Quick answers
- Does Catherine H. Topor Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine H. Topor Diaz 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 Catherine H. Topor Diaz see?
- In 2024, CMS data shows 405 Original Medicare patients and 539 services for Catherine H. Topor Diaz. This counts Original Medicare only and measures volume, not quality.
- What is Catherine H. Topor Diaz's NPI number?
- 1922417625. 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 Catherine H. Topor Diaz, 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 | 405 |
|---|---|
| Services billed to Medicare | 539 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)219 services
- Emergency department visit with moderate level of medical decision making (99284)145 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)88 services
- Critical care, first 30-74 minutes (99291)58 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%
- Arthritis51%
- Diabetes32%
- Depression31%
- Ischemic heart disease30%
Hospitals where Catherine H. Topor Diaz works
Medicare's Facility Affiliation Data lists Catherine H. Topor Diaz 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.
- Carson Tahoe Regional Medical CenterCarson City, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290019
- Renown Regional Medical CenterReno, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290001
Practice locations
Addresses where Catherine H. Topor Diaz is enrolled with Medicare (CMS data updated October 2, 2026).
- 1343 Newlands Dr WFernley, NV 89408 (775) 982‑5000
- 2814 N Carson St, Suite 101Carson City, NV 89706 (775) 982‑5000
- 440 USA Pkwy, Suite 101Sparks, NV 89437 (775) 982‑5000
- 975 Ryland St, Suite 100Reno, NV 89502 (775) 982‑5000
Group practices
Medicare enrollment lists Catherine H. Topor Diaz as a member of these groups (CMS data updated October 2, 2026).
- Community Care Services LLC641 clinicians in the group
- Hometown Health Management Company184 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Fernley
Clinicians with the same Medicare primary specialty in Fernley, NV — not a recommendation.
Other clinicians in Community Care Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922417625 |
| 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