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

Michelle Elise Marchessault, MD

Individual provider Internal Medicine Physician · NPI 1598909657

Michelle Elise Marchessault, MD is an Internal Medicine in Killeen, Texas. Graduated from Texas a & M University System, Hsc, College of Medicine in 2009, 17 years ago. Practices with Healthtexas Provider Network, a 2,539-clinician group and accepts Medicare assignment. Licensed in North Carolina and Texas.

Years since qualifying
17
Trained at
Texas a & M University System, Hsc, College of Medicine
Licensed in
NC, TX
In the registry since
2009
Specialties on file
2
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

850 W Central Texas Expy
Killeen, TX 76548-1890
Phone: (254) 690-0900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2016-00884 (NC)
Internal Medicine Physician Taxonomy 207R00000X · Licence P0762 (TX)

Record details

NPI number1598909657
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2009
Last updated in NPPESMarch 7, 2023
Certification dateMarch 7, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTEXAS A & M UNIVERSITY SYSTEM, HSC, COLLEGE OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Healthtexas Provider Network — 2539 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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