Deewan Deewan, MD
NPI 1811292055ActiveIndividual· Internal Medicine, Nephrology· Columbia, SC
Internal Medicine, Nephrology (MD) with Carolina Kidney Specialists, LLC, practicing in Columbia, South Carolina. 503 Medicare patients in 2024, $235,864 paid; nearly all of their 1,306 Part D prescriptions were generic (90%). Amgen Inc. was the largest of 11 companies reporting payments in 2025, $760.41 in all, mostly food and beverage. Lists Kershawhealth and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1811292055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 19, 2011 |
| Last updated in NPPES | May 16, 2023 |
| Certified by provider | May 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 40554 | SC |
| Internal Medicine | 207R00000X | 40554 | SC |
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 - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 503 |
|---|---|
| Services billed | 2,188 across 14 procedure codes |
| Paid by Medicare | $235,864 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,306 · 2,825 30-day fills |
|---|---|
| Patients | 284 |
| Total drug cost | $130,415 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Carolina Kidney Specialists, LLCColumbia, SC · 5 clinicians
Hospital affiliations
- KershawhealthCamden, SC
- Lexington Medical CenterWest Columbia, SC
- Musc Health Columbia Medical Center DowntownColumbia, SC
- Prisma Health BaptistColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
Other facilities
- Central Columbia Kidney CenterDialysis facility · Columbia, SC
- Columbia Northeast Kidney CenterDialysis facility · Columbia, SC
- Lexington Kidney Center, LLCDialysis facility · West Columbia, SC
Industry payments (Open Payments)
- 2025$760.41 · 40 payments from 11 companies
- 2024$778.47 · 35 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $206.66 | 11 |
| Travere Therapeutics, Inc. | $112.49 | 7 |
| Calliditas Therapeutics US Inc. | $99.14 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $89.44 | 5 |
| Mallinckrodt Hospital Products Inc. | $81.74 | 4 |
What the 2025 payments were for
- Food and Beverage$760.41 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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