Nataliya Sevastyanova, CNP
NPI 1518449198ActiveIndividual· Registered Nurse· Springfield, MA
Registered Nurse (CNP) with Riverbend Medical Group Inc, practicing in Springfield, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $1,998,200 for 5,191 claims, against $48,877 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 8 companies reporting payments in 2025, $842.42 in all, mostly food and beverage. Lists Baystate Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1518449198 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Aug 30, 2018 |
| Last updated in NPPES | Nov 27, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Registered Nurse Primary | 163W00000X | RN2266550 | MA |
| Registered Nurse | 163W00000X | 145419 | CT |
| Nurse Practitioner, Family | 363LF0000X | RN2266550 | 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 | 323 |
|---|---|
| Services billed | 619 across 7 procedure codes |
| Paid by Medicare | $48,877 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,191 · 7,595 30-day fills |
|---|---|
| Patients | 638 |
| Total drug cost | $1,998,200 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Riverbend Medical Group IncAgawam, MA · 226 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Mercy Medical CtrSpringfield, MA
Industry payments (Open Payments)
- 2025$842.42 · 38 payments from 8 companies
- 2024$482.67 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $180.56 | 12 |
| Astrazeneca Pharmaceuticals LP | $165.27 | 7 |
| Grifols USA, LLC | $116.25 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $111.58 | 5 |
| Genzyme Corporation | $104.00 | 2 |
What the 2025 payments were for
- Food and Beverage$842.42 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other registered nurses in Springfield
- 1538777156
- 1679282313
- 1235005919
- 1871463885
- 1235907403
- 1881269090
- 1407689334
- 1508503137
- 1508789934
- 1134875917
- 1013775220
- 1306531348
All 157 registered nurses in Springfield · All registered nurses in Massachusetts