Tanazul T. Pariswala, MD
NPI 1760979991ActiveIndividual· Internal Medicine, Nephrology· Dallas, TX
Internal Medicine, Nephrology (MD) with Dallas Renal Group, P.A., practicing in Dallas, Texas. 177 Medicare patients in 2024, $92,208 paid; nearly all of their 507 Part D prescriptions were generic (90%). Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $138.54 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center at Irving and 1 other hospital as hospital affiliations.
Overview
| NPI | 1760979991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 13, 2018 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | U1105 | TX |
| Internal Medicine, Nephrology | 207RN0300X | 311271 | NY |
| Internal Medicine | 207R00000X | U1105 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 889 across 20 procedure codes |
| Paid by Medicare | $92,208 |
Part D prescriptions in 2024
| Prescriptions (claims) | 507 · 1,076 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $69,187 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Dallas Renal Group, P.A.Dallas, TX · 53 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center at IrvingIrving, TX
- Methodist Dallas Medical CenterDallas, TX
Other facilities
- Davita Lake Cliff Dialysis CenterDialysis facility · Dallas, TX
- Usrc Premier GastonDialysis facility · Dallas, TX
Industry payments (Open Payments)
- 2025$138.54 · 3 payments from 3 companies
- 2024$121.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $121.84 | 1 |
| Purdue Pharma L.P. | $16.31 | 1 |
| Travere Therapeutics, Inc. | $0.39 | 1 |
What the 2025 payments were for
- Food and Beverage$121.84 · 1 payment
- Gift$16.31 · 1 payment
- Education$0.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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