Michael Chad Chiles, PMHNP
NPI 1720846066ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Mount Pleasant, TX
Nurse Practitioner, Psych/Mental Health (PMHNP) with Lakes Regional Mental Health Mental Retardation Center, practicing in Mount Pleasant, Texas. Their prescriptions cost Medicare Part D more than their services did: $634,232 for 2,204 claims, against $2,671 paid for services in 2024. Vanda Pharmaceuticals Inc. was the largest of 10 companies reporting payments in 2025, $1,208 in all, mostly food and beverage.
Overview
| NPI | 1720846066 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Mar 11, 2024 |
| Last updated in NPPES | Mar 11, 2024 |
| Certified by provider | Mar 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 1153188 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 48 across 5 procedure codes |
| Paid by Medicare | $2,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,204 · 2,494 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $634,232 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Lakes Regional Mental Health Mental Retardation CenterTerrell, TX · 18 clinicians
Industry payments (Open Payments)
- 2025$1,208 · 71 payments from 10 companies
- 2024$380.73 · 17 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $410.34 | 17 |
| Abbvie Inc. | $214.34 | 19 |
| E.R. Squibb & Sons, L.L.C. | $178.49 | 14 |
| Teva Pharmaceuticals USA, Inc. | $137.35 | 9 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $77.33 | 4 |
What the 2025 payments were for
- Food and Beverage$1,208 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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