Lissette Rivas Siracusa, APRN
NPI 1750804316ActiveIndividual· Nurse Practitioner, Family· Norwalk, CT
Nurse Practitioner, Family (APRN) with Urology Associates of Danbury, PC, practicing in Norwalk, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $87,565 for 804 claims, against $15,465 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 17 companies reporting payments in 2025, $1,251 in all, mostly food and beverage. Lists Danbury Hospital as a hospital affiliation.
Overview
| NPI | 1750804316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Jul 25, 2017 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 7088 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 1,029 across 15 procedure codes |
| Paid by Medicare | $15,465 |
Part D prescriptions in 2024
| Prescriptions (claims) | 804 · 1,690 30-day fills |
|---|---|
| Patients | 489 |
| Total drug cost | $87,565 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Urology Associates of Danbury, PCDanbury, CT · 13 clinicians
Hospital affiliation
- Danbury HospitalDanbury, CT
Industry payments (Open Payments)
- 2025$1,251 · 49 payments from 17 companies
- 2024$366.81 · 16 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $220.90 | 10 |
| Merck Sharp & Dohme LLC | $194.60 | 4 |
| Urogen Pharma, Inc. | $168.10 | 7 |
| Bayer Healthcare Pharmaceuticals Inc. | $104.67 | 4 |
| Astellas Pharma US Inc | $96.64 | 4 |
What the 2025 payments were for
- Food and Beverage$1,251 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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