Matthew Scott Walker, DNP, APRN, CNP
NPI 1588186928ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Quincy, IL
Nurse Practitioner, Psych/Mental Health (DNP, APRN, CNP) with Quincy Physicians and Surgeons Clinic, PLLC, practicing in Quincy, Illinois. Part D covered 1,814 prescriptions written in 2024, 95% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 12 companies reporting payments in 2025, $836.42 in all, mostly food and beverage.
Overview
| NPI | 1588186928 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, APRN, CNP |
| Sole proprietor | No |
| NPI issued | Jul 7, 2017 |
| Last updated in NPPES | Dec 8, 2022 |
| Certified by provider | Dec 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 277000395 | IL |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 2017023152 | 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 (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,814 · 2,480 30-day fills |
|---|---|
| Patients | 127 |
| Total drug cost | $149,721 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Quincy Physicians and Surgeons Clinic, PLLCQuincy, IL · 223 clinicians
Industry payments (Open Payments)
- 2025$836.42 · 47 payments from 12 companies
- 2024$432.46 · 33 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $152.02 | 10 |
| E.R. Squibb & Sons, L.L.C. | $86.93 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $82.19 | 5 |
| Neurocrine Biosciences, Inc. | $80.67 | 4 |
| Abbvie Inc. | $76.88 | 3 |
What the 2025 payments were for
- Food and Beverage$836.42 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatric nurse practitioners in Quincy
- 1700331311
- 1801376744
- 1144960493
- 1215481247
- 1497445662
- 1558853143
- 1659064483
- 1932716925
- 1023153863
- 1306714068
- 1255258174
- 1790069540