Aja Simone Rivera, RN
NPI 1457919292ActiveIndividual· Nurse Anesthetist, Certified Registered· Dyer, IN
Nurse Anesthetist, Certified Registered (RN) with Northstar Anesthesia of Indiana LLC, practicing in Dyer, Indiana. Medicare paid $16,485 for services to 164 patients in 2024. Merck Sharp & Dohme LLC reported $51.31 in payments in 2025, mostly food and beverage. Lists Franciscan Health Dyer and 1 other hospital as hospital affiliations.
Overview
| NPI | 1457919292 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN |
| Sole proprietor | No |
| NPI issued | Jun 5, 2019 |
| Last updated in NPPES | Dec 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 28164192A | IN |
| Registered Nurse | 163W00000X | 28164192A | IN |
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 - Certified Registered Nurse Anesthetist (CRNA) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 164 |
|---|---|
| Services billed | 165 across 41 procedure codes |
| Paid by Medicare | $16,485 |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Northstar Anesthesia of Indiana LLCNew Albany, IN · 133 clinicians
Hospital affiliations
- Franciscan Health DyerDyer, IN
- Franciscan Health MunsterMunster, IN
Industry payments (Open Payments)
- 2025$51.31 · 3 payments from 1 company
- 2024$30.69 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $51.31 | 3 |
What the 2025 payments were for
- Food and Beverage$51.31 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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