Maria M. Oliva-Hemker, M.D.
NPI 1306890801ActiveIndividual· Pediatrics, Pediatric Gastroenterology· Baltimore, MD
Pediatrics, Pediatric Gastroenterology (M.D.) in Baltimore, Maryland, licensed in MD, with an NPI issued in May 2006. Enrolled in Medicare as practitioner - pediatric medicine. Celltrion USA Inc. reported $2,853 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1306890801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 20, 2006 |
| Last updated in NPPES | Feb 5, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Gastroenterology Primary | 2080P0206X | D39176 | MD |
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 - Pediatric Medicine (MD) |
|---|
Industry payments (Open Payments)
- 2025$2,853 · 1 payment from 1 company
- 2024$39.91 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion USA Inc. | $2,853 | 1 |
What the 2025 payments were for
- Consulting Fee$2,853 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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