DR. THOMAS A. MALLISEE III M.D.
NPI 1639167042
Radiology - Body Imaging in Des Moines, IA
About Dr. Thomas A. Mallisee Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS A. MALLISEE III M.D. (NPI 1639167042) is an individual body imaging provider in Des Moines, Iowa, licensed in Iowa (32854) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mercyone Newton Medical Center, and is a graduate of University Of Nebraska College Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Thomas A. Mallisee Iii 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 Reassignments
2Medicare enrollment records show Thomas Mallisee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Des Moines, IA 50314
- Reassigned Medicare billing, Iowa enrollment
- 133 clinicians in this Medicare group
Des Moines, IA 50314
- Reassigned Medicare billing, Iowa enrollment
- 24 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 73
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone Newton Medical Center
Acute Care Hospitals · Newton, IAMercyone Des Moines Medical Center
Acute Care Hospitals · Des Moines, IADavis County Hospital
Critical Access Hospitals · Bloomfield, IAKnoxville Hospital & Clinics
Critical Access Hospitals · Knoxville, IAMercyone Centerville Medical Center
Critical Access Hospitals · Centerville, IAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DES MOINES, IA 50314
DES MOINES, IA 50314
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 Thomas Mallisee's NPI number?
The NPI number for Thomas Mallisee is 1639167042. It was assigned to this individual provider in the NPPES registry on October 10, 2005.
Where is Thomas Mallisee located?
Thomas Mallisee practices at 1111 6th Ave, Des Moines, IA 50314. The listed phone number is (515) 643-2667.
What is Thomas Mallisee's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Thomas Mallisee enrolled in Medicare?
Yes. Thomas Mallisee 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 organizations bill Medicare for Thomas Mallisee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Mallisee reassigns Medicare benefits to 2 organizations: Catholic Health Initiatives Iowa Corp (Des Moines, IA) and Diagnostic Imaging Associates, P.C. (Des Moines, IA). Each 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 Thomas Mallisee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Mallisee accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Thomas Mallisee 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 Thomas Mallisee affiliated with any hospitals?
According to CMS data, Thomas Mallisee is affiliated with Mercyone Newton Medical Center, Mercyone Des Moines Medical Center, Davis County Hospital, Knoxville Hospital & Clinics and Mercyone Centerville Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Mallisee was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.