Summary

Dr. Vijay Mahajan specializes in pulmonology, internal medicine, and critical care medicine, bringing six decades of medical expertise to his practice. He earned his medical degree from Pt B D S Postgraduate Institute of Medical Sciences and completed his residency training at Cleveland Clinic Health System. With 60 years of experience in respiratory medicine, Dr. Mahajan has developed extensive knowledge in treating complex lung and breathing disorders. He speaks both English and Spanish to better serve his diverse patient community.

Dr. Mahajan maintains hospital affiliations with multiple Mercy Health facilities and ProMedica hospitals throughout Ohio, with practice locations in Defiance, Toledo, Oregon, Tiffin, Sylvania, and Perrysburg. His clinical expertise focuses on sleep-related breathing disorders, including sleep apnea in both adults and children. He performs comprehensive sleep studies and polysomnography to diagnose sleep conditions accurately. Patients consistently rate their experience with Dr. Mahajan highly, giving him an average rating of 5.0 out of 5 stars.
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AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 5
  • 60 years of experience
  • speaks English, Spanish
  • Cleveland Clinic Health System
  • 3 written reviews
  • 3 specialties
  • 9 areas of expertise
  • 3 board certifications
  • 8 hospital affiliations
  • 11 office locations
  • Male

Office Locations

Dr. Vijay Kumar Mahajan has 11 locations

Pulmonary and Sleep Medicine

1400 E 2nd StDefiance, OH 43512

Mercy Health Tiffin Hospital

45 St Lawrence DrTiffin, OH 44883

Pulmonary and Sleep Medicine

7640 Sylvania Ave Ste BSylvania, OH 43560

Pulmonary and Sleep Medicine

12623 Eckel Junction Rd Ste 2600Perrysburg, OH 43551

Pulmonary and Sleep Medicine

3851 Navarre Ave Ste 250Oregon, OH 43616

Mercy Health - Respiratory Specialists

2222 Cherry St Ste 1400Toledo, OH 43608

Mercy Health Perrysburg Hospital

12623 Eckel Junction RdPerrysburg, OH 43551

Mercy Health Respiratory Specialists

12623 Eckel Junction Rd Ste 2600Perrysburg, OH 43551
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Vijay Kumar Mahajan, MD
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Dr. Vijay Kumar Mahajan, MDDr. Diane Marie BernardiDr. Salil Avasthi, MDDr. Salvatore Veltri, MD
PulmonologyDermatologyInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.8 
60 Years of Experience 45 Years of Experience 37 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks English Speaks English
Defiance , OHFort Wayne , INDefiance , OHDefiance , OH
Med School: Pt B D S Postgraduate Institute Of Medical Sciences Med School: Rutgers New Jersey Medical School Med School: Government Medical College Patiala Med School: Wayne State University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Vijay Kumar Mahajan

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Vijay Kumar Mahajan has the following 3 specialties

Specialty Expertise

Dr. Vijay Kumar Mahajan has the following 9 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Critical Care Medicine
  • Emphysema
  • Internal Medicine
  • Pneumonia
  • Tuberculosis (TB)

Certifications, License, & Education

60 Years Experience

MEDICAL LICENSE

Medical Doctor, Ohio, 2026, Active
Medical Doctor, Michigan, 1999, Inactive

EDUCATION & TRAINING

Residency

Cleveland Clinic Health System

Medical School

Pt B D S Postgraduate Institute Of Medical SciencesGraduated in 1966

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Frequently Asked Questions

Is Dr. Vijay Mahajan accepting new patients?
Dr. Vijay Mahajan is accepting new patients on Vitals. View Dr. Vijay Mahajan's profile on Vitals to make an appointment.
Does Dr. Vijay Mahajan accept my insurance?
You can see the insurance plans that Dr. Vijay Mahajan accepts on their Vitals profile.
Which hospitals is Dr. Vijay Mahajan affiliated with?
Dr. Vijay Mahajan is affiliated with Mercy Health Saint Charles Hospital, Promedica Defiance Regional Hospital, Mercy Health Defiance Hospital, Mercy Saint Vincent Medical Center, Mercy Health Tiffin Hospital, Mercy Health Saint Anne Hospital Llc, Mercy Health Willard Hospital, and Promedica Toledo Hospital.
How can I make an appointment with Dr. Vijay Mahajan?
You can find contact information for Dr. Vijay Mahajan here on Vitals.
Where is Dr. Vijay Mahajan's office located?
Dr. Vijay Mahajan's office is located at 1400 E 2nd St, Defiance, OH, 43512.

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