Sameer Ansar, M.D.
NPI 1942485735ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Rockford, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Osf Multi-Specialty Group, practicing in Rockford, Illinois. Their prescriptions cost Medicare Part D more than their services did: $4,028,807 for 9,084 claims, against $92,558 paid for services in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $22.69 in all, mostly food and beverage. Lists Osf Saint Katharine Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1942485735 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 31, 2007 |
| Last updated in NPPES | Sep 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 036-119752 | IL |
| Internal Medicine | 207R00000X | 036119752 | IL |
| Internal Medicine | 207R00000X | 40260 | AZ |
| Internal Medicine | 207R00000X | 036-119752 | 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 - Endocrinology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 654 |
|---|---|
| Services billed | 2,128 across 29 procedure codes |
| Paid by Medicare | $92,558 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,084 · 21,118 30-day fills |
|---|---|
| Patients | 990 |
| Total drug cost | $4,028,807 |
| Generic share | 41% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
Hospital affiliations
- Osf Saint Katharine Medical CenterDixon, IL
- Osf Saint Paul Medical CenterMendota, IL
- Rochelle Community HospitalRochelle, IL
- Saint Anthony Medical CenterRockford, IL
- Uw HealthRockford, IL
Industry payments (Open Payments)
- 2025$22.69 · 2 payments from 2 companies
- 2024$95.11 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $15.42 | 1 |
| Beta Bionics, Inc. | $7.27 | 1 |
What the 2025 payments were for
- Food and Beverage$22.69 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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