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Hariharan Diabetes & Heart Care Hospitals

📍 24 & 26, "Swathi, 29th St, Nanganallur, Chennai, Tamil Nadu 600061
[x] Active Centre⭐ 4.5/5 (579 reviews)🏆 Expert Choice🕐 Open 24 hours📞 044 2224 7720⏱️ 3 min read
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Hariharan Diabetes & Heart Care Hospitals

Heart Care Provider
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24 & 26, "Swathi, 29th St, Nanganallur, Chennai, Tamil Nadu 600061 Chennai, Tamil Nadu 600061
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Area / Ward
NCBS Colony, Nanganallur
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PIN Code
600061
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Plus Code
X5MR+V6 Chennai, Tamil Nadu
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Timings
Open 24 hours
Verified July 2026
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Hariharan Diabetes & Heart Care Hospitals

📞 044 2224 7720
📍 24 & 26, "Swathi, 29th St, Nanganallur, Chennai, Tamil Nadu 600061...
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Customer Reviews
4.5
★★★★☆
579 reviews on Google
5★
465
4★
44
3★
12
2★
4
1★
54
ST
Saiakashaya Theenadayalan
Jul 28, 2025
★★★★☆
I recently consulted Dr. Sundar at Hariharan Heart & Diabetes Hospital, and I'm very satisfied with the care and professionalism he provided. He takes the time to explain health conditions clearly and listens to all concerns patiently. His approach to both heart and diabetes management is thorough, evidence-based, and compassionate.
MR
Mythili Raja
Jul 29, 2025
★★★☆☆
My huband admitted in this hospital for kidney treatment. All staff are good and cooperative. Especially Dr. Lakshmi Hariharan is so kind to patients. She is giving special care to every patients. Good atmosphere and friendly staffs.
RM
Roshini M
Jul 22, 2025
★★★★★
We have been consulting Dr Sundar for the past year. Great experience. Doctor doesn't recommend unnecessary tests, he consults very well with patience. The staff at the hospital are very friendly and the prices for the tests are reasonable. They also provide dietary consultation upon consulting for heart issues. A great experience. Would recommend for people with diabetic and heart issues!
SP
Suchitra prabu
Jul 26, 2025
★★★★★
Dr. Sundaram not only provided expert medical care but also reassured and supported our family during such a critical time and he taken immediate emergency care . His calm demeanor, clear communication gave us hope and confidence throughout the treatment process. Thanks to his timely efforts, my father is now on the path to full recovery. We are forever grateful to Dr. Sundaram and his team for their life-saving care and unwavering commitment to patient well-being.Hospitality and Treatment are good Taking more care about patient.
TT
TK Trooper
Jul 29, 2025
★☆☆☆☆
My mother in law was admitted to Hariharan Diabetes and Heartcare Hospital in Nanganallur for a heart-related issue. The hospital's management was very poor and we experienced highly questionable billing. She was hospitalized for 6 days under insurance, but no real treatment was given--her case was simply labeled as "monitoring" and surgery was deemed unsuitable. We paid an advance of 25,000, but the hospital billed the insurance company for 100,000 by falsely stating she was admitted for 10 days instead of 6. Despite their promise to return our advance after insurance settlement, they never did. The hospital also charged for unnecessary consumables. Overall, the billing process felt dishonest and the care inadequate. Would not recommend this hospital to others
MP
Mohanakrishnan Pv
Aug 09, 2025
★☆☆☆☆
My wife was admitted on 16 th july 25 due to edema and heart failure with lv dysfuntion and we are not satisfied with thier treatment then we took her to other hospital. Here their aim is only money and then treatment. If you want to keep your patient alive dont choose this hospital.
SG
Sriram Gopalan
Jul 24, 2025
★★★★★
They handle the patient's with care and they r very humble. Since 3 years my MIL is under treatment for heart problems and for diabetics by DR Sundar.she is quite good now . Evrything under control . Very happy with the nurse and other staffs also
VP
Vijayanand Parvathinathan
Aug 08, 2025
★★★★★
Dr. Sundar is very kind. Taking utmost care to patients. Hospital is very hygenic. Experienced staffs. Providing regular diet advisory.
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📈Quick Comparison: Top Cardiologists in Chennai
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Hariharan Diabetes & Heart Care Hospitals Current⭐ 4.5 (579)✅ YesView Details
Apollo Hospital Greams Lane Chennai ⭐ 4.7 (52260)✅ YesView Details
Apollo Speciality Hospitals Vanagaram ⭐ 4.8 (16057)✅ YesView Details

Comparison based on verified Google Maps data and user reviews.

[?]Frequently Asked Questions
Where is Hariharan Diabetes & Heart Care Hospitals located? +
Hariharan Diabetes & Heart Care Hospitals is at 24 & 26, "Swathi, 29th St, Nanganallur, Chennai, Tamil Nadu 600061, Chennai, Tamil Nadu 600061.
What cardiac services does Hariharan Diabetes & Heart Care Hospitals offer? +
Hariharan Diabetes & Heart Care Hospitals provides comprehensive heart care including services for this business. Call 044 2224 7720 for specific service availability and appointment scheduling.
What are the consultation hours of Hariharan Diabetes & Heart Care Hospitals? +
Hariharan Diabetes & Heart Care Hospitals is open Open 24 hours. Open all days.
Does Hariharan Diabetes & Heart Care Hospitals accept walk-in patients? +
Hariharan Diabetes & Heart Care Hospitals in Chennai may accept walk-ins for urgent cardiac concerns, but appointments are strongly recommended for specialist consultations and procedures.
What is the average consultation fee at Hariharan Diabetes & Heart Care Hospitals? +
Consultation fees at Hariharan Diabetes & Heart Care Hospitals typically range from ₹500 to ₹2000 in Chennai depending on the cardiologist's experience and the type of consultation. Procedures like ECG or Echo cost extra.
Is Hariharan Diabetes & Heart Care Hospitals equipped for emergency cardiac care? +
Hariharan Diabetes & Heart Care Hospitals provides emergency cardiac services for conditions like chest pain, heart attack, or severe arrhythmias. Call 044 2224 7720 immediately or go to the nearest emergency room for life-threatening emergencies.

About Hariharan Diabetes & Heart Care Hospitals

Hariharan Diabetes & Heart Care Hospitals is a verified business in Chennai, Tamil Nadu.

How to Book an Appointment at Hariharan Diabetes & Heart Care Hospitals

To consult with Hariharan Diabetes & Heart Care Hospitals in Chennai, call 044 2224 7720 to schedule an appointment or inquire about walk-in availability. Bring your previous cardiac test reports, ECGs, and a list of current medications.

Why Choose a Verified Cardiologist in Chennai?

Choosing a verified cardiologist like Hariharan Diabetes & Heart Care Hospitals in Chennai ensures you receive evidence-based cardiac care from board-certified specialists using advanced diagnostic equipment and internationally approved treatment protocols.

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9.8/10
Trust Score: Excellent
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MondayOpen 24 hours
TuesdayOpen 24 hours
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Verified Cardiologist Listing This listing has been verified for accuracy of contact details, professional credentials, and active operation status from official Google Business Profiles.
Registry Code: GBP-VET Last Vetted: July 2026

Google Place ID: ChIJndNnhXddUjoRh4G49ceF3lg