Umer Ejaz Malik, M.D.
NPI 1336589274ActiveIndividual· Internal Medicine, Gastroenterology· Stony Brook, NY
Internal Medicine, Gastroenterology (M.D.) with Gastrointestinal Specialist of Georgia, practicing in Stony Brook, New York. Mostly services rather than prescriptions: Medicare paid $40,640 for 248 patients in 2024, with only 31 Part D claims. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $322.23 in all, mostly food and beverage. Lists Wellstar Cobb Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336589274 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2013 |
| Last updated in NPPES | Jul 14, 2023 |
| Certified by provider | Jul 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 319922 | NY |
| Hospitalist | 208M00000X | 054591 | CT |
| Student in an Organized Health Care Education/Training Program | 390200000X | BP10047726 | TX |
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) | Enrolled Practitioner - Gastroenterology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 248 |
|---|---|
| Services billed | 414 across 45 procedure codes |
| Paid by Medicare | $40,640 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 44 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $12,860 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Gastrointestinal Specialist of GeorgiaWoodstock, GA · 35 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Douglas Medical CenterDouglasville, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar Paulding Medical CenterHiram, GA
Industry payments (Open Payments)
- 2025$322.23 · 12 payments from 6 companies
- 2024$271.47 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $92.29 | 4 |
| Madrigal Pharmaceuticals | $76.18 | 2 |
| Janssen Biotech, Inc. | $58.36 | 3 |
| Regeneron Healthcare Solutions, Inc. | $34.71 | 1 |
| Ardelyx, Inc. | $31.29 | 1 |
What the 2025 payments were for
- Food and Beverage$322.23 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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