---
title: "MATTER GROUP ASSISTENCIA MEDICA LTDA — Ownership Dossier"
canonical: https://whiteintel.dev/entity/989f4def-6f04-5142-aeb6-2ab08256e06a
json: https://whiteintel.dev/api/public/dossier/989f4def-6f04-5142-aeb6-2ab08256e06a
identifier: br-cnpj:19939901
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# MATTER GROUP ASSISTENCIA MEDICA LTDA

**Type:** Company  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Identifier:** `br-cnpj:19939901`  
**Canonical dossier:** https://whiteintel.dev/entity/989f4def-6f04-5142-aeb6-2ab08256e06a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/989f4def-6f04-5142-aeb6-2ab08256e06a  

## Registry profile

- **Legal form:** `2062`  
- **Source:** RFB-CNPJ  

## Ownership & control

### Owners / controllers

- **MARCOS AUGUSTO CHACON SILVA JUNIOR** (owner) — https://whiteintel.dev/entity/ae7f1447-1a14-51eb-bf36-091838781757
- **LARA PIN VENTURINI** (owner) — https://whiteintel.dev/entity/89107749-8485-5afa-b224-9a0087639300
- **NATHALIA MARTINEZ** (owner) — https://whiteintel.dev/entity/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd
- **MATTERCLIN CLINICA MEDICA LTDA** (owner) — https://whiteintel.dev/entity/f0a9f6f5-1e69-5a82-abd2-1241a017e079
- **MARINA ALVES FREITAS** (owner) — https://whiteintel.dev/entity/4e725d5d-7c75-5afb-b856-ad81e16a5f74
- **CLARA MARINHO BORBA** (owner) — https://whiteintel.dev/entity/27ffcfb8-8cd2-59f6-8e07-090145602607
- **CAROLINA MATIAS BAUER** (owner) — https://whiteintel.dev/entity/e8956b46-1f6e-5f54-a359-6573efbd42b7
- **AMANDA TORRES SILVA** (owner) — https://whiteintel.dev/entity/5dcc0ed3-e1c0-5ca9-a6bf-26829fb68c17
- **VINICIUS GOMES SOUZA** (owner) — https://whiteintel.dev/entity/95b1c03a-ace8-5a50-92d3-cbfe91c33757
- **PEDRO HOFFMANN GALLI** (owner) — https://whiteintel.dev/entity/41f52a13-133a-5b6a-8ad9-32de274835b9
- **RAFAEL POUBEL BOLELLI DE REZENDE** (owner) — https://whiteintel.dev/entity/f51db382-f4fb-5423-a365-fa28d7fdd4b4
- **PRISCILLA FRAUCHES MADUREIRA DE FARIA** (owner) — https://whiteintel.dev/entity/8ff6f85e-8371-591c-a008-5375d0319933
- **ELIS NUNES ASSMAR** (owner) — https://whiteintel.dev/entity/31285baf-4f60-561b-91bd-736659746967
- **GUSTAVO LEME FERNANDES** (owner) — https://whiteintel.dev/entity/6397f820-d72d-5a6e-a415-f7603b92e6e0
- **ELEN CRISTINA XAVIER JULIO** (owner) — https://whiteintel.dev/entity/f5ba003c-5cb6-5e2d-89de-e521db6e1630
- **FERNANDA MARINO LAFRAIA** (owner) — https://whiteintel.dev/entity/e9d2e9ff-6f54-5e28-9175-495b2c794cb3
- **AUGUSTO HENRIQUE HONORIO DE MENDONCA** (owner) — https://whiteintel.dev/entity/317d8f63-f653-5846-a068-1dd185b2d5fb
- **ALVARO RAMALHO DE CASTRO** (owner) — https://whiteintel.dev/entity/e51aa404-8c6a-53ea-a630-fea42524e06b
- **SARA DE AZEVEDO FAGUNDES** (owner) — https://whiteintel.dev/entity/de65e133-72bc-5f25-9090-232d44f5f5cd
- **OCTAVIO PELLA LEGRAMANDI** (owner) — https://whiteintel.dev/entity/91504169-cf51-5dbd-ba6a-6989b17ed408
- **LETICIA VIVIAN DE SOUZA FRANCO** (owner) — https://whiteintel.dev/entity/0907a3af-b359-55a4-a18e-d0e0b683cfd2
- **VITORIA BUASSALLI FEDERICO** (owner) — https://whiteintel.dev/entity/d7a98afc-3ed7-5aff-9e11-18d4dec2cbd5
- **NAYANE MOURA MAIA** (owner) — https://whiteintel.dev/entity/9d840b48-9274-55c8-86e8-504ae44ad536
- **LETICIA SILVEIRA VILAS BOAS** (owner) — https://whiteintel.dev/entity/ea865333-491a-5c3d-8313-9fb17e682709
- **TATJANA KLUTH** (owner) — https://whiteintel.dev/entity/08653f92-c4ee-5f31-8eba-08d5585e0483
- **DIEGO GOMES FERREIRA** (owner) — https://whiteintel.dev/entity/f3038c95-76b5-540e-bb7c-da1e3bf9bfce
- **UERGTON LIMA DA SILVA** (owner) — https://whiteintel.dev/entity/376f6831-4848-57f2-91e7-e878f053aec8
- **BIA MORUZ BICHARA** (owner) — https://whiteintel.dev/entity/3f6553aa-a5f8-5c4f-a5b7-fcf4ca27f338
- **LORENA CERUTTI GIRARDI** (owner) — https://whiteintel.dev/entity/b84f2546-c389-5c22-995d-c1ecece89d3b
- **MILLA DE SA FORTES** (owner) — https://whiteintel.dev/entity/5ef16f2d-2619-5365-86e3-718dd12e32a5
- **GABRIELA MOREIRA DO NASCIMENTO** (owner) — https://whiteintel.dev/entity/81eeee1e-2f63-5628-b400-205a5d04d78e

### UBO chain (walk to the ultimate owner)

A **31-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/19939901

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MATTER GROUP ASSISTENCIA MEDICA LTDA** — https://whiteintel.dev/entity/989f4def-6f04-5142-aeb6-2ab08256e06a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MATTER GROUP ASSISTENCIA MEDICA LTDA**. Human view: https://whiteintel.dev/entity/989f4def-6f04-5142-aeb6-2ab08256e06a · Structured JSON: https://whiteintel.dev/api/public/dossier/989f4def-6f04-5142-aeb6-2ab08256e06a._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._