Linh Nguyen O'Connor, MD
NPI 1609940287ActiveIndividual· Surgery· Columbus, GA
Surgery (MD) with Columbus Ambulatory Healthcare Services, Inc. and 2 other groups, practicing in Columbus, Georgia. 122 Medicare patients in 2024, $37,017 paid; all of their 72 Part D prescriptions were generic. Solventum Corporation was the largest of 2 companies reporting payments in 2025, $46.32 in all, mostly food and beverage. Lists Caromont Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1609940287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 17, 2006 |
| Last updated in NPPES | Oct 15, 2026 |
| Certified by provider | Oct 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 111530 | GA |
| Surgery | 208600000X | 036093594 | IL |
| Surgery | 208600000X | 2017-01424 | NC |
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 - General Surgery (GA); Practitioner - General Surgery (NC); Practitioner - General Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 226 across 53 procedure codes |
| Paid by Medicare | $37,017 |
Part D prescriptions in 2024
| Prescriptions (claims) | 72 · 90 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $753.64 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Columbus Ambulatory Healthcare Services, Inc.Columbus, GA · 159 clinicians
- The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ · 151 clinicians
- The Medical Center, Inc.Columbus, GA · 25 clinicians
Hospital affiliations
- Caromont Regional Medical CenterGastonia, NC
- Fort Defiance Indian HospitalFt. Defiance, AZ
- Piedmont Columbus Regional MidtownColumbus, GA
Industry payments (Open Payments)
- 2025$46.32 · 2 payments from 2 companies
- 2024$261.24 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $28.82 | 1 |
| Merck Sharp & Dohme LLC | $17.50 | 1 |
What the 2025 payments were for
- Food and Beverage$46.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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