# John A Vainder

Source: https://ourhealthnetwork.com/doctor/john-vainder-1508858226
NPI: 1508858226
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John A Vainder is a gastroenterology based in Evanston, IL practicing at Illinois Gastroenterology Group Llc with NPI 1508858226.

## Profile

- Primary specialty: Gastroenterology
- Secondary specialties: INTERNAL MEDICINE
- Gender: Male
- Medical school: CHICAGO COLLEGE OF MEDICINE AND SURGERY
- Graduation year: 1977
- NPI: 1508858226 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1508858226))

## Practice and contact

- Practice name: Illinois Gastroenterology Group Llc
- Address: 800 Austin St, Suite 403, Evanston, IL, 602023444
- Phone: (847) 491-9020
- Group practice size: 119 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 85.09/100
- Quality category score: 73.16/100
- Promoting Interoperability score: 99.00/100
- Improvement Activities score: 40.00/100
- Cost category score: 77.9822/100

Source: CMS Quality Payment Program. MIPS scores reflect Medicare provider performance on quality, cost, and care improvement measures.

## Insurance accepted (3 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [HCSC: BCBS Illinois](https://ourhealthnetwork.com/insurance/hcsc-bcbs-illinois) — 119 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John A Vainder, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1508858226).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 16 disclosed payments from medical industry sources totaling approximately $293.

Largest disclosed payer: Janssen Biotech, Inc. ($63 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Gastroenterology doctors in EVANSTON, IL](https://ourhealthnetwork.com/gastroenterology/il/evanston)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1508858226)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)