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

Dr. Gregory Matthew Lessans, MD

Individual provider Anesthesiology Physician · NPI 1699154971

Dr. Gregory Matthew Lessans, MD is an Anesthesiology in Houston, Texas. Graduated from University of Maryland School of Medicine in 2015, 11 years ago. Practices with Anesthesia Company LLC, a 377-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
11
Trained at
University of Maryland School of Medicine
Licensed in
TX
In the registry since
2015
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

6621 Fannin St
Houston, TX 77030-2358
Phone: (203) 785-2802
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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 S5004 (TX)

Record details

NPI number1699154971
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 20, 2015
Last updated in NPPESMarch 13, 2020
Certification dateMarch 13, 2020

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Anesthesia Company Llc — 377 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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