Mary Ann Villalon, PMHNP-BC
NPI 1447936984ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Chicago, IL
Nurse Practitioner, Psych/Mental Health (PMHNP-BC) with Memory Check Psychological Services, A Professional Corporation and 1 other group, practicing in Chicago, Illinois. 610 Medicare patients in 2024, $219,321 paid; nearly all of their 2,339 Part D prescriptions were generic (97%). Otsuka America Pharmaceutical, Inc. reported $248.81 in payments in 2024, mostly food and beverage. Lists Northwest Community Hospital 1 as a hospital affiliation.
Overview
| NPI | 1447936984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Jun 27, 2023 |
| Last updated in NPPES | Sep 9, 2025 |
| Certified by provider | Sep 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 209028066 | IL |
| Registered Nurse, Psych/Mental Health, Adult | 163WP0809X | 041483639 | 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 (CA); Practitioner - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 610 |
|---|---|
| Services billed | 3,767 across 10 procedure codes |
| Paid by Medicare | $219,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,339 · 2,343 30-day fills |
|---|---|
| Patients | 336 |
| Total drug cost | $55,918 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Memory Check Psychological Services, A Professional CorporationCarlsbad, CA · 76 clinicians
- Bespoke PsychiatryChicago, IL · 47 clinicians
Hospital affiliation
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
- 2024$248.81 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $248.81 | 2 |
What the 2024 payments were for
- Food and Beverage$248.81 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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