feat(sp32): extract 835 NM1*1P (service provider NPI) per ClaimPayment

backend/src/cyclone/parsers/models_835.py

@@ -160,6 +160,7 @@ class ClaimPayment(_Base):
     ref_benefit_plan: str | None = None  # REF*CE per the CO guide
     service_payments: list[ServicePayment] = Field(default_factory=list)
     raw_segments: list[list[str]] = Field(default_factory=list)
+    service_provider_npi: str | None = None  # NM1*1P NM109 (Loop 2100 service provider)
 
     @model_validator(mode="before")
     @classmethod

backend/src/cyclone/parsers/parse_835.py

@@ -376,6 +376,7 @@ def _consume_claim_payment(segments: list[list[str]], idx: int) -> tuple[ClaimPa
 
     service_payments: list[ServicePayment] = []
     ref_benefit_plan: str | None = None
+    service_provider_npi: str | None = None
     per_diem: Decimal | None = None
     status_label = claim_status_label(status)
 
@@ -422,9 +423,16 @@ def _consume_claim_payment(segments: list[list[str]], idx: int) -> tuple[ClaimPa
             except ValueError:
                 per_diem = None
         elif s[0] == "NM1":
-            # Patient (QC) / service-provider (1P) — captured in raw_segments.
-            # The 835 spec doesn't require a structured patient model in v1.
-            pass
+            # SP32: capture service-provider NPI from NM1*1P (Loop 2100).
+            # NM108 (idx 8) carries the ID qualifier (typically "XX");
+            # NM109 (idx 9) is the value. Some senders omit NM108; accept
+            # both forms but require a 10-digit ID.
+            if len(s) > 9 and s[1] == "1P":
+                if len(s) > 8 and s[8] == "XX" and s[9]:
+                    if s[9].isdigit() and len(s[9]) == 10:
+                        service_provider_npi = s[9]
+                elif s[9] and s[9].isdigit() and len(s[9]) == 10:
+                    service_provider_npi = s[9]
         elif s[0] == "DTM":
             # Claim-level dates — captured in raw_segments.
             pass
@@ -446,6 +454,7 @@ def _consume_claim_payment(segments: list[list[str]], idx: int) -> tuple[ClaimPa
             ref_benefit_plan=ref_benefit_plan,
             service_payments=service_payments,
             raw_segments=raw,
+            service_provider_npi=service_provider_npi,
         ),
         idx,
     )