# John R Tretter, MD

Source: https://ourhealthnetwork.com/doctor/john-tretter-md-1346234564
NPI: 1346234564
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John R Tretter, MD is a cardiovascular disease (cardiology) based in Phoenix, AZ practicing at Stone Med Llc with NPI 1346234564 and offers telehealth visits.

## Profile

- Primary specialty: Cardiovascular Disease (cardiology)
- Secondary specialties: INTERNAL MEDICINE
- Credential: MD
- Gender: Male
- Graduation year: 1985
- Telehealth: Yes
- NPI: 1346234564 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1346234564))

## Practice and contact

- Practice name: Stone Med Llc
- Address: 1327 E Chandler Blvd, Suite 106, Phoenix, AZ, 850486272
- Phone: (480) 501-9475
- Group practice size: 2 members

## Insurance accepted (9 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) — 18 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 12 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 8 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [BCBS Arizona](https://ourhealthnetwork.com/insurance/bcbs-arizona) — 2 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John R Tretter, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1346234564).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 41 disclosed payments from medical industry sources totaling approximately $804.

Largest disclosed payer: Novartis Pharmaceuticals Corporation ($241 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 Cardiovascular Disease (cardiology) doctors in PHOENIX, AZ](https://ourhealthnetwork.com/cardiovascular-disease-cardiology/az/phoenix)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1346234564)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)