John Anderson, D.O.
NPI 1962450049ActiveIndividual· Internal Medicine· McHenry, IL
Internal Medicine (D.O.) in McHenry, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $747,495 for 12,580 claims, against $176,151 paid for services in 2024. Lilly USA, LLC reported $45.00 in payments in 2025, mostly education.
Overview
| NPI | 1962450049 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | Oct 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036103841 | IL |
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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 602 |
|---|---|
| Services billed | 2,583 across 40 procedure codes |
| Paid by Medicare | $176,151 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,580 · 30,530 30-day fills |
|---|---|
| Patients | 1,215 |
| Total drug cost | $747,495 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Amedisys Home HealthHome health agency · Lake Zurich, IL
- Elara Caring IxHome health agency · Huntley, IL
- Home Care ExpertsHome health agency · Burr Ridge, IL
- Luxe Home HealthHome health agency · Des Plaines, IL
- Journeycare - BarringtonHospice · Barrington, IL
Industry payments (Open Payments)
- 2025$45.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $45.00 | 1 |
What the 2025 payments were for
- Education$45.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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