Quick answers
- Does Olexis Haymon accept Medicare assignment?
- Medicare's clinician data says Olexis Haymon may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Olexis Haymon's NPI number?
- 1720809940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Olexis Haymon works
Medicare's Facility Affiliation Data lists Olexis Haymon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Holmes County Hospital and ClinicsLexington, MS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 251319
Practice locations
Addresses where Olexis Haymon is enrolled with Medicare (CMS data updated October 2, 2026).
- 17280 Hwy 17Lexington, MS 39095
- PO Box, Suite 479Lexington, MS 39095
Group practices
Medicare enrollment lists Olexis Haymon as a member of this group (CMS data updated October 2, 2026).
- Mallory Community Health11 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lexington
Clinicians with the same Medicare primary specialty in Lexington, MS — not a recommendation.
Other clinicians in Mallory Community Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1720809940 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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