using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

                ""00080060"": {

                    ""Value"": [

                        ""US""

                    ],

                    ""vr"": ""CS""

                },

                ""00080070"": {

                    ""Value"": [

                        ""ACME Products""

                    ],

                    ""vr"": ""LO""

                },

                ""00080090"": {

                    ""Value"": [

                        {

                            ""AlphabeticName"": ""Better^Make^U.^MD""

                        }

                    ],

                    ""vr"": ""PN""

                },

                ""00081110"": {

                    ""Value"": [

                        {

                            ""00080008"": {

                                ""Value"": [

                                    ""XX_0"",

                                    ""OIU"",

                                    null,

                                    ""PPP""

                                ],

                                ""vr"": ""CS""

                            }

                        },

                        {},

                        {

                            ""00080008"": {

                                ""Value"": [

                                    ""XX_2"",

                                    ""OIU"",

                                    null,

                                    ""PPP""

                                ],

                                ""vr"": ""CS""

                            }

                        }

                    ],

                    ""vr"": ""SQ""

                }

            }";

        var dict = JsonConvert.DeserializeObject<Dictionary<string, Node>>(json, new NodeConverter());

        Dump(dict, "");

    }

    private static void Dump(Dictionary<string, Node> dict, string indent)

    {

        foreach (var kvp in dict)

        {

            Node node = kvp.Value;

            Console.WriteLine(indent + kvp.Key + " (" + node.vr + "):");

            if (node.vr == "SQ")

            {

                foreach (Dictionary<string, Node> d in node.Value)

                {

                    Dump(d, indent + "  ");

                }

            }

            else if (node.vr == "PN")

            {

                foreach (PnItem item in node.Value)

                {

                    Console.WriteLine(indent +  "  " + item.AlphabeticName);

                }

            }

            else if (node.vr != null)

            {

                foreach (object obj in node.Value)

                {

                    Console.WriteLine(indent + "  " + (obj != null ? obj.ToString() : "(null)"));

                }

            }

        }

    }

}

​

class Node

{

    public IList Value { get; set; }

    public string vr { get; set; }

}

class PnItem

{

    public string AlphabeticName { get; set; }

}

​

class NodeConverter : JsonConverter

{

    public override bool CanConvert(Type objectType)

    {

        return (objectType == typeof(Node));

    }

    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

    {

        JObject jo = JObject.Load(reader);

        Node node = new Node();

        node.vr = (string)jo["vr"];

        if (node.vr == "PN")

        {

            node.Value = jo["Value"].ToObject<List<PnItem>>(serializer);

        }

        else if (node.vr == "SQ")

        {

            node.Value = jo["Value"].ToObject<List<Dictionary<string, Node>>>(serializer);

        }

        else

        {

            node.Value = jo["Value"].ToObject<List<string>>(serializer);

        }

        return node;

    }

    public override bool CanWrite

    {

        get { return false; }

    }

    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

    {

        throw new NotImplementedException();

    }

}

​