MICHELLE ELISE MARCHESSAULT M.D.
NPI 1598909657
Hospitalist in Killeen, TX
About Michelle Elise Marchessault M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE ELISE MARCHESSAULT M.D. (NPI 1598909657) is an individual hospitalist provider in Killeen, Texas, licensed in North Carolina (2016-00884) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Michelle Elise Marchessault M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Michelle Marchessault reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lakeway, TX 78734
- Reassigned Medicare billing, Texas enrollment
- 3,167 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76548 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARKER HEIGHTS, TX 76548
HARKER HEIGHTS, TX 76548
HARKER HEIGHTS, TX 76548
HARKER HEIGHTS, TX 76548
HARKER HEIGHTS, TX 76548
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michelle Marchessault's NPI number?
The NPI number for Michelle Marchessault is 1598909657. It was assigned to this individual provider in the NPPES registry on April 20, 2009.
Where is Michelle Marchessault located?
Michelle Marchessault practices at 850 W Central Texas Expy, Killeen, TX 76548. The listed phone number is (254) 690-0900.
What is Michelle Marchessault's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Michelle Marchessault enrolled in Medicare?
Yes. Michelle Marchessault is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Michelle Marchessault's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Marchessault reassigns Medicare benefits to Healthtexas Provider Network (Lakeway, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michelle Marchessault's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Marchessault accept?
Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Michelle Marchessault as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michelle Marchessault affiliated with any hospitals?
According to CMS data, Michelle Marchessault is affiliated with Baylor University Medical Center.
When was this NPI record last updated?
The NPPES record for Michelle Marchessault was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.