Southern Mississippi Heart Center
Cardiology • Ocean Springs, MS • four locations along the Mississippi Gulf Coast locations
About
Southern Mississippi Heart Center (also known as Southern Mississippi Heart Ctr, P.A.) is a private hospital and cardiology clinic based in Ocean Springs, Mississippi. Key details: - Location: 3704 Bienville Blvd, Ocean Springs, MS 39564 (primary); additional offices in Pascagoula (4300 Hospital St) and Ocean Springs. - Industry: Hospitals and Health Care; specializes in heart testing and cardiology procedures. - Size: Approximately 2 employees; annual revenue around $24.6 million. - Leadership: CEO Mahmoud Zayed. - Contact: 1-228-762-1002 or 228-872-4040. - Status/Scope: Active private practice with multiple Gulf Coast locations; affiliated with various healthcare providers and suppliers in the region.
Clinic Type
Cardiology
Address
3704 Bienville Blvd, Ocean Springs, Mississippi 39564-5710, US
Phone
2288724040
info@msdysautonomia.org
Opening Hours
Not published — contact the clinic to confirm hours.
Website
Services Offered
Insurance & Payment
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Languages Spoken
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Social Media
Photos








What Patients Say
Overall sentiment across review platforms: mixed
- drracheleidelman.com (citing aggregate/summary): 15 reviews mentioned (aggregate score not explicitly provided as a single number) (15)
Patients praise
- Professional and knowledgeable physicians/specialists
- Kind, caring, and attentive bedside manner from medical staff
- Effective medical treatment and clear explanations of conditions
Common complaints
- Rude or unprofessional front desk/office staff
- Difficulty reaching the office via phone
- Perception of being overworked/understaffed in administrative roles
"Dr Passarelli and his staff in the office are absolutely wonderful, helpful, and kind, but the front desk lady at the testing center, Tina, is the absolute worst. She is extremely rude, not friendly, and seems like she has no clue what she’s doing..."
— drracheleidelman.com"Dr Reed and staff were outstanding. I'm from out of town and needed a quick consult. Got me right in and were respectful and caring."
— Yelp"Great medical care but the front office staff are rude and overworked. And they no longer answer their phones. They are impossible to reach."
— drracheleidelman.comSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Southern Mississippi Heart Center, P.A. RN, CMA and Medical Receptionist in Ocean Springs , MS | Sun Herald — Jul 2, 2026
- Singing River Opens Expanded Cardiology Clinic in Ocean Springs | Singing River Health System — Mar 4, 2026
- Singing River Health System celebrates the opening of new clinic - WXXV News 25 — Apr 1, 2026
- Ribbon Cutting: Singing River Cardiology | Singing River Health System — Mar 2, 2026
- Singing River Health System celebrates the opening of new clinic | Mississippi Coast — Apr 1, 2026
Information sourced from the clinic's website as of July 11, 2026.
More cardiology clinics in Ocean Springs
Singing River Cardiology at Ocean Springs is part of the Singing River Health System, a nonprofit healthcare system headquartered in Ocean Springs, MS. The system operates multiple hospitals, clinics, and specialty centers (including cardiac care) with a focus on comprehensive medical services such as heart/cardiac care, surgery, rehab, and hospice. Cardiology services are available at Ocean Springs locations within the system’s network, including the Ocean Springs Hospital campus. For updated job postings, contact, or service details, visit singingriverhealthsystem.com or call the Ocean Springs area facilities at the listed numbers.
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