MARIO MILLSAP
NPI 1841935590
Occupational Therapist in Saint Louis, MO

Active since April 27, 2022
3144 LACKLAND AVE, SAINT LOUIS, MO 63116(314) 200-5486 Get Directions Write a Review

NPPES record last updated: April 27, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1841935590
Entity TypeIndividualMale
Primary Taxonomy225X00000X
Provider Legal NameMARIO MILLSAP
Location Address3144 LACKLAND AVESaint Louis, MO 63116-2020
Mailing Address3144 Lackland AveSaint Louis, MO 63116-2020
Sole ProprietorYes
Enumeration DateApril 27, 2022
NPPES CertifiedApril 27, 2022
✔ NPI 1841935590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
3144 LACKLAND AVE, Saint Louis, MO 63116

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.

Occupational Therapist
3330 EHLMANN RD
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.