Christa Lauren Knoernschild, APRN, FNP-C
NPI 1952049785ActiveIndividual· Nurse Practitioner· Saint Louis, MO
Nurse Practitioner (APRN, FNP-C) with Ch Specialty Services Mo LLC, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $207,872 for 4,802 claims, against $36,690 paid for services in 2024.
Overview
| NPI | 1952049785 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, FNP-C |
| Sole proprietor | Yes |
| NPI issued | May 23, 2022 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 2022017344 | MO |
| Nurse Practitioner | 363L00000X | 209025538 | IL |
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 (IL); Practitioner - Nurse Practitioner (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 579 across 9 procedure codes |
| Paid by Medicare | $36,690 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,802 · 4,891 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $207,872 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ch Specialty Services Mo LLCSaint Louis, MO · 108 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 448 nurse practitioners in Saint Louis · All nurse practitioners in Missouri