Mandy Demerchant, DNP, APRN
NPI 1366994956ActiveIndividual· Nurse Practitioner, Gerontology· New Haven, CT
Nurse Practitioner, Gerontology (DNP, APRN) with Yale University, practicing in New Haven, Connecticut. 46 Medicare patients in 2024, $12,082 paid; nearly all of their 261 Part D prescriptions were generic (95%). Abbvie Inc. reported $20.75 in payments in 2025, mostly food and beverage. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1366994956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, APRN |
| Sole proprietor | No |
| NPI issued | Oct 29, 2016 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 6991 | CT |
| Nurse Practitioner, Adult Health | 363LA2200X | APRN01475 | RI |
| Nurse Practitioner, Gerontology | 363LG0600X | APRN01475 | RI |
| Nurse Practitioner, Primary Care | 363LP2300X | APRN01475 | RI |
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 | 46 |
|---|---|
| Services billed | 152 across 4 procedure codes |
| Paid by Medicare | $12,082 |
Part D prescriptions in 2024
| Prescriptions (claims) | 261 · 329 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $11,644 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| 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$20.75 · 1 payment from 1 company
- 2024$34.57 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $20.75 | 1 |
What the 2025 payments were for
- Food and Beverage$20.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 gerontology nurse practitioners in New Haven · All gerontology nurse practitioners in Connecticut