Summary

Dr. Vijay Mahajan is a pulmonologist specializing in internal medicine and critical care medicine. He earned his medical degree from Pt B D S Postgraduate Institute of Medical Sciences and completed his residency at Cleveland Clinic Health System. With six decades of medical practice, Dr. Mahajan brings extensive experience to his specialized care. He is fluent in both English and Spanish.

Dr. Mahajan practices at multiple locations across Ohio, including Defiance, Toledo, Oregon, Tiffin, Sylvania, and Perrysburg. His expertise focuses on treating sleep disorders, particularly obstructive sleep apnea and sleep apnea in children. He performs comprehensive sleep studies and polysomnograms to diagnose breathing-related sleep conditions. Patients consistently rate his care highly, giving him an average rating of 5.0 out of 5 stars.

Overview based on verified provider data

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
  • 8 hospital affiliations
  • 11 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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. Neeraj Kumar Kanwal, MDDr. Naeem Ahmad Lughmani, MDDr. Lamberto D Diaz, MD
PulmonologyInternal MedicineSleep MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
60 Years of Experience 46 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, Italian, Spanish
Defiance , OHDefiance , OHWauseon , OHBryan , OH
Med School: Pt B D S Postgraduate Institute Of Medical Sciences Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Ayub Medical College
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

Dr. Vijay Kumar Mahajan holds expired and inactive medical licenses in the states of Ohio and Michigan.

Medical License

Medical Doctor with an expired medical license in the state of Ohio that expired in 2026 and an inactive medical license in the state of Michigan that expired in 1999.

Education & Training

Residency

Completed their residency at Cleveland Clinic Health System.

Medical School

Graduated from Pt B D S Postgraduate Institute Of Medical Sciences in 1966.

NPI Number

Dr. Mahajan's NPI number is 1568453959.

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Frequently Asked Questions

Does Dr. Vijay Mahajan accept my insurance?
You can see the insurance plans that Dr. Vijay Mahajan accepts on their Vitals profile.
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 virtual/telehealth appointments?
Dr. Vijay Mahajan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Vijay Mahajan's office located?
Dr. Vijay Mahajan's office is located at 1400 E 2nd St, Defiance, OH, 43512.
What languages does Dr. Vijay Mahajan speak?
Dr. Vijay Mahajan speaks English and Spanish.

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