Preston Baker, MD
NPI 1588241301ActiveIndividual· Hospitalist· Evanston, IL
Hospitalist (MD) with Endeavor Health Medical Group, practicing in Evanston, Illinois. Their prescriptions cost Medicare Part D more than their services did: $10,148 for 87 claims, against $5,930 paid for services in 2024. Lists Northshore University Healthsystem - Evanston Hospital as a hospital affiliation.
Overview
| NPI | 1588241301 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2021 |
| Last updated in NPPES | Mar 20, 2024 |
| Certified by provider | Mar 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 036169216 | IL |
| Internal Medicine | 207R00000X | 036169216 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hospitalist (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 45 across 9 procedure codes |
| Paid by Medicare | $5,930 |
Part D prescriptions in 2024
| Prescriptions (claims) | 87 · 154 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $10,148 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
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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