Aaron R. Ritter, MD
NPI 1154633808ActiveIndividual· Psychiatry & Neurology, Psychiatry· Las Vegas, NV
Psychiatry & Neurology, Psychiatry (MD) with Hoag Clinic, practicing in Las Vegas, Nevada. Their prescriptions cost Medicare Part D more than their services did: $614,531 for 4,660 claims, against $119,709 paid for services in 2024. Lilly USA, LLC was the largest of 8 companies reporting payments in 2025, $71,823 in all, mostly speaking and faculty fees. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1154633808 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2010 |
| Last updated in NPPES | Jul 7, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 15396 | NV |
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); Practitioner - Psychiatry (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 585 |
|---|---|
| Services billed | 1,028 across 11 procedure codes |
| Paid by Medicare | $119,709 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,660 · 7,982 30-day fills |
|---|---|
| Patients | 658 |
| Total drug cost | $614,531 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Other facilities
- Hoag Home HealthHome health agency · Newport Beach, CA
Industry payments (Open Payments)
- 2025$71,823 · 59 payments from 8 companies
- 2024$64,749 · 80 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $60,886 | 28 |
| Otsuka America Pharmaceutical, Inc. | $10,007 | 8 |
| Acadia Pharmaceuticals Inc | $522.85 | 17 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $124.56 | 1 |
| Lundbeck LLC | $93.19 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$35,574 · 15 payments
- Consulting Fee$34,000 · 9 payments
- Food and Beverage$1,563 · 30 payments
- Travel and Lodging$685.78 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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