Apostolos Tsimploulis
Internal Medicine, Clinical Cardiac Electrophysiology with Medstar Medical Group II LLC and 1 other group, practicing in Washington, District of Columbia. In 2024 Medicare paid $203,498 for 861 patients, and Part D covered 64 of their prescriptions, 47% of them generic. Abbott Laboratories was the largest of 9 companies reporting payments in 2025, $3,983 in all, mostly food and beverage. Lists Frederick Health Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1043624570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2014 |
| Last updated in NPPES | Jul 6, 2023 |
| Certified by provider | Jul 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | MD20000018 | DC |
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 - Cardiac Electrophysiology (DC); Practitioner - Cardiac Electrophysiology (MD); Practitioner - Cardiac Electrophysiology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 861 |
|---|---|
| Services billed | 1,877 across 72 procedure codes |
| Paid by Medicare | $203,498 |
Part D prescriptions in 2024
| Prescriptions (claims) | 64 · 101 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $27,802 |
| Generic share | 47% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
| Telehealth | Offers telehealth |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Medstar Heart Institute LLCBaltimore, MD · 301 clinicians
Hospital affiliations
- Frederick Health HospitalFrederick, MD
- Medstar Georgetown University HospitalWashington, DC
- Medstar Saint Mary's HospitalLeonardtown, MD
- Medstar Southern Maryland Hospital CenterClinton, MD
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$3,983 · 45 payments from 9 companies
- 2024$4,738 · 74 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,334 | 13 |
| Medtronic, Inc. | $1,098 | 13 |
| Boston Scientific Corporation | $952.57 | 8 |
| Biosense Webster, Inc. | $302.88 | 4 |
| Atricure, Inc. | $144.69 | 1 |
What the 2025 payments were for
- Food and Beverage$2,823 · 38 payments
- Travel and Lodging$1,160 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 Internal Medicine, Clinical Cardiac Electrophysiology providers in Washington · All Internal Medicine, Clinical Cardiac Electrophysiology providers in District of Columbia