Michelle Elise Marchessault, M.D.
Hospitalist Physician · Killeen, TX
Michelle Elise Marchessault, M.D. is a hospitalist physician with a practice address in Killeen, Texas, and NPI 1598909657, issued on Apr 20, 2009. Check the license (Texas P0762, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michelle Elise Marchessault
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- P0762 TX
2016-00884 NC
Self-reported in NPPES; status is on the state search - Practice location
- 850 W Central Texas Expy, Killeen, TX 76548
- Phone
- (254) 690-0900
- Enumerated
- Apr 20, 2009
- Record last updated
- Mar 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20130731000625); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,587 in Texas → Look up another NPI →
Also registered at 850 W Central Texas Expy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanna McGintyNurse Practitioner1952760381
Verify Michelle Elise Marchessault in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P0762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average hospitalist physician in 2024
99 Medicare Part D claims for 47 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $53.16
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthtexas Provider NetworkDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Elise Marchessault among 1,587 hospitalist physician records in Texas
Michelle Elise Marchessault, M.D. is one of 1,587 hospitalist physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 24% of them.
- NPI issued2009 · 24% of these records are older, 72% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2009 · median 2013 among the 1,298 with a school on file
- Record last updated2023 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Texas
There are 1,587 hospitalist physician records in Texas.
All 1,587 in Texas → Every provider in Killeen → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Arpana Jaiswal, M.D.Killeen, TX 765491013374800
- Hayat Alhaj, M.DFort Cavazos, TX 765441326167099
- Chris DireFort Cavazos, TX 765441154866135
- Faith Nimer, D.O.Fort Cavazos, TX 765441215290945
- Grace Owinje, MDFort Hood, TX 765441376837898
- Candace-Rose PaceFort Cavazos, TX 765441417215559
- Jordan Traub, M.D.Fort Cavazos, TX 765441144631268
- Nancy Clay, MDGatesville, TX 765281962542118
Common questions
What is Michelle Elise Marchessault, M.D.'s NPI number?
Michelle Elise Marchessault, M.D.'s National Provider Identifier (NPI) is 1598909657, issued on Apr 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Elise Marchessault, M.D. located?
The NPPES record lists a practice address at 850 W Central Texas Expy, Killeen, TX, 76548. Phone: (254) 690-0900. Providers update this record themselves, so call before visiting.
How can I verify Michelle Elise Marchessault, M.D.'s license?
NPPES lists Texas license number P0762, 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.
How much does Michelle Elise Marchessault, M.D. prescribe under Medicare Part D?
In 2024, Michelle Elise Marchessault, M.D. had 99 Medicare Part D claims for 47 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.