Margarita Yasmine Toufeili, MD
NPI 1235753864ActiveIndividual· Internal Medicine· Sioux Falls, SD
Internal Medicine (MD) with South Sound Inpatient Physicians PLLC, practicing in Sioux Falls, South Dakota. In 2024 Medicare paid $98,255 for 396 patients, and Part D covered 410 of their prescriptions, 89% of them generic. W. L. Gore & Associates, Inc. reported $42.44 in payments in 2024, mostly food and beverage. Lists St Michael Medical Center as a hospital affiliation.
Overview
| NPI | 1235753864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 29, 2020 |
| Last updated in NPPES | Oct 13, 2026 |
| Certified by provider | Oct 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 18828 | SD |
| Internal Medicine | 207R00000X | MD61357913 | WA |
| Internal Medicine | 207R00000X | 4351046792 | MI |
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 - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 396 |
|---|---|
| Services billed | 1,195 across 11 procedure codes |
| Paid by Medicare | $98,255 |
Part D prescriptions in 2024
| Prescriptions (claims) | 410 · 592 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $30,103 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- South Sound Inpatient Physicians PLLCArlington, WA · 422 clinicians
Hospital affiliation
- St Michael Medical CenterSilverdale, WA
Industry payments (Open Payments)
- 2024$42.44 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $42.44 | 1 |
What the 2024 payments were for
- Food and Beverage$42.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 124 internal medicine physicians in Sioux Falls · All internal medicine physicians in South Dakota