Ahmad Mohamad, M.D
NPI 1891071007ActiveIndividual· Internal Medicine, Nephrology· Springfield, IL
Internal Medicine, Nephrology (M.D) with Springfield Clinic, LLP, practicing in Springfield, Illinois. Their prescriptions cost Medicare Part D more than their services did: $137,822 for 913 claims, against $90,927 paid for services in 2024. Alnylam Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $82.87 in all, mostly food and beverage. Lists Jacksonville Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1891071007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Nov 1, 2011 |
| Last updated in NPPES | Oct 3, 2022 |
| Certified by provider | Oct 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036160127 | IL |
| Internal Medicine | 207R00000X | 2020020200 | MO |
| Internal Medicine | 207R00000X | 125.060233 | 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 - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 1,045 across 20 procedure codes |
| Paid by Medicare | $90,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 913 · 1,571 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $137,822 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
Hospital affiliations
- Jacksonville Memorial HospitalJacksonville, IL
- Memorial Medical CenterSpringfield, IL
- St Johns HospitalSpringfield, IL
Industry payments (Open Payments)
- 2025$82.87 · 4 payments from 3 companies
- 2024$27.03 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alnylam Pharmaceuticals Inc. | $37.66 | 2 |
| Amgen Inc. | $25.98 | 1 |
| Teleflex LLC | $19.23 | 1 |
What the 2025 payments were for
- Food and Beverage$82.87 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 nephrologists in Springfield · All nephrologists in Illinois