# John L Gruen, MD

Source: https://ourhealthnetwork.com/doctor/john-gruen-md-1619036365
NPI: 1619036365
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John L Gruen, MD is a internal medicine based in Pasadena, CA with NPI 1619036365.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Male
- Graduation year: 1983
- NPI: 1619036365 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1619036365))

## Practice and contact

- Address: 393 E Walnut St, Pasadena, CA, 911880001

## Insurance accepted (1 networks)

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

- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John L Gruen, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1619036365).

## Related on OurHealthNetwork

- [More Internal Medicine doctors in PASADENA, CA](https://ourhealthnetwork.com/internal-medicine/ca/pasadena)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1619036365)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)