Joseph Y. Ahn, MD
NPI 1487789863ActiveIndividual· Emergency Medicine· Round Lake, IL
Emergency Medicine (MD) in Round Lake, Illinois, trained at University of Michigan Medical School (class of 2006). In 2024 Medicare paid $14,794 for 130 patients, and Part D covered 174 of their prescriptions, 86% of them generic.
Overview
| NPI | 1487789863 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 23, 2007 |
| Last updated in NPPES | Sep 24, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | C70003552 | DE |
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 (IL); Practitioner - Emergency Medicine (TX); Practitioner - Emergency Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 157 across 11 procedure codes |
| Paid by Medicare | $14,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 174 · 174 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $3,431 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Emergency Medicine Services of Tx, PLLCSpring Branch, TX · 400 clinicians
- McAllen Emergency Medicine Associates PAMcAllen, TX · 79 clinicians
- Edinburg Emergency Medicine Associates PAEdinburg, TX · 72 clinicians
- Canyon Springs Emergency Medicine Associates PAAlamo, TX · 58 clinicians
Hospital affiliations
- Harlingen Medical CenterHarlingen, TX
- Knapp Medical CenterWeslaco, TX
- South Texas Health SystemEdinburg, TX
- Valley Regional Medical CenterBrownsville, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records