Summary

Dr. Thomas Diamant treats asthma and status asthmaticus and performs pulmonary function testing and bronchodilator reversibility testing. He has practiced pulmonology for 47 years and is affiliated with Hoag Hospital Newport Beach and College Hospital Costa Mesa.

Dr. Diamant earned his medical degree from McGill University Faculty of Medicine and completed his residency at Toronto General Hospital. He sees patients in Costa Mesa, California.

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
  • 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. Asad Javed, MDDr. George Shahinian, MDDr. Randel Robert King, MD
PulmonologyPulmonologyPulmonologyPulmonology
Accepts New Patients Accepts New Patients
2.1 
5 
4.8 
0 
47 Years of Experience 16 Years of Experience 30 Years of Experience 48 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Hindi, Urdu Speaks English, Spanish Speaks English
Costa Mesa , CAOrange , CALaguna Beach , CAHarbor City , CA
Med School: Mc Gill Univ Fac Of Med Med School: American University Of Antigua College Of Medicine Med School: St Georges University School Of Medicine Med School: UNIVERSITY OF ARIZONA COLLEGE 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 expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired 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

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.
Which hospitals is Dr. Thomas Diamant affiliated with?
Dr. Thomas Diamant is affiliated with Hoag Hospital Newport Beach and College Hospital Costa Mesa.
Does Dr. Thomas Diamant accept my insurance?
You can see the insurance plans that Dr. Thomas Diamant accepts on their Vitals profile.
Is Dr. Thomas Diamant accepting new patients?
Dr. Thomas Diamant has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Thomas Diamant speak?
Dr. Thomas Diamant speaks English.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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