ANSI X12 837P - 4010 2000A PRV - Billing Provider Specialty Information
September 08, 2025Learn how the PRV segment in the 2000A loop of the ANSI X12 837P (4010) defines Billing and Pay-To Provider specialty information using taxonomy codes. Includes code examples and payer usage notes.
HCFA-1500 Form Guide – One of the Most Comprehensive Box-by-Box References
September 02, 2025One of the most comprehensive HCFA-1500 guides online—covering all 33 boxes with X12 837P 5010 mappings, real examples, breakdowns, and links to each article.
HCFA-1500 Box 33b - Other ID
September 01, 2025Learn how to complete HCFA-1500 Box 33b for billing provider secondary identification. Includes valid qualifiers (0B, 1G), 837P REF segment mapping, and when to use legacy IDs.
HCFA-1500 Box 33a - NPI
September 01, 2025HCFA Box 33a on the CMS-1500 form captures the billing provider’s National Provider Identifier (NPI). Learn how this 10-digit number maps to the 2010AA NM109 element in the X12 837P claim transaction with a sample.
HCFA-1500 Box 33 - Billing Provider Info & Phone No
September 01, 2025HCFA Box 33 on the CMS-1500 form captures the billing provider’s name, address, and phone number. Learn how this data maps to the 2010AA loop in the X12 837P (NM1, N3, N4, PER04) with a clear example.