Gregory Jerard Ozark, MD
NPI 1558337840ActiveIndividual· Internal Medicine· Maywood, IL
Internal Medicine (MD) in Maywood, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $271,993 for 3,763 claims, against $42,684 paid for services in 2024. Cranial Technologies, Inc reported $15.64 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1558337840 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Jul 7, 2021 |
| Certified by provider | Jul 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 36094072 | IL |
| Pediatrics | 208000000X | 36094072 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 657 across 18 procedure codes |
| Paid by Medicare | $42,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,763 · 8,717 30-day fills |
|---|---|
| Patients | 436 |
| Total drug cost | $271,993 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliations
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Loyola University Medical CenterMaywood, IL
Other facilities
- Loyola Medicine Home CareHome health agency · Oak Brook, IL
Industry payments (Open Payments)
- 2024$15.64 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Cranial Technologies, Inc | $15.64 | 1 |
What the 2024 payments were for
- Food and Beverage$15.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 253 internal medicine physicians in Maywood · All internal medicine physicians in Illinois