Arnold A. Lim, M.D.
NPI 1780611103ActiveIndividual· Internal Medicine, Rheumatology· Glendale, WI
Internal Medicine, Rheumatology (M.D.) with Rheumatic Disease Center, practicing in Glendale, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,538,731 for 2,538 claims, against $709,307 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 21 companies reporting payments in 2025, $2,097 in all, mostly food and beverage. Lists Aurora Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1780611103 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | May 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 53772 | WI |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 253 |
|---|---|
| Services billed | 75,457 across 85 procedure codes |
| Paid by Medicare | $709,307 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,538 · 5,304 30-day fills |
|---|---|
| Patients | 445 |
| Total drug cost | $2,538,731 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
Medical group
- Rheumatic Disease CenterGlendale, WI · 8 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
Industry payments (Open Payments)
- 2025$2,097 · 113 payments from 21 companies
- 2024$2,829 · 122 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $321.78 | 12 |
| Janssen Biotech, Inc. | $314.09 | 8 |
| Ucb, Inc. | $248.28 | 13 |
| Amgen Inc. | $228.71 | 16 |
| Abbvie Inc. | $220.06 | 15 |
What the 2025 payments were for
- Food and Beverage$2,097 · 113 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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