Joanne Ahn, M.D.
NPI 1629463856ActiveIndividual· Emergency Medicine· Belleville, NJ
Emergency Medicine (M.D.) with Rwjbh Emergency Medicine Associates, LLC, practicing in Belleville, New Jersey. 233 Medicare patients in 2024, $36,372 paid; nearly all of their 70 Part D prescriptions were generic (91%). Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $274.33 in all, mostly food and beverage. Lists Clara Maass Medical Center as a hospital affiliation.
Overview
| NPI | 1629463856 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 3, 2015 |
| Last updated in NPPES | Apr 24, 2024 |
| Certified by provider | Apr 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 25MA10275800 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 233 |
|---|---|
| Services billed | 289 across 26 procedure codes |
| Paid by Medicare | $36,372 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 70 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $1,487 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Rwjbh Emergency Medicine Associates, LLCJersey City, NJ · 848 clinicians
Hospital affiliation
- Clara Maass Medical CenterBelleville, NJ
Industry payments (Open Payments)
- 2025$274.33 · 14 payments from 5 companies
- 2024$641.50 · 24 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $151.75 | 8 |
| Csl Behring | $42.89 | 2 |
| Pfizer Inc. | $36.88 | 2 |
| Stryker Corporation | $27.14 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.67 | 1 |
What the 2025 payments were for
- Food and Beverage$274.33 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Emergency Medicine providers in Belleville
- 1447516000
- 1447120241
- 1487004792
- 1194912295
- 1750413464
- 1639818651
- 1649374000
- 1457380701
- 1184007858
- 1093759649
- 1437286002
- 1093759235