Home About Services Book Appointment Contact
Internal Medicine · Kolkata

Compassionate care
you can trust.

Dr. Nikhil Sonthalia, MD brings expertise in internal medicine with a patient-first approach — offering thorough diagnostics, chronic disease management, and preventive care tailored to you.

Dr. Nikhil Sonthalia
MBBS · MD Medicine Verified Medical Practitioner

A physician who listens first.

Dr. Nikhil Sonthalia holds an MD in Internal Medicine and has built a practice grounded in empathy and rigorous clinical care. Based at RB Diagnostic in Lake Town, Kolkata, he believes that a thorough understanding of each patient's unique history, lifestyle, and concerns is the foundation of effective treatment.

With expertise spanning diagnostics, chronic disease management, and preventive medicine, Dr. Sonthalia works with patients to build sustainable, long-term health strategies — not just treat symptoms.

Schedule a Consultation

Education & Training

MD — Internal Medicine Postgraduate Medical Degree
MBBS Bachelor of Medicine & Bachelor of Surgery
Registered Medical Practitioner West Bengal Medical Council
Specialist in Acute & Chronic Medicine Diagnostics · Disease Management · Preventive Care

Medical Services

General Consultation

Comprehensive consultations for acute illnesses, infections, fever, fatigue, and general health concerns — with clear diagnosis and a focused treatment plan.

Chronic Disease Management

Ongoing, structured care for diabetes, hypertension, thyroid disorders, and other long-term conditions — with regular monitoring and lifestyle guidance.

Diagnostic Evaluation

Systematic workups for unexplained symptoms, lab interpretation, ECG review, and second opinions — thorough evaluation before any diagnosis is made.

Preventive Health Check

Annual health screenings, risk assessments, and customised preventive plans to keep you ahead of illness — particularly for busy professionals and families.

Pre-op & Fitness Evaluation

Medical clearance assessments for surgical procedures, employment, or travel — quick, reliable, and comprehensive documentation provided.

Follow-up & Review

Dedicated follow-up consultations to review test results, reassess treatment efficacy, and adjust medications or care plans as needed over time.

Dr. Sonthalia with patient
Dr. Sonthalia at his desk
Dr. Sonthalia speaking at a conference
Dr. Sonthalia consulting a patient
Dr. Sonthalia at OPD with patients
Dr. Sonthalia with elderly patient
Dr. Sonthalia with patient
Dr. Sonthalia at his desk
Dr. Sonthalia speaking at a conference
Dr. Sonthalia consulting a patient
Dr. Sonthalia at OPD with patients
Dr. Sonthalia with elderly patient
1600+ Patients Treated
8+ Years Experience
4.8/5 Patient Rating
98% Satisfaction Rate

What our patients say

★★★★★

"Dr. Sonthalia diagnosed my condition accurately when others couldn't. His attention to detail and calm demeanour made all the difference. Truly a remarkable doctor."

AD
Alka Dutta 56 years, Kolkata
★★★★★

"Very calm and patient doctor. He explains everything clearly without rushing. My whole family now consults Dr. Sonthalia for all our medical needs."

SC
Surajit Choudhury 34 years, Kolkata
★★★★★

"At my age, finding a doctor who truly listens is rare. Dr. Sonthalia is thorough, kind, and trustworthy. I feel safe and well cared for every visit."

SA
Savitri Agarwal 88 years, Kolkata

Book an appointment.

Clinic Address RB Diagnostic, P-846, Block A,
Lake Town, Kolkata – 700089
South Dumdum, West Bengal
Phone +91 93300 56417
Email nikhilsonthalia1993@gmail.com

Send a message

WhatsApp Us