# Mark Y Johnson

Source: https://ourhealthnetwork.com/doctor/mark-johnson-1861421372
NPI: 1861421372
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mark Y Johnson is a gastroenterology based in Chula Vista, CA with NPI 1861421372.

## Profile

- Primary specialty: Gastroenterology
- Secondary specialties: INTERNAL MEDICINE
- Gender: Male
- Medical school: GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
- Graduation year: 1973
- NPI: 1861421372 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1861421372))

## Practice and contact

- Address: 480 4th Ave, Suite 506, Chula Vista, CA, 919104414
- Phone: (619) 585-0313

## Insurance accepted (6 networks)

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

- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 12 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mark Y Johnson, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1861421372).

## Related on OurHealthNetwork

- [More Gastroenterology doctors in CHULA VISTA, CA](https://ourhealthnetwork.com/gastroenterology/ca/chula-vista)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1861421372)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)