Swaminathan Padmanabhan Iyer, M.D.
NPI 1063493229ActiveIndividual· Internal Medicine, Hematology· Houston, TX
Internal Medicine, Hematology (M.D.) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,322,840 for 370 claims, against $61,305 paid for services in 2024. Acrotech Biopharma Inc. was the largest of 2 companies reporting payments in 2025, $13,405 in all, mostly consulting fees.
Overview
| NPI | 1063493229 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | Mar 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | M9564 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 002037-1 | NY |
| Internal Medicine, Hematology & Oncology | 207RH0003X | M9564 | 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 - Hematology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 674 across 18 procedure codes |
| Paid by Medicare | $61,305 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 455 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $1,322,840 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Hematology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$13,405 · 11 payments from 2 companies
- 2024$267.99 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acrotech Biopharma Inc. | $13,338 | 10 |
| Pfizer Inc. | $67.40 | 1 |
What the 2025 payments were for
- Consulting Fee$13,061 · 8 payments
- Travel and Lodging$180.97 · 1 payment
- Food and Beverage$163.09 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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