Joumana Tannous Chaiban, MD
NPI 1124233291ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Merrionette Park, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Advocate Health and Hospitals Corporation, practicing in Merrionette Park, Illinois. Their prescriptions cost Medicare Part D more than their services did: $728,050 for 1,571 claims, against $63,257 paid for services in 2024. Lists Advocate Christ Hospital & Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1124233291 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2007 |
| Last updated in NPPES | May 25, 2023 |
| Certified by provider | May 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036-133347 | IL |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 2015013437 | MO |
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 - Endocrinology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 884 across 18 procedure codes |
| Paid by Medicare | $63,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,571 · 3,283 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $728,050 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Trinity HospitalChicago, 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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