diff --git a/fieldExtraction/src/investment/tin_npi_funcs.py b/fieldExtraction/src/investment/tin_npi_funcs.py
index d8d9ecc..6d3c510 100644
--- a/fieldExtraction/src/investment/tin_npi_funcs.py
+++ b/fieldExtraction/src/investment/tin_npi_funcs.py
@@ -62,7 +62,7 @@ def clean_provider_info(provider_info: list[dict]) -> list[dict]:
     cleaned_providers = []
     for provider in provider_info:
         # Create a new provider dict to hold the cleaned data
-        cleaned_provider = {"ON_SIGNATURE_PAGE" : provider["ON_SIGNATURE_PAGE"], "ON_INTRO_PAGE" : provider["ON_INTRO_PAGE"]}
+        cleaned_provider = {"IS_GROUP" : provider["IS_GROUP"]}
 
         # Clean TIN - remove hyphens and dots, ensure it's 9 digits
         if "TIN" in provider and provider["TIN"]:
@@ -116,7 +116,7 @@ def merge_provider_info(one_to_one_results: dict, provider_info: list[dict]) ->
     other_names = []
 
     for provider in provider_info:
-        if provider.get("ON_SIGNATURE_PAGE", False) == "Y" or provider.get("ON_INTRO_PAGE", False) == "Y" :
+        if provider.get("IS_GROUP", False) == "Y":
             if provider.get("TIN"):
                 group_tins.add(provider["TIN"])
             if provider.get("NPI"):
@@ -332,7 +332,6 @@ def get_provider_info(text_dict: dict, page_num : str, filename: str) -> list:
     Raises:
         ValueError: If the response from the language model cannot be parsed as valid JSON.
     """
-
     chunk = text_dict[page_num]
     
     provider_fields = FieldSet(file_path=config.FIELD_JSON_PATH, field_type="provider_info")
@@ -342,7 +341,6 @@ def get_provider_info(text_dict: dict, page_num : str, filename: str) -> list:
     # Defensive programming for any json parsing errors
     try:
         providers = string_utils.universal_json_load(claude_answer_raw)
-
         # Ensure we have a list of providers (not a dict or other type)
         if isinstance(providers, dict):
             # Single provider returned as dict - wrap in list
@@ -350,18 +348,23 @@ def get_provider_info(text_dict: dict, page_num : str, filename: str) -> list:
         elif not isinstance(providers, list):
             # If not a list or dict, create a default list with error info
             print(f"Warning: Unexpected format in provider info response: {type(providers)}")
-            providers = [{"TIN": "UNKNOWN", "NPI": "UNKNOWN", "NAME": "PARSING_ERROR", "ON_SIGNATURE_PAGE": "N", "ON_INTRO_PAGE" : "N"}]
-        
-        # Set ON_INTRO_PAGE flag based on page number
-        for provider in providers:
-            provider["ON_INTRO_PAGE"] = "Y" if int(page_num) <= 2 else "N"
+            providers = [{"TIN": "UNKNOWN", "NPI": "UNKNOWN", "NAME": "PARSING_ERROR", "ON_SIGNATURE_PAGE": "N"}]
 
+        # Add IS_GROUP flag based on ON_SIGNATURE_PAGE  and page_num
+        for provider in providers:
+            if int(page_num) <= 2 or provider.get("ON_SIGNATURE_PAGE", "N") == "Y":
+                provider["IS_GROUP"] = "Y"
+            else:
+                provider["IS_GROUP"] = "N"
+            if "ON_SIGNATURE_PAGE" in provider:
+                del provider["ON_SIGNATURE_PAGE"]
+        
         return providers
     except ValueError as e: # Handle JSON parsing error
         print(f"Error parsing JSON response from LLM: {str(e)}")
         print(f"Raw response: {claude_answer_raw}")
         # Return a default value
-        return [{"TIN": "UNKNOWN", "NPI": "UNKNOWN", "NAME": "PARSING_ERROR", "ON_SIGNATURE_PAGE": "N", "ON_INTRO_PAGE" : "N"}]
+        return [{"TIN": "UNKNOWN", "NPI": "UNKNOWN", "NAME": "PARSING_ERROR", "IS_GROUP": "N"}]
 
 
 def run_provider_info_fields(contract_text: str,
@@ -388,7 +391,7 @@ def run_provider_info_fields(contract_text: str,
 
     # If there are no identifiers, return early with default values
     if not all_tins and not all_npis:
-        deduplicated_provider_info = [{"TIN": "UNKNOWN", "NPI": "UNKNOWN", "NAME": "NO_IDENTIFIERS_FOUND", "ON_SIGNATURE_PAGE": "N", "ON_INTRO_PAGE" : "N"}]
+        deduplicated_provider_info = [{"TIN": "UNKNOWN", "NPI": "UNKNOWN", "NAME": "NO_IDENTIFIERS_FOUND", "IS_GROUP" : "N"}]
     else:
         # Find pages with TINs or NPIs
         relevant_pages = [page_num for page_num, page_text in text_dict.items() if any(tin in page_text for tin in all_tins) or any(npi in page_text for npi in all_npis)]
diff --git a/fieldExtraction/tests/test_tin_npi_funcs.py b/fieldExtraction/tests/test_tin_npi_funcs.py
index 077a478..ee78715 100644
--- a/fieldExtraction/tests/test_tin_npi_funcs.py
+++ b/fieldExtraction/tests/test_tin_npi_funcs.py
@@ -45,15 +45,13 @@ class TestTinNpiFuncs:
                 "TIN": "12-345.6789",
                 "NPI": "12.34567890",
                 "NAME": "Test  Provider",
-                "ON_SIGNATURE_PAGE": "Y",
-                "ON_INTRO_PAGE": "N"
+                "IS_GROUP": "Y"
             },
             {
                 "TIN": "",
                 "NPI": "invalid",
                 "NAME": "",
-                "ON_SIGNATURE_PAGE": "N",
-                "ON_INTRO_PAGE": "Y"
+                "IS_GROUP": "N",
             }
         ]
         result = tin_npi_funcs.clean_provider_info(providers)
@@ -73,13 +71,13 @@ class TestTinNpiFuncs:
                 "TIN": "123456789",
                 "NPI": "1234567890",
                 "NAME": "Group Provider",
-                "ON_SIGNATURE_PAGE": "Y"
+                "IS_GROUP": "Y"
             },
             {
                 "TIN": "987654321",
                 "NPI": "9876543210",
                 "NAME": "Other Provider",
-                "ON_SIGNATURE_PAGE": "N"
+                "IS_GROUP": "N"
             }
         ]
         
@@ -125,7 +123,7 @@ class TestTinNpiFuncs:
         
         result = tin_npi_funcs.get_provider_info(sample_text_dict, "1", "test.pdf")
         assert len(result) == 1
-        assert result[0]["ON_INTRO_PAGE"] == "Y"  # Page 1 should be marked as intro
+        assert result[0]["IS_GROUP"] == "Y"  # Page 1 should be marked as intro
 
     @patch('src.utils.llm_utils.invoke_claude')
     def test_run_provider_info_fields(self, mock_invoke_claude, sample_text_dict):