# John R Douglas Peterson, MD

Source: https://ourhealthnetwork.com/doctor/johnr-peterson-md-1164639274
NPI: 1164639274
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John R Douglas Peterson, MD is a gastroenterology based in Washington, MO practicing at Mercy Clinic Gastroenterology Llc with NPI 1164639274.

## Profile

- Primary specialty: Gastroenterology
- Credential: MD
- Gender: Male
- Medical school: TULANE UNIVERSITY SCHOOL OF MEDICINE
- Graduation year: 2006
- NPI: 1164639274 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1164639274))

## Practice and contact

- Practice name: Mercy Clinic Gastroenterology Llc
- Address: 901 Patients 1st Dr, Suite 3300, Washington, MO, 630904700
- Phone: (636) 239-7344
- Group practice size: 64 members

## Insurance accepted (7 networks)

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

- [Humana](https://ourhealthnetwork.com/insurance/humana) — 12 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 10 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 10 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 1 plan

To verify a specific plan covers John R Douglas Peterson, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1164639274).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 1 disclosed payment from medical industry sources totaling approximately $14.

Largest disclosed payer: Sumitomo Pharma America, Inc. ($14 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 WASHINGTON, MO](https://ourhealthnetwork.com/gastroenterology/mo/washington)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1164639274)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)