MARIO MILLSAP
NPI 1841935590
Occupational Therapist in Saint Louis, MO
About Mario Millsap NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIO MILLSAP (NPI 1841935590) is an individual occupational therapist in Saint Louis, Missouri and active in the NPI registry since April 2022.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mario Millsap is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mario Millsap reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Charles, MO 63301
- Reassigned Medicare billing, Missouri enrollment
- 30 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.
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 Mario Millsap's NPI number?
The NPI number for Mario Millsap is 1841935590. It was assigned to this individual provider in the NPPES registry on April 27, 2022.
Where is Mario Millsap located?
Mario Millsap practices at 3144 Lackland Ave, Saint Louis, MO 63116. The listed phone number is (314) 200-5486.
What is Mario Millsap's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Mario Millsap enrolled in Medicare?
Yes. Mario Millsap is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mario Millsap's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Millsap reassigns Medicare benefits to Fox Rehabilitation Services Ot Mo LLC (Saint Charles, MO). 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 Mario Millsap's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mario Millsap was last updated on April 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.