Maria Daisy Ilano, M.D.
NPI 1083638100ActiveIndividual· Psychiatry & Neurology, Psychiatry· Napa, CA
Psychiatry & Neurology, Psychiatry (M.D.) with County of Napa, practicing in Napa, California. Their prescriptions cost Medicare Part D more than their services did: $387,214 for 2,647 claims, against $31,139 paid for services in 2024. Neurocrine Biosciences, Inc. reported $24.64 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083638100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Nov 8, 2023 |
| Certified by provider | Nov 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A47981 | CA |
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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 113 |
|---|---|
| Services billed | 517 across 8 procedure codes |
| Paid by Medicare | $31,139 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,647 · 3,834 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $387,214 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- County of NapaNapa, CA · 7 clinicians
Industry payments (Open Payments)
- 2025$24.64 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $24.64 | 1 |
What the 2025 payments were for
- Food and Beverage$24.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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