Sadik Mohamed Sharef, MD
NPI 1649408394ActiveIndividual· Internal Medicine, Nephrology· Denton, TX
Internal Medicine, Nephrology (MD) with North Texas Kidney Disease Associates, practicing in Denton, Texas. In 2024 Medicare paid $71,891 for 288 patients, and Part D covered 288 of their prescriptions, 84% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 10 companies reporting payments in 2025, $847.15 in all, mostly food and beverage. Lists Medical City Denton and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1649408394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 1, 2009 |
| Last updated in NPPES | Jan 30, 2025 |
| Certified by provider | Jan 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | V5130 | TX |
| Internal Medicine | 207R00000X | DR.0061899 | CO |
| Hospitalist | 208M00000X | 284425 | NY |
| Hospitalist | 208M00000X | DR.0061899 | CO |
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 - Internal Medicine (NY); Practitioner - Nephrology (TX); Practitioner - Internal Medicine (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 733 across 11 procedure codes |
| Paid by Medicare | $71,891 |
Part D prescriptions in 2024
| Prescriptions (claims) | 288 · 296 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $21,522 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- North Texas Kidney Disease AssociatesNorth Richland Hills, TX · 26 clinicians
Hospital affiliations
- Medical City DentonDenton, TX
- North Texas Medical CenterGainesville, TX
- Texas Health Presbyterian Hospital DentonDenton, TX
- The Heart Hospital Baylor DentonDenton, TX
Other facilities
- Davita Renal Center of North DentonDialysis facility · Denton, TX
- Fresenius Kidney Care South DentonDialysis facility · Denton, TX
Industry payments (Open Payments)
- 2025$847.15 · 32 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $197.51 | 10 |
| Scpharmaceuticals Inc. | $170.03 | 3 |
| Novartis Pharmaceuticals Corporation | $107.45 | 5 |
| Ardelyx, Inc. | $94.26 | 2 |
| Otsuka America Pharmaceutical, Inc. | $83.06 | 3 |
What the 2025 payments were for
- Food and Beverage$847.15 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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