Aiman S. Shammas, MD
NPI 1710184957ActiveIndividual· Internal Medicine, Nephrology· Baltimore, MD
Internal Medicine, Nephrology (MD) with Maryland Kidney Group PA, practicing in Baltimore, Maryland. 486 Medicare patients in 2024, $235,931 paid; nearly all of their 608 Part D prescriptions were generic (91%). Nxstage Medical, Inc. was the largest of 3 companies reporting payments in 2025, $99.59 in all, mostly food and beverage. Lists Medstar Franklin Square Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1710184957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2007 |
| Last updated in NPPES | Sep 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | D0065068 | MD |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 486 |
|---|---|
| Services billed | 1,967 across 20 procedure codes |
| Paid by Medicare | $235,931 |
Part D prescriptions in 2024
| Prescriptions (claims) | 608 · 1,394 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $73,429 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Maryland Kidney Group PABaltimore, MD · 7 clinicians
Hospital affiliations
- Medstar Franklin Square Medical CenterRosedale, MD
- Medstar Union Memorial HospitalBaltimore, MD
- University of MD St Joseph Medical CenterTowson, MD
Other facilities
- Fmc - Middle RiverDialysis facility · Essex, MD
- Fmc of Porter Dialysis - DundalkDialysis facility · Dundalk, MD
Industry payments (Open Payments)
- 2025$99.59 · 3 payments from 3 companies
- 2024$100.28 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nxstage Medical, Inc. | $62.50 | 1 |
| Calliditas Therapeutics US Inc. | $35.43 | 1 |
| Travere Therapeutics, Inc. | $1.66 | 1 |
What the 2025 payments were for
- Food and Beverage$97.93 · 2 payments
- Education$1.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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