Karsyn Stark, APRN-CNS
NPI 1699370346ActiveIndividual· Nurse Practitioner, Family· Bastrop, TX
Nurse Practitioner, Family (APRN-CNS) with South Austin Family Practice Clinic, PLLC, practicing in Bastrop, Texas. Their prescriptions cost Medicare Part D more than their services did: $462,244 for 3,917 claims, against $60,793 paid for services in 2024. Lilly USA, LLC was the largest of 17 companies reporting payments in 2025, $1,256 in all, mostly food and beverage. Lists Ascension Seton Hays and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1699370346 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN-CNS |
| Sole proprietor | Yes |
| NPI issued | Dec 1, 2020 |
| Last updated in NPPES | Aug 17, 2021 |
| Certified by provider | Aug 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 1007985 | TX |
| Clinical Nurse Specialist | 364S00000X | 1007985 | TX |
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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 318 |
|---|---|
| Services billed | 1,828 across 43 procedure codes |
| Paid by Medicare | $60,793 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,917 · 8,619 30-day fills |
|---|---|
| Patients | 564 |
| Total drug cost | $462,244 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- South Austin Family Practice Clinic, PLLCAustin, TX · 63 clinicians
Hospital affiliations
- Ascension Seton HaysKyle, TX
- Ascension Seton Medical Center AustinAustin, TX
- Ascension Seton SmithvilleSmithville, TX
- St David's South Austin Medical CenterAustin, TX
Other facilities
- Enhabit Home HealthHome health agency · San Antonio, TX
- Jol HealthcareHome health agency · Bastrop, TX
Industry payments (Open Payments)
- 2025$1,256 · 74 payments from 17 companies
- 2024$1,476 · 95 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $245.38 | 16 |
| Astrazeneca Pharmaceuticals LP | $171.71 | 20 |
| Novo Nordisk Inc | $135.66 | 8 |
| Exact Sciences Corporation | $99.69 | 5 |
| Corcept Therapeutics | $94.97 | 1 |
What the 2025 payments were for
- Food and Beverage$1,256 · 74 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Bastrop
- 1255884532
- 1427362219
- 1770134025
- 1770830473
- 1801551817
- 1962827576
- 1093296287
- 1720774383
- 1083259766
- 1700450210
- 1932872868
- 1992211213
All 22 family nurse practitioners in Bastrop · All family nurse practitioners in Texas