Quick answers
- Does Maria R. Ponisio accept Medicare assignment?
- Yes. Medicare's clinician data says Maria R. Ponisio 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.
- How many Medicare patients does Maria R. Ponisio see?
- In 2024, CMS data shows 771 Original Medicare patients and 828 services for Maria R. Ponisio. This counts Original Medicare only and measures volume, not quality.
- What is Maria R. Ponisio's NPI number?
- 1073771283. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Maria R. Ponisio, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 771 |
|---|---|
| Services billed to Medicare | 828 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Nuclear medicine study from skull base to mid-thigh with ct scan (78815)332 services
- Dxa bone density measurement of hip, pelvis, spine (77080)192 services
- Nuclear medicine study of bone and/or joint whole body (78306)76 services
- Nuclear medicine study limited area with ct scan (78814)51 services
- Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging (78830)35 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure73%
- High cholesterol70%
- Arthritis48%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)43%
- Diabetes28%
- Chronic kidney disease28%
Hospitals where Maria R. Ponisio works
Medicare's Facility Affiliation Data lists Maria R. Ponisio 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.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260180
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- Phelps County Regional Medical CenterRolla, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260017
Practice locations
Addresses where Maria R. Ponisio is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 W 10th St, Phelps HealthRolla, MO 65401 (573) 364‑9000
- 510 S Kingshighway BlvdSaint Louis, MO 63110
Group practices
Medicare enrollment lists Maria R. Ponisio as a member of these groups (CMS data updated October 2, 2026).
- Washington University3,029 clinicians in the group
- Miracl LLC98 clinicians in the group
Specialties
- Nuclear Medicineprimary
- Diagnostic Radiologyalso
Other nuclear medicine doctors in Rolla
Clinicians with the same Medicare primary specialty in Rolla, MO — not a recommendation.
Other clinicians in Washington University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073771283 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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