Robert Ara Petrossian, MD
NPI 1912436015ActiveIndividual· Urology· Osage Beach, MO
Urology (MD) in Osage Beach, Missouri, trained at Oakland Univ, William Beaumont School of Medicine (class of 2017). 429 Medicare patients in 2024, $114,357 paid; nearly all of their 626 Part D prescriptions were generic (93%). Janssen Biotech, Inc. was the largest of 15 companies reporting payments in 2025, $918.84 in all, mostly food and beverage.
Overview
| NPI | 1912436015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2017 |
| Last updated in NPPES | Oct 1, 2026 |
| Certified by provider | Oct 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 2023045072 | MO |
| Urology | 208800000X | A178626 | CA |
| Urology | 208800000X | MD497569 | PA |
| Urology | 208800000X | 036-167643 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (IL); Practitioner - Urology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 429 |
|---|---|
| Services billed | 3,619 across 69 procedure codes |
| Paid by Medicare | $114,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 626 · 1,247 30-day fills |
|---|---|
| Patients | 284 |
| Total drug cost | $32,247 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Oakland Univ, William Beaumont School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Urology |
Medical group
- Urology of St Louis IncSaint Peters, MO · 94 clinicians
Hospital affiliations
- Anderson HospitalMaryville, IL
- Hshs St Elizabeth's HospitalO Fallon, IL
- Osf Saint Anthony's Health CenterAlton, IL
- St Josephs HospitalBreese, IL
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$918.84 · 25 payments from 15 companies
- 2024$612.99 · 20 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $212.49 | 4 |
| Procept Biorobotics Corporation | $195.21 | 3 |
| Urogen Pharma, Inc. | $142.13 | 2 |
| Abbvie Inc. | $89.91 | 4 |
| Astrazeneca Pharmaceuticals LP | $55.87 | 2 |
What the 2025 payments were for
- Food and Beverage$883.78 · 24 payments
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Urology providers in Osage Beach
- 1750356663
- 1609215003