Morton David Malkin, MD
NPI 1598709008ActiveIndividual· Internal Medicine, Gastroenterology· Chapel Hill, NC
Internal Medicine, Gastroenterology (MD) in Chapel Hill, North Carolina, trained at Chicago College of Medicine and Surgery (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $395,537 for 1,002 claims, against $97,574 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $138.93 in all, mostly education.
Overview
| NPI | 1598709008 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | May 11, 2021 |
| Certified by provider | May 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2000000531 | NC |
| Internal Medicine | 207R00000X | 2000000531 | NC |
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 - Gastroenterology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 297 |
|---|---|
| Services billed | 613 across 31 procedure codes |
| Paid by Medicare | $97,574 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,002 · 1,909 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $395,537 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- University of North Carolina at Chapel HillChapel Hill, NC · 2,052 clinicians
- Unc Physicians Network LLCKinston, NC · 998 clinicians
Hospital affiliation
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$138.93 · 3 payments from 2 companies
- 2024$93.37 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $111.69 | 2 |
| Ardelyx, Inc. | $27.24 | 1 |
What the 2025 payments were for
- Education$84.00 · 1 payment
- Food and Beverage$54.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 gastroenterologists in Chapel Hill · All gastroenterologists in North Carolina