Nancynene Saysiri, MSN, APRN FNP-C
NPI 1164121414ActiveIndividual· Nurse Practitioner, Family· New Haven, CT
Nurse Practitioner, Family (MSN, APRN FNP-C) with Yale University, practicing in New Haven, Connecticut. 79 Medicare patients in 2024, $10,201 paid; nearly all of their 274 Part D prescriptions were generic (95%). Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $423.44 in all, mostly food and beverage. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1164121414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, APRN FNP-C |
| Sole proprietor | No |
| NPI issued | Feb 27, 2023 |
| Last updated in NPPES | Dec 3, 2023 |
| Certified by provider | Dec 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 11692 | 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 | 79 |
|---|---|
| Services billed | 205 across 16 procedure codes |
| Paid by Medicare | $10,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 274 · 303 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $11,786 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$423.44 · 9 payments from 3 companies
- 2024$123.94 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $268.83 | 4 |
| Leo Pharma Inc. | $136.28 | 3 |
| Organon LLC | $18.33 | 2 |
What the 2025 payments were for
- Food and Beverage$423.44 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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