Julianna Catherine Dannenhoffer, FNP
NPI 1780183988ActiveIndividual· Nurse Practitioner, Family· West Haven, CT
Nurse Practitioner, Family (FNP) with Riverbend Medical Group Inc, practicing in West Haven, Connecticut. 137 Medicare patients in 2024, $22,995 paid; nearly all of their 459 Part D prescriptions were generic (98%). Stryker Corporation reported $27.80 in payments in 2025, mostly food and beverage. Lists Mercy Medical Ctr as a hospital affiliation.
Overview
| NPI | 1780183988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Feb 3, 2018 |
| Last updated in NPPES | Nov 2, 2026 |
| Certified by provider | Nov 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 7941 | CT |
| Registered Nurse | 163W00000X | RN2298915 | MA |
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); Practitioner - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 1,256 across 17 procedure codes |
| Paid by Medicare | $22,995 |
Part D prescriptions in 2024
| Prescriptions (claims) | 459 · 469 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $3,802 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Riverbend Medical Group IncAgawam, MA · 226 clinicians
Hospital affiliation
- Mercy Medical CtrSpringfield, MA
Industry payments (Open Payments)
- 2025$27.80 · 1 payment from 1 company
- 2024$37.85 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $27.80 | 1 |
What the 2025 payments were for
- Food and Beverage$27.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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