Quick answers
- Does Ambrosia J. Simmons accept Medicare assignment?
- Yes. Medicare's clinician data says Ambrosia J. Simmons 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 Ambrosia J. Simmons's NPI number?
- 1932769627. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ambrosia J. Simmons works
Medicare's Facility Affiliation Data lists Ambrosia J. Simmons 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.
- Plains Regional Medical CenterClovis, NM · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 320022
- Roosevelt General HospitalPortales, NM · Acute Care Hospital · Emergency services: listed by Medicare · CCN 320084
Practice locations
Addresses where Ambrosia J. Simmons is enrolled with Medicare (CMS data updated October 2, 2026).
- 2100 N Dr M L King Jr BlvdClovis, NM 88101 (505) 769‑2141
Group practices
Medicare enrollment lists Ambrosia J. Simmons as a member of this group (CMS data updated October 2, 2026).
- Presbyterian Healthcare Services1,395 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in New Mexico
Clinicians with the same Medicare primary specialty in New Mexico — not a recommendation.
Other clinicians in Presbyterian Healthcare Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932769627 |
| 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