John Kimy Demian Guirguis, M.D.
NPI 1972922466ActiveIndividual· Internal Medicine, Nephrology· Mobile, AL
Internal Medicine, Nephrology (M.D.) with Nephrology Associates of Mobile, P.A. and 1 other group, practicing in Mobile, Alabama. In 2024 Medicare paid $115,150 for 416 patients, and Part D covered 527 of their prescriptions, 86% of them generic. Novartis Pharmaceuticals Corporation was the largest of 2 companies reporting payments in 2025, $240.71 in all, mostly food and beverage. Lists Mobile Infirmary Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1972922466 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 10, 2014 |
| Last updated in NPPES | Dec 9, 2024 |
| Certified by provider | Dec 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 48579 | AL |
| Internal Medicine, Hepatology | 207RI0008X | 57.024042 | OH |
| Internal Medicine, Nephrology | 207RN0300X | 55563 | KY |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 416 |
|---|---|
| Services billed | 1,641 across 22 procedure codes |
| Paid by Medicare | $115,150 |
Part D prescriptions in 2024
| Prescriptions (claims) | 527 · 1,117 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $89,432 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Nephrology |
Medical groups
- Nephrology Associates of Mobile, P.A.Mobile, AL · 41 clinicians
- Mobile Vascular Labs LLCMobile, AL · 4 clinicians
Hospital affiliations
- Mobile Infirmary Medical CenterMobile, AL
- Springhill Medical CenterMobile, AL
- USA Health HCA Providence Hospital, LLCMobile, AL
Other facilities
- Fmc South MobileDialysis facility · Grand Bay, AL
Industry payments (Open Payments)
- 2025$240.71 · 10 payments from 2 companies
- 2024$184.83 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $172.70 | 6 |
| Amgen Inc. | $68.01 | 4 |
What the 2025 payments were for
- Food and Beverage$240.71 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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