Shannon L. Garrison, CRNA
NPI 1326317660ActiveIndividual· Nurse Anesthetist, Certified Registered· Warrenton, VA
Nurse Anesthetist, Certified Registered (CRNA) with Medstream Anesthesia PLLC, practicing in Warrenton, Virginia. Medicare paid $14,630 for services to 132 patients in 2024. Haemonetics Corporation was the largest of 2 companies reporting payments in 2025, $41.14 in all, mostly food and beverage. Lists Fauquier Hospital as a hospital affiliation.
Overview
| NPI | 1326317660 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Dec 15, 2011 |
| Last updated in NPPES | Mar 20, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 0024169896 | 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) (DC); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 135 across 43 procedure codes |
| Paid by Medicare | $14,630 |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Medstream Anesthesia PLLCOttumwa, IA · 573 clinicians
Hospital affiliation
- Fauquier HospitalWarrenton, VA
Industry payments (Open Payments)
- 2025$41.14 · 2 payments from 2 companies
- 2024$75.89 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Haemonetics Corporation | $23.95 | 1 |
| Merck Sharp & Dohme LLC | $17.19 | 1 |
What the 2025 payments were for
- Food and Beverage$41.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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