Quick answers
- Does Maria T. Rizzo accept Medicare assignment?
- Yes. Medicare's clinician data says Maria T. Rizzo 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 T. Rizzo see?
- In 2024, CMS data shows 38 Original Medicare patients and 256 services for Maria T. Rizzo. This counts Original Medicare only and measures volume, not quality.
- What is Maria T. Rizzo's NPI number?
- 1689825929. 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 T. Rizzo, 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 | 38 |
|---|---|
| Services billed to Medicare | 256 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)104 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).
- Anxiety75%
- Depression68%
- High cholesterol66%
- High blood pressure61%
- Arthritis47%
- Ischemic heart disease34%
Hospitals where Maria T. Rizzo works
Medicare's Facility Affiliation Data lists Maria T. Rizzo 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.
- Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078
Practice locations
Addresses where Maria T. Rizzo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1001 Main St, Fl 4Buffalo, NY 14203 (716) 323‑0500
- 5851 Main StWilliamsville, NY 14221 (716) 932‑6080
- 665 Elm StBuffalo, NY 14203 (716) 845‑2300
Group practices
Medicare enrollment lists Maria T. Rizzo as a member of this group (CMS data updated October 2, 2026).
- University Neurology, Inc36 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Buffalo
Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.
Other clinicians in University Neurology, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689825929 |
| 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