Shannon B. Rider, MD
NPI 1508846429ActiveIndividual· Internal Medicine· Herrin, IL
Internal Medicine (MD) in Herrin, Illinois, trained at Southern Illinois University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $3,583,522 for 53,855 claims, against $4,540 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 5 companies reporting payments in 2025, $96.01 in all, mostly food and beverage.
Overview
| NPI | 1508846429 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 18, 2006 |
| Last updated in NPPES | Apr 29, 2026 |
| Certified by provider | Apr 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036105880 | 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 | 128 |
|---|---|
| Services billed | 133 across 10 procedure codes |
| Paid by Medicare | $4,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53,855 · 66,515 30-day fills |
|---|---|
| Patients | 1,798 |
| Total drug cost | $3,583,522 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
Medical groups
- Southern Illinois Medical Services NfpCarterville, IL · 334 clinicians
- Logan Primary Care Service Corp.Herrin, IL · 34 clinicians
Hospital affiliations
- Ferrell Hospital Community FoundationsEldorado, IL
- Franklin HospitalBenton, IL
- Harrisburg Medical CenterHarrisburg, IL
- Herrin HospitalHerrin, IL
- Memorial Hospital of CarbondaleCarbondale, IL
Other facilities
- Hospice of Southern Illinois, IncHospice · Belleville, IL
- Helia Healthcare of EnergyNursing home · Energy, IL
- Manor Court of CarbondaleNursing home · Carbondale, IL
- Saline Care Nursing and RehabNursing home · Harrisburg, IL
- Shawnee Senior LivingNursing home · Herrin, IL
- Stonebridge Nursing and RehabNursing home · Benton, IL
Industry payments (Open Payments)
- 2025$96.01 · 5 payments from 5 companies
- 2024$258.34 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $29.04 | 1 |
| Otsuka America Pharmaceutical, Inc. | $19.72 | 1 |
| Novo Nordisk Inc | $18.42 | 1 |
| Abbvie Inc. | $17.46 | 1 |
| Phathom Pharmaceuticals, Inc. | $11.37 | 1 |
What the 2025 payments were for
- Food and Beverage$96.01 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Herrin
- 1144395633
- 1588752703
- 1700807575
- 1841344876
- 1548263668