Quick answers
- Does Desiree Castonguay accept Medicare assignment?
- Yes. Medicare's clinician data says Desiree Castonguay 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 Desiree Castonguay see?
- In 2024, CMS data shows 78 Original Medicare patients and 168 services for Desiree Castonguay. This counts Original Medicare only and measures volume, not quality.
- What is Desiree Castonguay's NPI number?
- 1730578535. 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 Desiree Castonguay, 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 | 78 |
|---|---|
| Services billed to Medicare | 168 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)31 services
- Removal of impacted ear wax (69210)24 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)24 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services
- Diagnostic exam of voice box using a flexible endoscope (31575)17 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 cholesterol75%
- High blood pressure74%
- Arthritis53%
- Ischemic heart disease35%
- Diabetes27%
- Chronic kidney disease23%
Hospitals where Desiree Castonguay works
Medicare's Facility Affiliation Data lists Desiree Castonguay 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.
- Saint Rose Dominican Hospitals - San Martin CampusLas Vegas, NV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 290053
Practice locations
Addresses where Desiree Castonguay is enrolled with Medicare (CMS data updated October 2, 2026).
- 1707 W Charleston BlvdLas Vegas, NV 89102
- 5320 S Rainbow Blvd, Suite 260Las Vegas, NV 89118 (702) 405‑8150
- 8689 W Charleston Blvd, Suite 105Las Vegas, NV 89117 (702) 304‑5900
Group practices
Medicare enrollment lists Desiree Castonguay as a member of these groups (CMS data updated October 2, 2026).
- UNLV Medicine177 clinicians in the group
- Dignity Health Medical Group Nevada LLC124 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Other clinicians in UNLV Medicine
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) | 1730578535 |
| 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