Karissa Nicole Borrelli, CRNA
NPI 1942897624ActiveIndividual· Nurse Anesthetist, Certified Registered· Newark, DE
Nurse Anesthetist, Certified Registered (CRNA) with Bayhealth Medical Center, Inc and 2 other groups, practicing in Newark, Delaware. Medicare paid $10,989 for services to 147 patients in 2024. Heron Therapeutics, Inc. was the largest of 4 companies reporting payments in 2025, $93.63 in all, mostly food and beverage. Lists Bayhealth Hospital, Sussex Campus and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1942897624 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Dec 28, 2020 |
| Last updated in NPPES | Dec 28, 2020 |
| Certified by provider | Dec 28, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 135731 | DE |
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) (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 147 across 35 procedure codes |
| Paid by Medicare | $10,989 |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Bayhealth Medical Center, IncDover, DE · 413 clinicians
- Anesthesia Company LLCPrince Frederick, MD · 378 clinicians
- Northstar Anesthesia of Delaware LLCWilmington, DE · 117 clinicians
Hospital affiliations
- Bayhealth Hospital, Sussex CampusMilford, DE
- Bayhealth Medical Center, Kent CampusDover, DE
- Tidalhealth Nanticoke, Inc.Seaford, DE
Industry payments (Open Payments)
- 2025$93.63 · 5 payments from 4 companies
- 2024$60.54 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heron Therapeutics, Inc. | $34.07 | 2 |
| Chiesi USA, Inc. | $23.40 | 1 |
| Vertex Pharmaceuticals Incorporated | $18.66 | 1 |
| Merck Sharp & Dohme LLC | $17.50 | 1 |
What the 2025 payments were for
- Food and Beverage$93.63 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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