David Nacionales, DO
NPI 1699169227ActiveIndividual· Psychiatry & Neurology, Neurology· Palm Springs, CA
Psychiatry & Neurology, Neurology (DO) in Palm Springs, California, trained at College of Osteo Med of the Pacific at Pomona (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $605,546 for 1,113 claims, against $44,134 paid for services in 2024. Acadia Pharmaceuticals Inc was the largest of 23 companies reporting payments in 2025, $6,007 in all, mostly food and beverage.
Overview
| NPI | 1699169227 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Mar 20, 2015 |
| Last updated in NPPES | Mar 17, 2021 |
| Certified by provider | Mar 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 20A15651 | CA |
| Psychiatry & Neurology, Neurology | 2084N0400X | 247861 | NC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 291 |
|---|---|
| Services billed | 475 across 28 procedure codes |
| Paid by Medicare | $44,134 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,113 · 1,819 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $605,546 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | College of Osteo Med of the Pacific at Pomona |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Pih Health PhysiciansSanta Fe Springs, CA · 622 clinicians
- Thrive Neurology PCGarden Grove, CA · 2 clinicians
Hospital affiliations
- Chino Valley Medical CenterChino, CA
- Garden Grove Hospital & Medical CenterGarden Grove, CA
- Montclair Hospital Medical CenterMontclair, CA
- Pih Health Good Samaritan HospitalLos Angeles, CA
- Pih Health Hospital-WhittierWhittier, CA
Industry payments (Open Payments)
- 2025$6,007 · 135 payments from 23 companies
- 2024$2,517 · 39 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $1,598 | 6 |
| Neuropace, Inc. | $905.11 | 7 |
| Ucb, Inc. | $749.42 | 30 |
| Abbvie Inc. | $575.84 | 20 |
| Neurocrine Biosciences, Inc. | $256.12 | 5 |
What the 2025 payments were for
- Food and Beverage$4,508 · 133 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,400 · 1 payment
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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