Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Gregg A Lessly, MD

Individual provider Anesthesiology Physician · NPI 1003842907

Gregg A Lessly, MD is an Anesthesiology in McKinney, Texas. Graduated from State University of Ny Upstate Medical University in 1990, 36 years ago. Practices with Allen Anesthesia Associates, a 92-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
36
Trained at
State University of Ny Upstate Medical University
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4510 Medical Center Dr Ste 211
McKinney, TX 75069-1602
Phone: (469) 541-1600
Fax: (469) 541-1612
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence L8412 (TX)

Record details

NPI number1003842907
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 23, 2006
Last updated in NPPESSeptember 28, 2023
Certification dateSeptember 28, 2023
Mailing address906 West McDermott Drive, 116-371, Allen, TX 75013-6510

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1990 (36 years in practice)
Group practice Allen Anesthesia Associates — 92 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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