Quick answers
- Does Dianna A. Rist accept Medicare assignment?
- Yes. Medicare's clinician data says Dianna A. Rist 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 Dianna A. Rist see?
- In 2024, CMS data shows 215 Original Medicare patients and 322 services for Dianna A. Rist. This counts Original Medicare only and measures volume, not quality.
- What is Dianna A. Rist's NPI number?
- 1871225359. 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 Dianna A. Rist, 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 | 215 |
|---|---|
| Services billed to Medicare | 322 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)102 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)32 services
- Insertion of abdominal cavity tube using an endoscope (49324)31 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 services
- Creation of artery-vein connection using tube graft for hemodialysis (36830)22 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 pressure75%
- High cholesterol75%
- Chronic kidney disease71%
- Ischemic heart disease65%
- Diabetes55%
- Arthritis54%
Hospitals where Dianna A. Rist works
Medicare's Facility Affiliation Data lists Dianna A. Rist 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.
- Sarasota Memorial HospitalSarasota, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100087
Practice locations
Addresses where Dianna A. Rist is enrolled with Medicare (CMS data updated October 2, 2026).
- 600 N Cattlemen Rd, Suite 220Sarasota, FL 34232 (941) 371‑6565
Group practices
Medicare enrollment lists Dianna A. Rist as a member of this group (CMS data updated October 2, 2026).
- Vascular Associates of Sarasota16 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sarasota
Clinicians with the same Medicare primary specialty in Sarasota, FL — not a recommendation.
Other clinicians in Vascular Associates of Sarasota
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Florida State University College Of Medicine |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871225359 |
| 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