Heat the olive oil in a large skillet over medium heat. Brown the chorizo until some fat renders.
Stir in the onion and bell pepper. Cook until softened and lightly golden, about 5 minutes.
Add the garlic, smoked paprika, cumin, and red pepper flakes. Cook 30 seconds to bloom the spices.
Pour in the white wine and simmer 1 to 2 minutes, scraping up any browned bits.
Stir in the tomatoes, broth, and chickpeas. Bring to a gentle simmer and cook 5 minutes to thicken.
Season the sauce with salt and black pepper. Nestle in the cod pieces in a single layer.
Cover and simmer gently until the cod is opaque and flakes easily, 6 to 8 minutes.
Finish with lemon juice and parsley. Taste and adjust seasoning, then serve hot.