Mustafa Aladin, M.D.
NPI 1538546791ActiveIndividual· Internal Medicine· Westmont, IL
Internal Medicine (M.D.) with Lake Regional Health System and 2 other groups, practicing in Westmont, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,003,567 for 9,765 claims, against $114,688 paid for services in 2024. Kowa Pharmaceuticals America, Inc. was the largest of 11 companies reporting payments in 2025, $534.45 in all, mostly food and beverage. Lists Lake Regional Health System and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1538546791 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2015 |
| Last updated in NPPES | Oct 21, 2026 |
| Certified by provider | Oct 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036148597 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Pediatrics | 208000000X | 036148597 | IL |
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 - Internal Medicine (IL); Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 1,941 across 49 procedure codes |
| Paid by Medicare | $114,688 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,765 · 14,867 30-day fills |
|---|---|
| Patients | 379 |
| Total drug cost | $1,003,567 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Lake Regional Health SystemOsage Beach, MO · 138 clinicians
- Mercy East Ambulatory Services LLCChesterfield, MO · 105 clinicians
- Primary Care Physicians of Joliet SCWilmington, IL · 17 clinicians
Hospital affiliations
- Lake Regional Health SystemOsage Beach, MO
- Morris Hospital & Healthcare CentersMorris, IL
- Riverside Medical CenterKankakee, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Other facilities
- Prime Healthcare Home Care and Hospice, LLCHome health agency · Kankakee, IL
- Aperion Care WilmingtonNursing home · Wilmington, IL
Industry payments (Open Payments)
- 2025$534.45 · 32 payments from 11 companies
- 2024$411.80 · 23 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $149.73 | 11 |
| Novo Nordisk Inc | $83.78 | 5 |
| Otsuka America Pharmaceutical, Inc. | $63.94 | 3 |
| Astrazeneca Pharmaceuticals LP | $49.37 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $48.50 | 3 |
What the 2025 payments were for
- Food and Beverage$518.18 · 31 payments
- Education$16.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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