Quick answers
- Does Alicia M. Collier accept Medicare assignment?
- Yes. Medicare's clinician data says Alicia M. Collier 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 Alicia M. Collier's NPI number?
- 1851866610. 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 Alicia M. Collier is enrolled with Medicare (CMS data updated October 2, 2026).
- 2420 State StEast Saint Louis, IL 62205 (618) 318‑8809
- 3451 Union BlvdSaint Louis, MO 63115 (314) 888‑0970
- 3843 Gravois Ave, Oak Street Health Tower GroveSaint Louis, MO 63116 (314) 888‑0981
Group practices
Medicare enrollment lists Alicia M. Collier as a member of these groups (CMS data updated October 2, 2026).
- Oak Street Health Physicians Group of Missouri LLC26 clinicians in the group
- Osh-Il Physicians Group LLC5 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Oak Street Health Physicians Group of Missouri LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1851866610 |
| 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