Michael E. Portner, MD
NPI 1659439867ActiveIndividual· Internal Medicine, Nephrology· Cleveland, MS
Internal Medicine, Nephrology (MD) in Cleveland, Mississippi, trained at University of Mississippi School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $578,003 for 1,271 claims, against $137,371 paid for services in 2024. Fresenius USA Marketing, Inc. reported $106.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1659439867 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 4, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 09174 | MS |
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 - Nephrology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 1,171 across 17 procedure codes |
| Paid by Medicare | $137,371 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,271 · 1,473 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $578,003 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Nephrology |
Medical groups
- Delta Hills Nephrology Clinics PLLCGrenada, MS · 4 clinicians
- Delta Hills Nephrology AssociatesGreenwood, MS · 3 clinicians
Hospital affiliations
- Bolivar Medical CenterCleveland, MS
- Greenwood Leflore HospitalGreenwood, MS
Other facilities
- Rcg BelzoniDialysis facility · Belzoni, MS
- Rcg ClevelandDialysis facility · Cleveland, MS
- Rcg IndianolaDialysis facility · Indianola, MS
Industry payments (Open Payments)
- 2025$106.21 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $106.21 | 5 |
What the 2025 payments were for
- Food and Beverage$106.21 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Cleveland
- 1467641787