Quick answers
- Does Michelle Villanueva accept Medicare assignment?
- Medicare's clinician data says Michelle Villanueva may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Michelle Villanueva see?
- In 2024, CMS data shows 147 Original Medicare patients and 148 services for Michelle Villanueva. This counts Original Medicare only and measures volume, not quality.
- What is Michelle Villanueva's NPI number?
- 1558678953. 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 Michelle Villanueva, 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 | 147 |
|---|---|
| Services billed to Medicare | 148 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)20 services
- Anesthesia for other procedure on skin of arms, legs, and front body (00400)14 services
- Anesthesia for procedure to assess heart electrical activity (00537)11 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%
- Arthritis60%
- Ischemic heart disease49%
- Chronic kidney disease38%
- Diabetes36%
Hospitals where Michelle Villanueva works
Medicare's Facility Affiliation Data lists Michelle Villanueva 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.
- Montefiore Medical CenterBronx, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330059
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198
Practice locations
Addresses where Michelle Villanueva is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Healthy WayOceanside, NY 11572 (516) 632‑3000
- 111 E 210th StBronx, NY 10467
Group practices
Medicare enrollment lists Michelle Villanueva as a member of these groups (CMS data updated October 2, 2026).
- Montefiore Medical Center2,820 clinicians in the group
- Icahn School of Medicine at Mount Sinai176 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, NY — not a recommendation.
Other clinicians in Montefiore Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1558678953 |
| 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