David Olszewski, CRNA
NPI 1861597346ActiveIndividual· Nurse Anesthetist, Certified Registered· Riverside, RI
Nurse Anesthetist, Certified Registered (CRNA) with Matrix Anesthesia PC and 1 other group, practicing in Riverside, Rhode Island. Medicare paid $6,212 for services to 47 patients in 2024. Merck Sharp & Dohme LLC reported $40.98 in payments in 2024, mostly food and beverage. Lists Signature Healthcare Brockton Hospital as a hospital affiliation.
Overview
| NPI | 1861597346 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Oct 9, 2025 |
| Certified by provider | Oct 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | APRN01091 | RI |
| Nurse Anesthetist, Certified Registered | 367500000X | RNA24756 | RI |
| Nurse Anesthetist, Certified Registered | 367500000X | 209211 | MA |
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 - Certified Registered Nurse Anesthetist (CRNA) (MA); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 47 across 23 procedure codes |
| Paid by Medicare | $6,212 |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Matrix Anesthesia PCBrockton, MA · 52 clinicians
- Anesthesia Partners of New England LLCSwansea, MA · 37 clinicians
Hospital affiliation
- Signature Healthcare Brockton HospitalBrockton, MA
Industry payments (Open Payments)
- 2024$40.98 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $40.98 | 2 |
What the 2024 payments were for
- Food and Beverage$40.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Anesthetist, Certified Registered providers in Riverside
- 1912049222
- 1861584005
- 1598222002
- 1972647816
All Nurse Anesthetist, Certified Registered providers in Rhode Island →