Kristofer M. Charlton-Ouw, MD
NPI 1104995828ActiveIndividual· Surgery, Vascular Surgery· Houston, TX
Surgery, Vascular Surgery (MD) in Houston, Texas, trained at Harvard Medical School (class of 2002). In 2024 Medicare paid $160,963 for 209 patients, and Part D covered 364 of their prescriptions, 88% of them generic. Endologix LLC was the largest of 19 companies reporting payments in 2025, $2,421 in all, mostly food and beverage.
Overview
| NPI | 1104995828 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2006 |
| Last updated in NPPES | Jan 28, 2022 |
| Certified by provider | Sep 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | M7907 | TX |
| Surgery | 208600000X | M7907 | TX |
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 - Vascular Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 209 |
|---|---|
| Services billed | 1,027 across 133 procedure codes |
| Paid by Medicare | $160,963 |
Part D prescriptions in 2024
| Prescriptions (claims) | 364 · 567 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $40,156 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Vascular Surgery |
| Secondary specialties | General Surgery |
Medical group
- Specialty Associates of West Houston PLLCHouston, TX · 129 clinicians
Hospital affiliations
- HCA Houston Healthcare Medical CenterHouston, TX
- HCA Houston Healthcare PearlandPearland, TX
Industry payments (Open Payments)
- 2025$2,421 · 39 payments from 19 companies
- 2024$5,310 · 74 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $856.64 | 5 |
| Medtronic, Inc. | $332.63 | 5 |
| W. L. Gore & Associates, Inc. | $246.79 | 2 |
| Abiomed | $147.49 | 1 |
| Abbott Laboratories | $139.26 | 8 |
What the 2025 payments were for
- Food and Beverage$2,421 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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