Spencer Henry Su, M.D.
NPI 1851414684ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (M.D.) in Houston, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2002). In 2024 Medicare paid $108,211 for 362 patients, and Part D covered 923 of their prescriptions, 84% of them generic. Amgen Inc. was the largest of 23 companies reporting payments in 2025, $1,846 in all, mostly food and beverage.
Overview
| NPI | 1851414684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2007 |
| Last updated in NPPES | May 20, 2026 |
| Certified by provider | May 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M5944 | TX |
| Hospitalist | 208M00000X | M5944 | TX |
| Internal Medicine, Nephrology | 207RN0300X | M5944 | 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 | 362 |
|---|---|
| Services billed | 1,086 across 15 procedure codes |
| Paid by Medicare | $108,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 923 · 1,437 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $156,432 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
Medical groups
- Memorial Hermann Medical GroupSugar Land, TX · 762 clinicians
- Samir Sahai MD PLLCHouston, TX · 4 clinicians
Hospital affiliations
- Houston Methodist Sugarland HospitalSugar Land, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Other facilities
- Davita First Colony Dialysis CenterDialysis facility · Sugar Land, TX
- Tirr Memorial HermannInpatient rehabilitation facility · Houston, TX
Industry payments (Open Payments)
- 2025$1,846 · 78 payments from 23 companies
- 2024$1,375 · 71 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $282.24 | 8 |
| Opko Pharmaceuticals, LLC | $188.28 | 12 |
| Astrazeneca Pharmaceuticals LP | $167.15 | 9 |
| Otsuka America Pharmaceutical, Inc. | $151.22 | 7 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $135.92 | 2 |
What the 2025 payments were for
- Food and Beverage$1,846 · 78 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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