Nadeem Siddiqui, M.D.
NPI 1417915844ActiveIndividual· Internal Medicine, Nephrology· Plano, TX
Internal Medicine, Nephrology (M.D.) with Dallas Nephrology Associates, practicing in Plano, Texas. Their prescriptions cost Medicare Part D more than their services did: $306,814 for 1,319 claims, against $156,784 paid for services in 2024. Amgen Inc. was the largest of 5 companies reporting payments in 2025, $161.12 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center - Centennial and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1417915844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Apr 22, 2024 |
| Certified by provider | Apr 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | L7183 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 381 |
|---|---|
| Services billed | 7,606 across 26 procedure codes |
| Paid by Medicare | $156,784 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,319 · 2,692 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $306,814 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dallas Nephrology AssociatesIrving, TX · 157 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center - CentennialFrisco, TX
- Baylor Scott & White Medical Center PlanoPlano, TX
- Baylor Scott & White the Heart Hospital PlanoPlano, TX
- Medical City PlanoPlano, TX
Other facilities
- Usrc Plano DialysisDialysis facility · Plano, TX
Industry payments (Open Payments)
- 2025$161.12 · 8 payments from 5 companies
- 2024$59.73 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $52.18 | 3 |
| Astrazeneca Pharmaceuticals LP | $30.96 | 2 |
| Novo Nordisk Inc | $28.53 | 1 |
| Otsuka America Pharmaceutical, Inc. | $26.25 | 1 |
| Fresenius USA Marketing, Inc. | $23.20 | 1 |
What the 2025 payments were for
- Food and Beverage$161.12 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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