Cara Hahs, MD
NPI 1427031129ActiveIndividual· Surgery· Ballwin, MO
Surgery (MD) in Ballwin, Missouri, trained at University of South Carolina School of Medicine (class of 1997). 245 Medicare patients in 2024, $51,852 paid; nearly all of their 133 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 2 companies reporting payments in 2025, $282.20 in all, mostly food and beverage.
Overview
| NPI | 1427031129 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 28, 2005 |
| Last updated in NPPES | Mar 2, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 112784 | MO |
| Surgery | 208600000X | 01057613A | IN |
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 - General Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 245 |
|---|---|
| Services billed | 399 across 26 procedure codes |
| Paid by Medicare | $51,852 |
Part D prescriptions in 2024
| Prescriptions (claims) | 133 · 133 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $548.25 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | General Surgery |
Medical group
- Mercy Clinic St Louis Cancer and Breast Institute LLCBallwin, MO · 10 clinicians
Hospital affiliations
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$282.20 · 2 payments from 2 companies
- 2024$83.44 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $172.27 | 1 |
| Elucent Medical | $109.93 | 1 |
What the 2025 payments were for
- Food and Beverage$282.20 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Ballwin
- 1912980186
- 1922258458