Nicholas Pereira Risko, MD
NPI 1780025700ActiveIndividual· Emergency Medicine· Columbia, MD
Emergency Medicine (MD) in Columbia, Maryland, trained at University of Maryland School of Medicine (class of 2014). 550 Medicare patients in 2024, $71,677 paid; nearly all of their 156 Part D prescriptions were generic (91%). Medical Device Business Services, Inc. was the largest of 2 companies reporting payments in 2025, $210.59 in all, mostly education.
Overview
| NPI | 1780025700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2013 |
| Last updated in NPPES | Jan 9, 2024 |
| Certified by provider | Jan 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | D84989 | MD |
| Emergency Medicine | 207P00000X | 4348 | MD |
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 - Emergency Medicine (DC); Practitioner - Emergency Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 550 |
|---|---|
| Services billed | 597 across 24 procedure codes |
| Paid by Medicare | $71,677 |
Part D prescriptions in 2024
| Prescriptions (claims) | 156 · 173 30-day fills |
|---|---|
| Patients | 113 |
| Total drug cost | $4,366 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Emergency Medicine |
Medical group
- Johns Hopkins UniversityBaltimore, MD · 2,909 clinicians
Hospital affiliation
- Johns Hopkins Howard County Medical CenterColumbia, MD
Industry payments (Open Payments)
- 2025$210.59 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $137.01 | 1 |
| Ethicon US, LLC | $73.58 | 1 |
What the 2025 payments were for
- Education$137.01 · 1 payment
- Food and Beverage$73.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 emergency medicine physicians in Columbia · All emergency medicine physicians in Maryland