John A. Vanjah, CRNA
NPI 1003365974ActiveIndividual· Nurse Anesthetist, Certified Registered· New Haven, CT
Nurse Anesthetist, Certified Registered (CRNA) with Valley Health Anesthesia Services, LLC, practicing in New Haven, Connecticut. Medicare paid $27,523 for services to 318 patients in 2024. Merck Sharp & Dohme LLC reported $23.79 in payments in 2025, mostly food and beverage. Lists Winchester Medical Center as a hospital affiliation.
Overview
| NPI | 1003365974 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Oct 3, 2016 |
| Last updated in NPPES | Mar 8, 2024 |
| Certified by provider | Mar 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 6901 | CT |
| Nurse Anesthetist, Certified Registered | 367500000X | R232825 | MD |
| Nurse Anesthetist, Certified Registered | 367500000X | 0024182459 | 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) (CT); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (DC); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MD); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (VA); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 318 |
|---|---|
| Services billed | 321 across 54 procedure codes |
| Paid by Medicare | $27,523 |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Valley Health Anesthesia Services, LLCWinchester, VA · 125 clinicians
Hospital affiliation
- Winchester Medical CenterWinchester, VA
Industry payments (Open Payments)
- 2025$23.79 · 1 payment from 1 company
- 2024$33.81 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $23.79 | 1 |
What the 2025 payments were for
- Food and Beverage$23.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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