Quick answers
- Does Marcia L. Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Marcia L. Lewis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Marcia L. Lewis's NPI number?
- 1104994706. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marcia L. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).
- 1129 Macklind AveSaint Louis, MO 63110
Group practices
Medicare enrollment lists Marcia L. Lewis as a member of this group (CMS data updated October 2, 2026).
- St. Louis Behavioral Medicine Institute Inc67 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in St. Louis Behavioral Medicine Institute Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104994706 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians