Summary

Dr. Thomas Diamant is a pulmonologist with 47 years of experience treating patients with lung and breathing conditions. He earned his medical degree from McGill University Faculty of Medicine and completed his residency at Toronto General Hospital. Dr. Diamant speaks English and brings nearly five decades of expertise to his pulmonary medicine practice.

Dr. Diamant is affiliated with Hoag Hospital Newport Beach and practices in Costa Mesa, California. He specializes in treating asthma in both adult and pediatric patients, as well as rhinitis. His practice includes pulmonary function testing to evaluate lung capacity and breathing patterns, along with bronchodilator reversibility testing to assess how well medications can improve airflow. He also performs newborn pulse oximetry screening to check oxygen levels in infants.

Overview based on verified provider data

Quick Facts

  • 2.1
  • 47 years of experience
  • speaks English
  • Toronto General Hospital
  • 8 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. Thomas Diamant has 3 locations

Cooper Scott Thomas Office

136 BroadwayCosta Mesa, CA 92627

Dr. Thomas Diamant

136 BroadwayCosta Mesa, CA 92627

College Hospital Costa Mesa

301 Victoria StCosta Mesa, CA 92627

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Dr. Thomas Diamant, MDDr. George Shahinian, MDDr. Asad Javed, MDDr. Sunit Dhiru Mistry, MD
PulmonologyPulmonologyPulmonologyCritical Care Medicine
Accepts New Patients Accepts New Patients
2.1 
4.8 
47 Years of Experience 30 Years of Experience 16 Years of Experience 27 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Hindi, Urdu Speaks English
Costa Mesa , CALaguna Beach , CAOrange , CAHarbor City , CA
Med School: Mc Gill Univ Fac Of Med Med School: St Georges University School Of Medicine Med School: American University Of Antigua College Of Medicine Med School: UNIVERSITY OF CALIFORNIA DAVIS SCHOOL OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. Thomas Diamant

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

Medical Specialties

Dr. Thomas Diamant has the following specialty

Specialty Expertise

Dr. Thomas Diamant has the following 7 areas of expertise

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

Certifications, License, & Education

47 Years Experience

Dr. Thomas Diamant holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Toronto General Hospital.

Medical School

Graduated from Mc Gill Univ Fac Of Med in 1979.

NPI Number

Dr. Diamant's NPI number is 1952310872.

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Frequently Asked Questions

Which hospitals is Dr. Thomas Diamant affiliated with?
Dr. Thomas Diamant is affiliated with Hoag Hospital Newport Beach and College Hospital Costa Mesa.
How can I make an appointment with Dr. Thomas Diamant?
You can find contact information for Dr. Thomas Diamant here on Vitals.
What languages does Dr. Thomas Diamant speak?
Dr. Thomas Diamant speaks English.
Does Dr. Thomas Diamant accept my insurance?
You can see the insurance plans that Dr. Thomas Diamant accepts on their Vitals profile.
Does Dr. Thomas Diamant accept virtual/telehealth appointments?
Dr. Thomas Diamant has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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