Dr. Fredrick Ellyin, Ltd
NPI 1598847642ActiveOrganization· Internal Medicine, Endocrinology, Diabetes & Metabolism· Chicago, IL
Internal Medicine, Endocrinology, Diabetes & Metabolism in Chicago, Illinois, registered in NPPES in October 2006. The authorized official on file is Fredrick M. Ellyin, MD, FACP, FCP, FACE, Owner.
Overview
| NPI | 1598847642 |
|---|---|
| Status | Active |
| Entity type | Organization |
| NPI issued | Oct 19, 2006 |
| Last updated in NPPES | Apr 20, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | — | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Chicago
- 1053367664
- 1245701812
- 1730378423
- 1821048778
- 1366843682
- 1164415485
- 1154431971
- 1568429298
- 1720151301
- 1356389035
- 1427350776
- 1497832737
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Illinois →