Ximena Ysabel Chavez, M.D.
NPI 1912196502ActiveIndividual· Internal Medicine, Rheumatology· Skokie, IL
Internal Medicine, Rheumatology (M.D.) in Skokie, Illinois, trained at Illinois Medical College (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,370,943 for 1,906 claims, against $60,032 paid for services in 2024.
Overview
| NPI | 1912196502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2007 |
| Last updated in NPPES | Feb 19, 2021 |
| Certified by provider | Feb 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 036119412 | 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 - Rheumatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 326 |
|---|---|
| Services billed | 1,129 across 14 procedure codes |
| Paid by Medicare | $60,032 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,906 · 4,404 30-day fills |
|---|---|
| Patients | 363 |
| Total drug cost | $1,370,943 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Illinois Medical College |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish 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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