Ronald P. Guzas, DO
NPI 1437240363ActiveIndividual· Emergency Medicine· Denville, NJ
Emergency Medicine (DO) in Denville, New Jersey, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1999). 546 Medicare patients in 2024, $84,684 paid; nearly all of their 221 Part D prescriptions were generic (90%).
Overview
| NPI | 1437240363 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | May 15, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | OS0008914 | FL |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 546 |
|---|---|
| Services billed | 907 across 34 procedure codes |
| Paid by Medicare | $84,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 221 · 222 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $4,057 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Physicians of Saint Clares LLCDenville, NJ · 10 clinicians
Hospital affiliation
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 emergency medicine physicians in Denville · All emergency medicine physicians in New Jersey