Quick answers
- Does Marren Onyalo accept Medicare assignment?
- Yes. Medicare's clinician data says Marren Onyalo 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 Marren Onyalo's NPI number?
- 1578911368. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marren Onyalo works
Medicare's Facility Affiliation Data lists Marren Onyalo 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.
- Memorial Medical CenterLas Cruces, NM · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 320018
Practice locations
Addresses where Marren Onyalo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1680 Calle De Alvarez, Suite BLas Cruces, NM 88005 (575) 524‑3346
- 208 Porr DrRuidoso, NM 88345 (575) 630‑1214
Group practices
Medicare enrollment lists Marren Onyalo as a member of this group (CMS data updated October 2, 2026).
- Health Care Solutions PA13 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Las Cruces
Clinicians with the same Medicare primary specialty in Las Cruces, NM — not a recommendation.
Other clinicians in Health Care Solutions PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578911368 |
| 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