Collette Williams Kalal, MD
NPI 1376905760ActiveIndividual· Internal Medicine· Maywood, IL
Internal Medicine (MD) in Maywood, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $281,092 for 2,430 claims, against $58,804 paid for services in 2024.
Overview
| NPI | 1376905760 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 24, 2016 |
| Last updated in NPPES | Aug 12, 2021 |
| Certified by provider | Aug 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036148860 | IL |
| Internal Medicine | 207R00000X | 125.068316 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 734 across 31 procedure codes |
| Paid by Medicare | $58,804 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,430 · 5,413 30-day fills |
|---|---|
| Patients | 280 |
| Total drug cost | $281,092 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Home Care ExpertsHome health agency · Burr Ridge, IL
- Shirley Ryan AbilitylabInpatient rehabilitation facility · Chicago, IL
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 253 internal medicine physicians in Maywood · All internal medicine physicians in Illinois