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Group Health Cooperative of South Central Wisconsin
Group Health Cooperative of South Central Wisconsin is a health insurer. They report 1.6K insurance plans covering 150K providers across 29K billing codes.
Source: public Transparency in Coverage filesRefreshed monthly, latest September 202616 monthly releases tracked
Monthly release
1.6K
Plans
XX% vs prior month
150K
Providers (NPIs)
XX% vs prior month
38K
Tax IDs
XX% vs prior month
29K
Billing codes
XX% vs prior month
2.9M
Rate rows
September 2026 release
What's in Group Health Cooperative of South Central Wisconsin's data
A profile of the machine-readable files Group Health Cooperative of South Central Wisconsin publishes, after PayerPrice parses and normalizes them.
Billing code types
Distinct codes and rate rows by code system
CodesRows
- CPT12K1.4M47%
- HCPCS7.5K830K28%
- LOCAL5.5K570K19%
- CDT85091K3.1%
- RC55058K2.0%
- MS-DRG82010K0.3%
- APR-DRG1.4K6.8K0.2%
Billing class
Professional vs. institutional rate rows
- Both2.9M97%
- Institutional76K2.6%
Negotiation arrangement
How each rate is expressed
- Percentage2.4M82%
- Negotiated490K17%
- Per Diem27K0.9%
- Derived5.4K0.2%
Plan identifiers
HIOS IDs mark individual and small-group plans; EINs mark employer plans
- HIOS ID1006.6%
- EIN1.5K93%
Providers by type
Distinct NPIs by entity type
- Individual (Type 1)140K94%
- Organization (Type 2)9K6.1%
Tax IDs by type
How provider groups are identified
- EIN38K100%
- NPI (Individual)1400.4%
- NPI (Organization)24<0.1%
Top states
States with the most providers in network
- Wisconsin35K
- Illinois11K
- Minnesota10K
- California7.2K
- Florida7.1K
- Texas6K
Top specialties
Provider taxonomies with the most NPIs
- Family Medicine Physician13K
- Diagnostic Radiology Physician12K
- Emergency Medicine Physician10K
- Internal Medicine Physician6.9K
- Physician Assistant6K
- Family Nurse Practitioner5.7K
These are the files. Want the rates inside them?
Look up Group Health Cooperative of South Central Wisconsin's negotiated rates by provider, TIN, billing code and plan.
Month-over-month history
Track how network size and rate volume change with each monthly release.
| Month | Plans | NPIs | Tax IDs | Billing codes | Rate rows |
|---|---|---|---|---|---|
| September 2026 | 1.6K | 150K | 38K | 29K | 2.9M |
| August 2026 | 410 | 150K | 38K | 29K | 3M |
| July 2026 | 3.7K | 0 | 0 | 0 | 0 |
| June 2026 | — | — | — | — | |
| May 2026 | — | — | — | — |
Data quality scorecard
3/6Acceptable
This payer scores 3/6 on data quality (Acceptable). 3 criteria did not meet the threshold.
Evaluated on the September 2026 release.
Professional & Institutional Rates
Data is missing professional and/or institutional billing class rates
Valid Tax IDs
More than 80% of Tax IDs are EIN or NPI (Organization) type
HIOS Plan
Data includes at least one HIOS-identified plan
Low Derived/Percentage Rates
10% or more of negotiation entries are derived or percentage type
Standard Code Coverage
Insufficient CPT / HCPCS code coverage, or too many LOCAL entries
Common Taxonomies
NPIs in the dataset cover at least 50 distinct provider taxonomies
How the score works
Each monthly release is checked against six criteria. 5–6 passing criteria rate Good, 3–4 rate Acceptable, and 0–2 rate Poor.
Behavioral, RX, and other specialty networks may not pass all criteria but can still contain complete and usable data.
Access the data
Group Health Cooperative of South Central Wisconsin's negotiated rates, in the tools your team already uses
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Frequently asked questions
About Group Health Cooperative of South Central Wisconsin's price transparency data.
What price transparency data does Group Health Cooperative of South Central Wisconsin publish?
Group Health Cooperative of South Central Wisconsin's September 2026 Transparency in Coverage files list 1.6K plans, 150K providers (NPIs), 38K tax IDs and 29K billing codes, for 2.9M negotiated rate rows in total.
Which states does Group Health Cooperative of South Central Wisconsin's network cover?
Group Health Cooperative of South Central Wisconsin's files include providers in 51 states. The states with the most in-network providers are Wisconsin, Illinois, Minnesota, California, Florida.
How often is Group Health Cooperative of South Central Wisconsin's data updated?
Payers must post updated machine-readable files every month. PayerPrice processes Group Health Cooperative of South Central Wisconsin's files monthly; the latest processed release is September 2026, and 16 monthly releases are available.
What is the Transparency in Coverage rule?
Since July 2022, the federal Transparency in Coverage rule has required most group health plans and health insurers to publish machine-readable files of their in-network negotiated rates and out-of-network allowed amounts, updated monthly. These files are the source for the data on this page.
How can I access Group Health Cooperative of South Central Wisconsin's negotiated rates?
Start a free PayerPrice trial to search Group Health Cooperative of South Central Wisconsin's rates in the web app, or book a demo to get the full dataset through the REST API, SQL in Snowflake or Databricks, or AI assistants through the PayerPrice MCP server.