Michael Christopher Hassert, MSN, APN, AGNP-C
NPI 1972119014ActiveIndividual· Nurse Practitioner, Adult Health· Saint Louis, MO
Nurse Practitioner, Adult Health (MSN, APN, AGNP-C) with Karefirst Missouri PC, practicing in Saint Louis, Missouri. 208 Medicare patients in 2024, $83,161 paid; nearly all of their 1,289 Part D prescriptions were generic (91%).
Overview
| NPI | 1972119014 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, APN, AGNP-C |
| Sole proprietor | Yes |
| NPI issued | Sep 22, 2020 |
| Last updated in NPPES | Mar 15, 2024 |
| Certified by provider | Mar 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 2023007556 | MO |
| Nurse Practitioner, Gerontology | 363LG0600X | 2023007556 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 1,313 across 7 procedure codes |
| Paid by Medicare | $83,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,289 · 1,291 30-day fills |
|---|---|
| Patients | 88 |
| Total drug cost | $42,452 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Karefirst Missouri PCSaint Louis, MO · 11 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 327 adult health nurse practitioners in Saint Louis · All adult health nurse practitioners in Missouri