# Dennis Grewal, DO

Source: https://ourhealthnetwork.com/doctor/dennis-grewal-do-1538556592
NPI: 1538556592
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Dennis Grewal, DO is a cardiovascular disease (cardiology) based in Santa Ana, CA practicing at Cardiology Specialists Of Orange County with NPI 1538556592 and offers telehealth visits.

## Profile

- Primary specialty: Cardiovascular Disease (cardiology)
- Credential: DO
- Gender: Male
- Graduation year: 2015
- Telehealth: Yes
- NPI: 1538556592 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1538556592))

## Practice and contact

- Practice name: Cardiology Specialists Of Orange County
- Address: 700 N Tustin Ave, Santa Ana, CA, 927053602
- Phone: (714) 245-1444
- Group practice size: 10 members

## 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:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 8 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Dennis Grewal, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1538556592).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 13 disclosed payments from medical industry sources totaling approximately $1,570.

Largest disclosed payer: ShockWave Medical, Inc ($933 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 SANTA ANA, CA](https://ourhealthnetwork.com/cardiovascular-disease-cardiology/ca/santa-ana)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1538556592)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)