Mark A. Greenberger, M.D.
NPI 1174555742ActiveIndividual· Internal Medicine· Highland Park, IL
Internal Medicine (M.D.) in Highland Park, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $965,142 for 6,467 claims, against $205,598 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 2 companies reporting payments in 2024, $163.99 in all, mostly food and beverage.
Overview
| NPI | 1174555742 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-076304 | 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 | 320 |
|---|---|
| Services billed | 3,890 across 51 procedure codes |
| Paid by Medicare | $205,598 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,467 · 13,572 30-day fills |
|---|---|
| Patients | 447 |
| Total drug cost | $965,142 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mark A Greenberger MD SCHighland Park, IL · 2 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Memorial HospitalChicago, IL
Other facilities
- Guardian Home Health Care, LLCHome health agency · Northfield, IL
- Meridian Home Health Care Services, IncHome health agency · Libertyville, IL
- Guardian Healthcare & Hospice, LLCHospice · Northfield, IL
- Lake Forest PlaceNursing home · Lake Forest, IL
- Radford GreenNursing home · Lincolnshire, IL
- Whitehall of DeerfieldNursing home · Deerfield, IL
Industry payments (Open Payments)
- 2024$163.99 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $124.00 | 1 |
| Pfizer Inc. | $39.99 | 1 |
What the 2024 payments were for
- Food and Beverage$124.00 · 1 payment
- Education$39.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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