Jonathan H. Maks, MD
NPI 1720033160ActiveIndividual· Internal Medicine· Wilmette, IL
Internal Medicine (MD) in Wilmette, Illinois, trained at Northwestern University Feinberg Medical School (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $767,146 for 8,234 claims, against $188,457 paid for services in 2024.
Overview
| NPI | 1720033160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 24, 2006 |
| Last updated in NPPES | Oct 29, 2025 |
| Certified by provider | Oct 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-103034 | IL |
| Internal Medicine, Geriatric Medicine | 207RG0300X | 036-103034 | 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 | 361 |
|---|---|
| Services billed | 2,762 across 54 procedure codes |
| Paid by Medicare | $188,457 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,234 · 16,667 30-day fills |
|---|---|
| Patients | 481 |
| Total drug cost | $767,146 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- North Shore Physicians Group PLLCWilmette, IL · 3 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Saint Francis Hospital-EvanstonEvanston, IL
Other facilities
- Access Life Care, LtdHome health agency · Northbrook, IL
- Guardian Home Health Care, LLCHome health agency · Northfield, IL
- Guardian Healthcare & Hospice, LLCHospice · Northfield, IL
- Westminster PlaceNursing home · Evanston, 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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