Quick answers
- Does Lissette M. Rivas Siracusa accept Medicare assignment?
- Yes. Medicare's clinician data says Lissette M. Rivas Siracusa 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 Lissette M. Rivas Siracusa see?
- In 2024, CMS data shows 132 Original Medicare patients and 1,029 services for Lissette M. Rivas Siracusa. This counts Original Medicare only and measures volume, not quality.
- What is Lissette M. Rivas Siracusa's NPI number?
- 1750804316. 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 Lissette M. Rivas Siracusa, 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 | 132 |
|---|---|
| Services billed to Medicare | 1,029 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
- Automated urinalysis test (81003)88 services
- Ultrasound measurement of bladder capacity after voiding (51798)54 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)35 services
- Simple insertion of temporary bladder tube (51702)21 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%
- Ischemic heart disease38%
- Arthritis36%
- Chronic kidney disease30%
- Atrial fibrillation23%
Hospitals where Lissette M. Rivas Siracusa works
Medicare's Facility Affiliation Data lists Lissette M. Rivas Siracusa 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.
- Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033
Practice locations
Addresses where Lissette M. Rivas Siracusa is enrolled with Medicare (CMS data updated October 2, 2026).
- 51 -53 Kenosia AveDanbury, CT 06810 (203) 748‑0330
Group practices
Medicare enrollment lists Lissette M. Rivas Siracusa as a member of this group (CMS data updated October 2, 2026).
- Urology Associates of Danbury, PC13 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Danbury
Clinicians with the same Medicare primary specialty in Danbury, CT — not a recommendation.
Other clinicians in Urology Associates of Danbury, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750804316 |
| 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