Sheldon Chen, M.D.
NPI 1003921495ActiveIndividual· Internal Medicine, Nephrology· Houston, TX
Internal Medicine, Nephrology (M.D.) in Houston, Texas, trained at Baylor College of Medicine (class of 1994). 307 Medicare patients in 2024, $93,615 paid; all of their 56 Part D prescriptions were generic. Alexion Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $291.70 in all, mostly consulting fees.
Overview
| NPI | 1003921495 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Feb 27, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | Q1964 | TX |
| Internal Medicine, Nephrology | 207RN0300X | 036-113589 | IL |
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 | 307 |
|---|---|
| Services billed | 993 across 16 procedure codes |
| Paid by Medicare | $93,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 56 · 135 30-day fills |
|---|---|
| Total drug cost | $944.85 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$291.70 · 2 payments from 2 companies
- 2024$361.22 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $175.00 | 1 |
| Calliditas Therapeutics US Inc. | $116.70 | 1 |
What the 2025 payments were for
- Consulting Fee$175.00 · 1 payment
- Food and Beverage$116.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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