Arthur Galoustian, MD
NPI 1487685426ActiveIndividual· Internal Medicine, Nephrology· Riverside, CA
Internal Medicine, Nephrology (MD) with Nephrology Associates Medical Group Inc, practicing in Riverside, California. Their prescriptions cost Medicare Part D more than their services did: $852,511 for 2,306 claims, against $173,477 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $274.61 in all, mostly food and beverage. Lists Riverside Community Hospital as a hospital affiliation.
Overview
| NPI | 1487685426 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Jul 29, 2021 |
| Certified by provider | Jul 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A95220 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 350 |
|---|---|
| Services billed | 1,571 across 21 procedure codes |
| Paid by Medicare | $173,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,306 · 4,636 30-day fills |
|---|---|
| Patients | 301 |
| Total drug cost | $852,511 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Associates Medical Group IncTemecula, CA · 64 clinicians
Hospital affiliation
- Riverside Community HospitalRiverside, CA
Other facilities
- Davita Jurupa Valley DialysisDialysis facility · Jurupa Valley, CA
- Davita Riverside Dialysis CenterDialysis facility · Riverside, CA
- Davita Riverside Mission Home TrainingDialysis facility · Riverside, CA
Industry payments (Open Payments)
- 2025$274.61 · 15 payments from 6 companies
- 2024$455.87 · 18 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $108.76 | 6 |
| Scpharmaceuticals Inc. | $57.59 | 3 |
| Ardelyx, Inc. | $35.62 | 2 |
| Astrazeneca Pharmaceuticals LP | $33.74 | 2 |
| Otsuka America Pharmaceutical, Inc. | $23.73 | 1 |
What the 2025 payments were for
- Food and Beverage$274.61 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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