Lovella Caluya-Diaz, M.D.
NPI 1497956320ActiveIndividual· Psychiatry & Neurology, Psychiatry· San Mateo, CA
Psychiatry & Neurology, Psychiatry (M.D.) in San Mateo, California, trained at New York Medical College (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $514,456 for 1,420 claims, against $9,310 paid for services in 2024. Teva Pharmaceuticals USA, Inc. reported $249.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1497956320 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 29, 2007 |
| Last updated in NPPES | Dec 9, 2020 |
| Certified by provider | Dec 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A060314 | 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 | 11 |
|---|---|
| Services billed | 72 across 2 procedure codes |
| Paid by Medicare | $9,310 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,420 · 1,472 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $514,456 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Psychiatry |
| Secondary specialties | Neuropsychiatry |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$249.99 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $249.99 | 2 |
What the 2025 payments were for
- Food and Beverage$249.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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