Melissa J. Warren, CRNA
NPI 1225422967ActiveIndividual· Nurse Anesthetist, Certified Registered· Newport News, VA
Nurse Anesthetist, Certified Registered (CRNA) with American Anesthesiology of Virginia PC, practicing in Newport News, Virginia. Medicare paid $8,898 for services to 97 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $49.26 in all, mostly food and beverage. Lists Riverside Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1225422967 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Mar 19, 2015 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 0024172823 | VA |
| Registered Nurse | 163W00000X | RN589576 | PA |
| Registered Nurse | 163W00000X | 0001257438 | VA |
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) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 98 across 43 procedure codes |
| Paid by Medicare | $8,898 |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- American Anesthesiology of Virginia PCMechanicsville, VA · 531 clinicians
Hospital affiliation
- Riverside Regional Medical CenterNewport News, VA
Industry payments (Open Payments)
- 2025$49.26 · 2 payments from 2 companies
- 2024$20.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.27 | 1 |
| Ibsa Pharma Inc. | $23.99 | 1 |
What the 2025 payments were for
- Food and Beverage$49.26 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 nurse anesthetists in Newport News · All nurse anesthetists in Virginia