Khondker Islam, MD
NPI 1568441855ActiveIndividual· Internal Medicine, Gastroenterology· Decatur, IL
Internal Medicine, Gastroenterology (MD) with Carle Health Care Incorporated and 1 other group, practicing in Decatur, Illinois. Their prescriptions cost Medicare Part D more than their services did: $182,313 for 1,014 claims, against $84,432 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,479 in all, mostly food and beverage. Lists Carle Health Methodist Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1568441855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 13, 2006 |
| Last updated in NPPES | Oct 2, 2024 |
| Certified by provider | Oct 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036102111 | IL |
| Internal Medicine, Gastroenterology | 207RG0100X | 24098 | MS |
| Internal Medicine, Gastroenterology | 207RG0100X | 069489 | GA |
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 - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 470 |
|---|---|
| Services billed | 1,060 across 34 procedure codes |
| Paid by Medicare | $84,432 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,014 · 1,798 30-day fills |
|---|---|
| Patients | 366 |
| Total drug cost | $182,313 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Carle Health Care IncorporatedUrbana, IL · 1,666 clinicians
- Methodist Medical Center of IllinoisPeoria, IL · 382 clinicians
Hospital affiliations
- Carle Health Methodist HospitalPeoria, IL
- Carle Health Pekin HospitalPekin, IL
- Carle Health Proctor HospitalPeoria, IL
- Saint Francis Medical CenterPeoria, IL
Industry payments (Open Payments)
- 2025$2,479 · 122 payments from 20 companies
- 2024$473.52 · 18 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $837.77 | 53 |
| Janssen Biotech, Inc. | $496.45 | 14 |
| Madrigal Pharmaceuticals | $217.45 | 5 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $192.88 | 16 |
| Gilead Sciences, Inc. | $183.90 | 6 |
What the 2025 payments were for
- Food and Beverage$2,469 · 121 payments
- Education$10.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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