
St. Joseph Heritage Orange - Cardiology
Cardiology • Orange, CA
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 10, 2026. How our information is sourced · Report incorrect information
About
St. Joseph Heritage Medical Group (Orange area) is a private hospital and health care provider based in Garden Grove, CA, with about 6 employees and annual revenue around $34.7M. It operates two offices in Garden Grove, offering comprehensive primary care services and a range of physicians focused on disease prevention and patient engagement. Primary locations: 12665 Garden Grove Blvd, Garden Grove, CA 92843 and 12942 Harbor Blvd, Garden Grove, CA 92840. The group is connected to St. Jude Heritage Medical Group and serves communities including Tustin, Diamond Bar, Anaheim Hills, Santa Ana, Brea, and Fullerton. For cardiology-specific care in Orange, consider contacting their listed offices or visiting their homepage (sjhmg.org) for cardiology services and physician referrals.
Services Offered
Technology & Equipment
Insurance & Payment
Not published.
Languages Spoken
Not published.
FAQs
What resources are available for patients?
Patient Resources & Information including forms to transfer medical records, appointment preparation, rights, insurance plans accepted, FAQs.
What are the hours of operation?
Mon - Fri: 7:30 a.m. - 5 p.m.
Where is St. Joseph Heritage Orange - Cardiology located?
1140 W La Veta Ave, Suite 430, Orange, CA 92868
Social Media
Photos
Photos published by St. Joseph Heritage Orange - Cardiology showing the cardiology practice in Orange, CA.







What Patients Say
Overall sentiment across review platforms: positive
- Providence/St. Joseph Heritage Medical Group provider profile (Dr. Donald Mahon): 4.9/5 (251 ratings)
- Providence/St. Joseph Heritage Medical Group provider profile (Dr. Jashdeep Singh Dhoot): 4.9/5 (91 ratings)
- Providence/St. Joseph Heritage Medical Group provider profile (Dr. Robert Louis Pedicini): 4.9/5 (93 ratings)
Patients praise
- attentive and compassionate care from physicians
- clear, honest, and transparent communication regarding health conditions
- high level of clinical capability and expertise
- short wait times during appointments
Common complaints
- administrative difficulties (e.g., cancelled appointments, scheduling errors)
- perceived lack of follow-up or resolution to patient concerns
- issues with communication regarding requirements like COVID-19 testing
"Dr. Mahon has been an excellent cardiologist. He is knowledgable and respectful, as is the entire staff."
- Providence/St. Joseph Heritage Medical Group website"Appointments canceled; Dr. Gomez unavailable; COVID test required, not told; I gave up."
- PissedConsumer (user review)"It is for that reason alone, my family and I would give him 5 Stars! The care afterward though, which is just as important, is why I rate him 5Stars and more if possible."
- Unilocal review of Dr. Michael ChanSynthesized from public review platforms as of Jul 10, 2026 - sources: [1][2][3][4].
In the News
- Dr. Yio-Fan Hsu, MD – Orange, CA | Internal Medicine - Aug 5, 2025
- Providence St. Joseph Hospital Foundation Establishes First-Ever Endowed Chairs to Advance Excellence in Cardiac and Cancer Care - Aug 14, 2025
- Contract Termination: UnitedHealthcare Medicare Advantage Plans - Nov 10, 2025
- Providence St. Joseph Hospital in Orange nationally recognized by AHA - Jul 23, 2025
- A Heart for Service | Providence St. Joseph Hospital Foundation - Oct 6, 2025
Information sourced from the clinic's website as of July 10, 2026.
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