---
title: "HAYANNA MAYRA DIANIN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2b660c4c-e043-5651-9536-641f7b05b387
json: https://whiteintel.dev/api/public/dossier/2b660c4c-e043-5651-9536-641f7b05b387
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# HAYANNA MAYRA DIANIN

**Type:** Person  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Canonical dossier:** https://whiteintel.dev/entity/2b660c4c-e043-5651-9536-641f7b05b387  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2b660c4c-e043-5651-9536-641f7b05b387  

## Ownership & control

### Holdings / subsidiaries

- **HAYANNA MAYRA DIANIN - HMD SAUDE LTDA.** (owner) — https://whiteintel.dev/entity/58a99244-70ce-5bbb-b214-a785712a020e
- **EMERGERE SERVICOS MEDICOS LTDA** (owner) — https://whiteintel.dev/entity/484110f7-4f1d-5311-bf81-a12f05b0e5a3
- **ATMED SERVICOS DE APOIO A SAUDE LTDA** (owner) — https://whiteintel.dev/entity/da0ffc43-d3d1-51a5-8781-2dd60bc60e7a
- **ALTO GESTAO MEDICA SPE LTDA** (owner) — https://whiteintel.dev/entity/dfa99101-fb58-54d6-b32f-c475aa72de83
- **GAIA SERVICOS DE APOIO A SAUDE LTDA** (owner) — https://whiteintel.dev/entity/bdcea736-7b7b-5add-b864-b8a9cb8bf69a

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/12334997

## 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 **HAYANNA MAYRA DIANIN** — https://whiteintel.dev/entity/2b660c4c-e043-5651-9536-641f7b05b387 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HAYANNA MAYRA DIANIN**. Human view: https://whiteintel.dev/entity/2b660c4c-e043-5651-9536-641f7b05b387 · Structured JSON: https://whiteintel.dev/api/public/dossier/2b660c4c-e043-5651-9536-641f7b05b387._

_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"._