Katelyn Watson Zerbst, APRN
NPI 1396490843ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Mount Pleasant, SC
Nurse Practitioner, Psych/Mental Health (APRN) with Sweetgrass Psychiatry LLC, practicing in Mount Pleasant, South Carolina. Part D covered 24 prescriptions written in 2024, 79% of them generic. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $2,509 in all, mostly food and beverage.
Overview
| NPI | 1396490843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Feb 14, 2022 |
| Last updated in NPPES | Jan 15, 2026 |
| Certified by provider | Jan 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 26440 | SC |
| Nurse Practitioner, Family | 363LF0000X | 26440 | SC |
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 (SC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 42 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $5,255 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Sweetgrass Psychiatry LLCMount Pleasant, SC · 25 clinicians
Industry payments (Open Payments)
- 2025$2,509 · 68 payments from 17 companies
- 2024$1,006 · 42 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,148 | 16 |
| Janssen Pharmaceuticals, Inc | $197.83 | 7 |
| Axsome Therapeutics, Inc. | $177.61 | 9 |
| E.R. Squibb & Sons, L.L.C. | $140.71 | 6 |
| Otsuka America Pharmaceutical, Inc. | $137.93 | 2 |
What the 2025 payments were for
- Food and Beverage$1,759 · 67 payments
- Consulting Fee$750.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Psych/Mental Health providers in Mount Pleasant
- 1609381581
- 1770009565
- 1184435240
- 1326522194
- 1508052515
- 1447919808
- 1043999543
- 1013671171
- 1487990974
- 1518118108
- 1407699051
- 1497448484
All Nurse Practitioner, Psych/Mental Health providers in South Carolina →