Michael E. Mandis, MD
NPI 1821065764ActiveIndividual· Internal Medicine· Maryville, IL
Internal Medicine (MD) with Anderson Medical Group LLC and 1 other group, practicing in Maryville, Illinois. Their prescriptions cost Medicare Part D more than their services did: $546,370 for 7,434 claims, against $40,816 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $42.91 in all, mostly food and beverage. Lists Anderson Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1821065764 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Mar 31, 2020 |
| Certified by provider | Mar 31, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036112094 | IL |
| Emergency Medicine | 207P00000X | 036112094 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 244 |
|---|---|
| Services billed | 660 across 22 procedure codes |
| Paid by Medicare | $40,816 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,434 · 17,388 30-day fills |
|---|---|
| Patients | 525 |
| Total drug cost | $546,370 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Emergency Medicine |
Medical groups
- Anderson Medical Group LLCBrambleton, VA · 136 clinicians
- Midwest Emergency Anderson Health IncStaunton, IL · 36 clinicians
Hospital affiliations
- Anderson HospitalMaryville, IL
- Community Hospital of StauntonStaunton, IL
- Hshs St Elizabeth's HospitalO Fallon, IL
Other facilities
- Anderson Home Health ServicesHome health agency · Maryville, IL
Industry payments (Open Payments)
- 2025$42.91 · 2 payments from 2 companies
- 2024$40.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $21.66 | 1 |
| Lilly USA, LLC | $21.25 | 1 |
What the 2025 payments were for
- Food and Beverage$42.91 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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