Medicare Part C

Part C

member

Updated 5/16/2026

Definition

The Medicare Advantage program allowing beneficiaries to receive Medicare benefits through CMS-contracted private health plans. Enrollment data flows through CMS's MARx system into payer member management platforms. Encounter data submissions replace traditional FFS claims, and risk adjustment RAF scores are calculated from diagnosis data using the CMS-HCC model.

Standard Abbreviation

Part C

Database Usage

-- Example column naming
CREATE TABLE claims (
  clm_id VARCHAR(50),
  part c VARCHAR(100),  -- Medicare Part C (max 100 chars)
  ...
);

-- Example in SELECT
SELECT
  clm_id,
  part c as medicare_part_c
FROM claims;

Common uses in healthcare data

Member eligibility verification and enrollment tracking
Medicare Advantage and Medicaid managed care reporting
COBRA, CHIP, and dual-eligible member management
Enrollment reconciliation and CMS submissions
Member 360 data model and longitudinal analysis

Example database column name

ISO-11179 snake_case standard

-- Recommended column name
part_c

-- Example DDL
CREATE TABLE healthcare_data (
  record_id   VARCHAR(50)   NOT NULL,
  part_c       VARCHAR(100),  -- Medicare Part C (max 100 chars)
  created_dt  TIMESTAMP     NOT NULL DEFAULT NOW()
);

Column names follow the ISO-11179 naming convention: lowercase, underscore-separated, using the standard abbreviation as a prefix where applicable.

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