Di Ma, M.D.
NPI 1053790139ActiveIndividual· Internal Medicine· Oak Lawn, IL
Internal Medicine (M.D.) in Oak Lawn, Illinois, trained at Saint Louis University School of Medicine (class of 2015). 248 Medicare patients in 2024, $69,155 paid; nearly all of their 290 Part D prescriptions were generic (91%). Edwards Lifesciences Corporation reported $200.49 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1053790139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 22, 2015 |
| Last updated in NPPES | Oct 2, 2025 |
| Certified by provider | Oct 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 125066431 | 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 | 248 |
|---|---|
| Services billed | 719 across 11 procedure codes |
| Paid by Medicare | $69,155 |
Part D prescriptions in 2024
| Prescriptions (claims) | 290 · 312 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $13,109 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliation
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
Industry payments (Open Payments)
- 2025$200.49 · 1 payment from 1 company
- 2024$121.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $200.49 | 1 |
What the 2025 payments were for
- Food and Beverage$200.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 194 internal medicine physicians in Oak Lawn · All internal medicine physicians in Illinois