ste 211, McKinney, TX, 75069. Phone: (469) 541-1600. Providers update this record themselves, so call before visiting.
How can I verify Gregg A. Lessly, MD's license?
NPPES lists Texas license number L8412, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.