S.I.N. IMPLANT SYSTEM LTDA.
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Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
Centers for Medicare & Medicaid Services, Open Payments
These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.
Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.
CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state.
Payment records · PY2021
Date, newest first, then reporting company; values as published by CMS.
General Payments · PY2021 · All recipient types · CMS publication 2026-06-30
8 matching records · $4,011.63 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.
Showing records 1–8 of 8.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| CHRISTOPHER W BARRETT Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $530.00 | 10/21/2021 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169108 | CMS |
| CHRISTOPHER W BARRETT Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $98.00 | 10/21/2021 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169109 | CMS |
| GUSTAVO MENDONCA Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $98.00 | 10/21/2021 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169110 | CMS |
| GUSTAVO MENDONCA Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $2,029.63 | 10/21/2021 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169111 | CMS |
| RAJAN SHETH Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $98.00 | 10/21/2021 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169112 | CMS |
| RAJAN SHETH Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $530.00 | 10/21/2021 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169113 | CMS |
| CHRIS WELCH WINTERHOLLER Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $98.00 | 10/21/2021 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169114 | CMS |
| CHRIS WELCH WINTERHOLLER Physician / non-physician practitioner | S.I.N. IMPLANT SYSTEM LTDA. | $530.00 | 10/21/2021 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1061169115 | CMS |
Practitioner overview · all loaded program years
59 providers listed 91 records General Payments
General Payments to practitioners — all loaded program years
- Category: General Payments
- Program years: 2021, 2023, 2025
- Record count: 91
- Providers listed: 59
Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.
Coverage: program years 2019–2025, General Payments only, reported to physicians and non-physician practitioners. Payments to teaching hospitals are not included in these practitioner figures. Each figure is labeled with its category and program year; categories are never combined.
Practitioner payments by program year
| Program year | Reported | Records | Providers | Detail |
|---|---|---|---|---|
| PY2021 | $4,011.63 | 8 | 4 | This company in PY2021 → |
| PY2023 | $25,163.07 | 78 | 55 | This company in PY2023 → |
| PY2025 | $1,413.00 | 5 | 4 | This company in PY2025 → |
By recipient specialty (6)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 1 specialty 1 providers
Dental Providers 5 specialties 57 providers
Providers listed (59)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| ACHAL ABHAY SHAH | Dental Providers|Dentist | FL | 1 |
| ADAM KWIATKOWSKI | Dental Providers|Dentist|General Practice | CO | 1 |
| ALEXANDRA ALICIA DAVILA | Dental Providers|Dentist|Prosthodontics | FL | 2 |
| ANHMINH TRANDAI | Dental Providers|Dentist|General Practice | IL | 1 |
| ANNA SHAGHARYAN | Dental Providers|Dentist|General Practice | NV | 1 |
| ARNOLD M MA | Dental Providers|Dentist | NC | 1 |
| ARSHID TORKAMAN | Dental Providers|Dentist|General Practice | CA | 1 |
| BADER SALEH | Dental Providers|Dentist|General Practice | FL | 1 |
| CARLOS DA SILVA | Dental Providers|Dentist | FL | 1 |
| CHAD GARRETT SLOCUM | Dental Providers|Dentist | WA | 1 |
| CHRIS WELCH WINTERHOLLER | Dental Providers|Dentist|General Practice | AZ | 5 |
| CHRISTIAN DAVILA | Dental Providers|Dentist|Oral and Maxillofacial Surgery | FL | 2 |
| CHRISTOPHER M SILVOY | Dental Providers|Dentist|Oral and Maxillofacial Surgery | NC | 1 |
| CHRISTOPHER ROCLEVITCH | Dental Providers|Dentist|Oral and Maxillofacial Surgery | TX | 1 |
| CHRISTOPHER W BARRETT | Dental Providers|Dentist | AZ | 6 |
| DAVID W EPSTEIN | Dental Providers|Dentist|General Practice | CA | 1 |
| DAWUD ABDUL MUHAIMIN | Dental Providers|Dentist | CA | 1 |
| DEBORHA LYNN STATEN | Dental Providers|Dentist|General Practice | NV | 1 |
| ERIKSON KARACHEBAN | Dental Providers|Dentist|General Practice | FL | 1 |
| FRANCESCO ROBERTO SEBASTIANI | Dental Providers|Dentist|Oral and Maxillofacial Surgery | FL | 3 |
| GENE ALLEN | Dental Providers|Dentist|General Practice | AZ | 1 |
| GERMAIN JEAN-CHARLES | Dental Providers|Dentist | NY | 3 |
| GUSTAVO MENDONCA | Dental Providers|Dentist | MI | 2 |
| GUSTAVO MS OLIVEIRA | Dental Providers|Dentist | NC | 4 |
| HANI S TADROS | Dental Providers|Dentist|Prosthodontics | FL | 1 |
| HUSSEIN SALIFU | Dental Providers|Dentist | FL | 1 |
| IRAJ H KASIMI | Dental Providers|Dentist | NV | 1 |
| JAMES GALE VELLIS | Dental Providers|Dentist | KY | 1 |
| JAMES PATRICK MUIR | Dental Providers|Dentist | IL | 1 |
| JOHN CHRISTIAN DOWNEY | Dental Providers|Dentist|General Practice | TN | 1 |
| JOHN HIGHSMITH | Dental Providers|Dentist|General Practice | NC | 1 |
| JON E HALL | Dental Providers|Dentist|General Practice | AZ | 1 |
| JUAN FERNANDO GONZALEZ | Dental Providers|Dentist|Oral and Maxillofacial Surgery | TX | 2 |
| JUNYING LI | Dental Providers|Dentist | MI | 1 |
| KARINA MA | Dental Providers|Dentist | NV | 1 |
| LAURA L TALLMON | Dental Providers|Dentist|General Practice | TX | 1 |
| MATTHEW EDWARD FORD | Dental Providers|Dentist | AZ | 1 |
| MAX D SMITH | Dental Providers|Dentist|Oral and Maxillofacial Surgery | KS | 1 |
| MICHAEL A PIKOS | Dental Providers|Dentist|Oral and Maxillofacial Surgery | FL | 1 |
| MICHAEL C FREEMAN | Dental Providers|Dentist|General Practice | TX | 1 |
| MICHAEL EMMANOUL GAGAOUDAKIS | Dental Providers|Dentist|General Practice | FL | 1 |
| MUJTABA ALAMIRI | Dental Providers|Dentist | TN | 3 |
| RAFAEL LOSS | Dental Providers|Dentist | FL | 1 |
| RAJAN SHETH | — | OH | 7 |
| RICHARD NEJAT | Dental Providers|Dentist|Periodontics | NJ | 3 |
| ROBERT MAGANINI | Allopathic & Osteopathic Physicians|Surgery | IL | 1 |
| ROBERT SCHROERING | Dental Providers|Dentist|General Practice | KY | 1 |
| RODRIGO DEMARCO | Dental Providers|Dentist|General Practice | FL | 1 |
| RYAN ANDREW DUNLOP | Dental Providers|Dentist|General Practice | CA | 3 |
| SAM CHO | Dental Providers|Dentist|General Practice | CA | 1 |