Lynn Elizabeth Mastrianni, NP
NPI 1205177672ActiveIndividual· Nurse Practitioner, Gerontology· Farmington, CT
Nurse Practitioner, Gerontology (NP) with Yale University and 2 other groups, practicing in Farmington, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $7,130,547 for 2,022 claims, against $19,332 paid for services in 2024. Abbvie Inc. reported $172.60 in payments in 2025, mostly food and beverage. Lists Bridgeport Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1205177672 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Mar 11, 2013 |
| Last updated in NPPES | Sep 30, 2026 |
| Certified by provider | Sep 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 6560 | CT |
| Nurse Practitioner, Adult Health | 363LA2200X | 006560 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 125 |
|---|---|
| Services billed | 315 across 7 procedure codes |
| Paid by Medicare | $19,332 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,022 · 2,584 30-day fills |
|---|---|
| Patients | 328 |
| Total drug cost | $7,130,547 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Yale UniversityNew Haven, CT · 2,645 clinicians
- Hartford HospitalHartford, CT · 1,044 clinicians
- Ptsma IncAnsonia, CT · 224 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- Hartford HospitalHartford, CT
- Lawrence & Memorial HospitalNew London, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$172.60 · 7 payments from 1 company
- 2024$195.43 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $172.60 | 7 |
What the 2025 payments were for
- Food and Beverage$172.60 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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