Amy Marie Buck, APN
NPI 1053587402ActiveIndividual· Nurse Practitioner, Family· O Fallon, IL
Nurse Practitioner, Family (APN) with Hshs Medical Group Inc, practicing in O Fallon, Illinois. Their prescriptions cost Medicare Part D more than their services did: $550,638 for 3,777 claims, against $19,545 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 16 companies reporting payments in 2025, $22,346 in all, mostly honoraria. Lists Hshs St Elizabeth's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1053587402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN |
| Sole proprietor | No |
| NPI issued | May 6, 2008 |
| Last updated in NPPES | Dec 29, 2021 |
| Certified by provider | Dec 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209005545 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 415 across 33 procedure codes |
| Paid by Medicare | $19,545 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,777 · 7,258 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $550,638 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Hshs Medical Group IncO Fallon, IL · 219 clinicians
Hospital affiliations
- Hshs St Elizabeth's HospitalO Fallon, IL
- St Johns HospitalSpringfield, IL
Other facilities
- Hshs Home Care IllinoisHome health agency · Effingham, IL
Industry payments (Open Payments)
- 2025$22,346 · 244 payments from 16 companies
- 2024$1,227 · 91 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $19,955 | 43 |
| Novo Nordisk Inc | $485.75 | 37 |
| Astrazeneca Pharmaceuticals LP | $339.77 | 37 |
| Abbvie Inc. | $313.97 | 27 |
| Pfizer Inc. | $272.01 | 37 |
What the 2025 payments were for
- Honoraria$17,064 · 9 payments
- Food and Beverage$3,460 · 225 payments
- Travel and Lodging$1,822 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family nurse practitioners in O Fallon · All family nurse practitioners in Illinois