Gansevoort Hurlbut Dunnington Jr., M.D.
NPI 1336335140ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Saint Helena, CA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Saint Helena, California, trained at Virginia Commonwealth University, School of Medicine (class of 1997). Mostly services rather than prescriptions: Medicare paid $337,113 for 354 patients in 2024, with only 11 Part D claims. Atricure, Inc. was the largest of 7 companies reporting payments in 2025, $158,902 in all, mostly consulting fees.
Overview
| NPI | 1336335140 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 15, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | A82962 | CA |
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 - Cardiac Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 354 |
|---|---|
| Services billed | 719 across 117 procedure codes |
| Paid by Medicare | $337,113 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 16 30-day fills |
|---|---|
| Total drug cost | $80.93 |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Cardiac Surgery |
| Secondary specialties | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
- Adventist Health Physicians NetworkSaint Helena, CA · 628 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health St HelenaSaint Helena, CA
- Adventist Health Ukiah ValleyUkiah, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sequoia HospitalRedwood City, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Lower Lake, CA
Industry payments (Open Payments)
- 2025$158,902 · 113 payments from 7 companies
- 2024$142,985 · 55 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $157,614 | 97 |
| Intuitive Surgical, Inc. | $573.29 | 5 |
| Medtronic, Inc. | $389.73 | 4 |
| Edwards Lifesciences Corporation | $126.48 | 2 |
| Baxter Healthcare | $120.07 | 3 |
What the 2025 payments were for
- Consulting Fee$147,625 · 27 payments
- Travel and Lodging$7,725 · 22 payments
- Food and Beverage$3,552 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Saint Helena
- 1821338302
- 1073765517
- 1528048659
- 1225156482
- 1841635869
All Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in California →