Amer Rahman, M.D.
NPI 1114978087ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Elgin, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Elgin Metabolic Center LLC, practicing in Elgin, Illinois. Their prescriptions cost Medicare Part D more than their services did: $3,217,853 for 7,241 claims, against $132,380 paid for services in 2024. Dexcom, Inc. was the largest of 32 companies reporting payments in 2025, $3,864 in all, mostly food and beverage. Lists Advocate Good Shepherd Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1114978087 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 15, 2006 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036087167 | 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 | 572 |
|---|---|
| Services billed | 2,256 across 14 procedure codes |
| Paid by Medicare | $132,380 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,241 · 16,052 30-day fills |
|---|---|
| Patients | 879 |
| Total drug cost | $3,217,853 |
| Generic share | 37% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Endocrinology |
Medical group
- Elgin Metabolic Center LLCElgin, IL · 2 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Lutheran General HospitalPark Ridge, IL
- Advocate Sherman HospitalElgin, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Saint Joseph Hospital-ElginElgin, IL
Industry payments (Open Payments)
- 2025$3,864 · 180 payments from 32 companies
- 2024$3,883 · 186 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $573.76 | 12 |
| Lilly USA, LLC | $344.98 | 19 |
| Novo Nordisk Inc | $341.79 | 14 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $278.51 | 17 |
| Amgen Inc. | $268.94 | 19 |
What the 2025 payments were for
- Food and Beverage$3,831 · 179 payments
- Education$32.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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