# John Michael Allen, DO

Source: https://ourhealthnetwork.com/doctor/john-allen-do-1215514815
NPI: 1215514815
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John Michael Allen, DO is a internal medicine based in Mentor, OH practicing at Lake Hospital System, Inc. with NPI 1215514815.

## Profile

- Primary specialty: Internal Medicine
- Credential: DO
- Gender: Male
- Medical school: OHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
- Graduation year: 2021
- NPI: 1215514815 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1215514815))

## Practice and contact

- Practice name: Lake Hospital System, Inc.
- Address: 9500 Mentor Ave, Suite 100, Mentor, OH, 440608702
- Phone: 44035274880
- Group practice size: 99 members

## 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:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 6 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John Michael Allen, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1215514815).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 28 disclosed payments from medical industry sources totaling approximately $909.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($389 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 Internal Medicine doctors in MENTOR, OH](https://ourhealthnetwork.com/internal-medicine/oh/mentor)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1215514815)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)