Corona Regional Medical Center

Cardiology • Corona, CA

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About

Corona Regional Medical Center's Cardiology Department in Corona, CA offers percutaneous coronary intervention (PCI), balloon angioplasty, stent placement, diagnostic cardiac catheterization, electrophysiology studies, pacemaker implantation, implantable loop recorders, implantable cardioverter defibrillators, and ablation with 3D mapping. The facility is approved and licensed as a PCI facility by the California Department of Health.

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Clinic Type

Cardiology

Address

800 South Main Street, Corona, CA 92882

Phone

(951) 737-4343

Email

—

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://swhcoronaregional.com/services/cardiology/

Emergency Care

Yes

Services Offered

Cardiology
Percutaneous coronary intervention (PCI)
balloon angioplasty
stent placement
catheterization laboratory
electrophysiology (EP) studies
pacemakers
implantable loop recorders
implantable cardioverter defibrillators
ablation
3D mapping

Technology & Equipment

PCI
catheterization lab
3D mapping
electrophysiology equipment

Team

William Suh, MD, board-certified interventional cardiologist — Medical Director of the Cardiology Department

Insurance & Payment

Accepted Health Plans
Health Insurance Marketplace

Online Bill Pay, Pay Your Bill, Your Hospital Bill, Billing and Insurance

Languages Spoken

English
Español

FAQs

What procedures are performed in the Cardiology Department?

Diagnostic cardiac catheterization, PCI, balloon angioplasty, stent placement, EP studies, pacemakers, loop recorders, ICDs, and ablation.

What cardiovascular services does Corona Regional Cardiology provide?

The Cardiology Department offers cardiovascular services and is approved/licensed as a PCI facility.

Who is the Medical Director of Cardiology at CRMC?

Dr. Suh is the Medical Director of the Cardiology Department at CRMC.

How can I find a doctor or request a referral?

Call the FREE Direct Doctors Plus physician referral service at 800-882-4362 or request a referral online.

Awards & Accreditations

Awards and Accreditations

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: mixed

Healthgrades (Dr. Roberto Moscoso): 4.9 out of 5 stars (44 reviews) (44)
Healthgrades (Dr. Isaac Tsai): 3.8 out of 5 stars (4 reviews) (4)
Facebook (Inland Heart Doctors): 86% recommend (22 reviews)

Patients praise

High satisfaction with individual physicians' diagnostic skills and clinical care
Instances of staff going above and beyond to accommodate urgent requests
Clean and well-maintained facilities in certain practices
Timely communication of test results in specific cases

Common complaints

Administrative issues, such as poor communication and scheduling difficulties
Staff unprofessionalism or perceived incompetence
Long wait times for appointments and during visits
Frustration regarding billing, insurance, or out-of-pocket payment policies
Concerns regarding the physical environment and maintenance of some office facilities

"A absolutely fantastic cardiologist... in my opinion the best!"

— Healthgrades Patient Review

"Dr. Tsai is a good Dr. but the staff is a mess. They call to confirm your appointment much to early and confuse my elderly mother and my self."

— Healthgrades Patient Review

"Dr. Is good but the office/phone system is horrible... The waiting room has old, scuffed and ripped furniture repaired with duct tape."

— Yelp Patient Review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].