Carissa A. Horton, P.A.-C
NPI 1861489007ActiveIndividual· Physician Assistant· Manhattan, KS
Physician Assistant (P.A.-C) with Clay County Medical Center and 1 other group, practicing in Manhattan, Kansas. 400 Medicare patients in 2024, $54,716 paid; nearly all of their 517 Part D prescriptions were generic (99%). Grifols USA, LLC was the largest of 18 companies reporting payments in 2025, $1,507 in all, mostly food and beverage. Lists Ascension Via Christi Hospital Manhattan, Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1861489007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C |
| Sole proprietor | No |
| NPI issued | Oct 3, 2005 |
| Last updated in NPPES | Apr 4, 2022 |
| Certified by provider | Apr 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 12-01033 | KS |
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 - Physician Assistant (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 400 |
|---|---|
| Services billed | 2,037 across 39 procedure codes |
| Paid by Medicare | $54,716 |
Part D prescriptions in 2024
| Prescriptions (claims) | 517 · 636 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $7,947 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Clay County Medical CenterClay Center, KS · 46 clinicians
- Inspire ENT and Pulmonology PAManhattan, KS · 12 clinicians
Hospital affiliations
- Ascension Via Christi Hospital Manhattan, IncManhattan, KS
- Clay County Medical CenterClay Center, KS
- Salina Regional Health CenterSalina, KS
Industry payments (Open Payments)
- 2025$1,507 · 64 payments from 18 companies
- 2024$1,386 · 61 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Grifols USA, LLC | $265.26 | 9 |
| Inspire Medical Systems, Inc. | $230.51 | 10 |
| Genzyme Corporation | $228.36 | 11 |
| Astrazeneca Pharmaceuticals LP | $217.03 | 12 |
| Smith+nephew, Inc. | $86.58 | 2 |
What the 2025 payments were for
- Food and Beverage$1,507 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 physician assistants in Manhattan · All physician assistants in Kansas