Sayed Shayan Ahmed, M.D
NPI 1194160739ActiveIndividual· Internal Medicine, Nephrology· Cypress, TX
Internal Medicine, Nephrology (M.D) with Rahul Prakash, M.D., P.A., practicing in Cypress, Texas. In 2024 Medicare paid $130,803 for 251 patients, and Part D covered 274 of their prescriptions, 73% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $317.99 in all, mostly food and beverage. Lists HCA Houston Healthcare Kingwood and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1194160739 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | May 9, 2013 |
| Last updated in NPPES | Jan 21, 2020 |
| Certified by provider | Jan 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | R4800 | TX |
| Internal Medicine | 207R00000X | R4800 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 251 |
|---|---|
| Services billed | 1,928 across 13 procedure codes |
| Paid by Medicare | $130,803 |
Part D prescriptions in 2024
| Prescriptions (claims) | 274 · 508 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $63,839 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Rahul Prakash, M.D., P.A.Cypress, TX · 11 clinicians
Hospital affiliations
- HCA Houston Healthcare KingwoodKingwood, TX
- Houston Methodist Cypress HospitalCypress, TX
- Houston Methodist Willowbrook HospitalHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
Other facilities
- Davita Cyfair Dialysis CenterDialysis facility · Houston, TX
- Davita Cypress Woods Northwest DialysisDialysis facility · Jersey Village, TX
- Davita Fallbrook DialysisDialysis facility · Houston, TX
- Davita Vintage DialysisDialysis facility · Houston, TX
- Tanner DialysisDialysis facility · Houston, TX
Industry payments (Open Payments)
- 2025$317.99 · 15 payments from 8 companies
- 2024$316.46 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $96.83 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $61.54 | 3 |
| Calliditas Therapeutics US Inc. | $38.42 | 2 |
| Novartis Pharmaceuticals Corporation | $31.42 | 1 |
| Vifor Pharma, Inc. | $28.47 | 1 |
What the 2025 payments were for
- Food and Beverage$299.14 · 14 payments
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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