Kristen Alice Derderian, CNP
Nurse Practitioner, Primary Care (CNP) with Mass General Brigham Medical Group Suburban Massachusetts Inc and 1 other group, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $256,237 for 2,937 claims, against $42,032 paid for services in 2024. Lilly USA, LLC was the largest of 9 companies reporting payments in 2024, $351.13 in all, mostly food and beverage. Lists Brigham and Women Faulkner Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1407417645 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Jun 27, 2019 |
| Last updated in NPPES | Mar 21, 2022 |
| Certified by provider | Mar 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Primary Care Primary | 363LP2300X | 2021013574 | MO |
| Nurse Practitioner, Primary Care | 363LP2300X | RN2321686 | 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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 699 across 36 procedure codes |
| Paid by Medicare | $42,032 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,937 · 6,183 30-day fills |
|---|---|
| Patients | 392 |
| Total drug cost | $256,237 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Mass General Brigham Medical Group Suburban Massachusetts IncPembroke, MA · 602 clinicians
- Mass General Brigham Community Physicians IncWatertown, MA · 428 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
Other facilities
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
Industry payments (Open Payments)
- 2024$351.13 · 16 payments from 9 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $84.73 | 3 |
| Pfizer Inc. | $65.16 | 3 |
| Astrazeneca Pharmaceuticals LP | $52.33 | 2 |
| Novo Nordisk Inc | $41.98 | 2 |
| Novartis Pharmaceuticals Corporation | $35.22 | 2 |
What the 2024 payments were for
- Food and Beverage$351.13 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 primary care nurse practitioners in Saint Louis · All primary care nurse practitioners in Missouri