Amer A. Khan, M.D.
NPI 1487652855ActiveIndividual· Internal Medicine, Nephrology· Houston, TX
Internal Medicine, Nephrology (M.D.) in Houston, Texas, trained at Northeastern Ohio University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,175,659 for 2,086 claims, against $134,995 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 21 companies reporting payments in 2025, $2,394 in all, mostly food and beverage.
Overview
| NPI | 1487652855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2005 |
| Last updated in NPPES | Mar 14, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | L3358 | 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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 288 |
|---|---|
| Services billed | 1,467 across 22 procedure codes |
| Paid by Medicare | $134,995 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,086 · 4,825 30-day fills |
|---|---|
| Patients | 368 |
| Total drug cost | $1,175,659 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Northeastern Ohio University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Southwest Nephrology Associates, LLPKaty, TX · 7 clinicians
Hospital affiliations
- HCA Houston Healthcare WestHouston, TX
- Houston Methodist Sugarland HospitalSugar Land, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
- Oakbend Medical CenterRichmond, TX
Other facilities
- Fmc SugarlandDialysis facility · Sugar Land, TX
- Fresenius Kidney Care Sugarland HomeDialysis facility · Sugar Land, TX
- Westminster DialysisDialysis facility · Houston, TX
Industry payments (Open Payments)
- 2025$2,394 · 90 payments from 21 companies
- 2024$1,652 · 69 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $303.33 | 5 |
| Mallinckrodt Hospital Products Inc. | $256.63 | 7 |
| Ardelyx, Inc. | $249.83 | 7 |
| Amgen Inc. | $220.70 | 11 |
| Scpharmaceuticals Inc. | $151.18 | 8 |
What the 2025 payments were for
- Food and Beverage$2,310 · 89 payments
- Education$83.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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