4
1 Rating
Summary
Dr. Gregory Mason specializes in pulmonology and internal medicine, bringing more than five decades of medical expertise to his practice. He earned his medical degree from Indiana University School of Medicine and completed his residency at LAC USC Medical Center. With 52 years of clinical experience, Dr. Mason has developed extensive knowledge in respiratory and internal medicine care. He is fluent in both English and Spanish.
Dr. Mason practices at Harbor UCLA Medical Center, Torrance Memorial Medical Center, and Providence Little Company of Mary Medical Center Torrance, all located in Torrance, California. His clinical focus includes treating obesity and sleep disorders, with particular expertise in obstructive sleep apnea management. He also provides specialized care for pediatric obesity, helping young patients and their families address weight-related health concerns. Patients have given Dr. Mason an average rating of 4.0 on Vitals, reflecting their confidence in his …comprehensive approach to respiratory and internal medicine care.
Read More Read less Dr. Mason practices at Harbor UCLA Medical Center, Torrance Memorial Medical Center, and Providence Little Company of Mary Medical Center Torrance, all located in Torrance, California. His clinical focus includes treating obesity and sleep disorders, with particular expertise in obstructive sleep apnea management. He also provides specialized care for pediatric obesity, helping young patients and their families address weight-related health concerns. Patients have given Dr. Mason an average rating of 4.0 on Vitals, reflecting their confidence in his …comprehensive approach to respiratory and internal medicine care.
Overview based on verified provider data
Quick Facts
- 52 years of experience
- speaks English, Spanish
- Lac Usc Medical Center
- 2 specialties
- 8 areas of expertise
- 3 hospital affiliations
- 3 office locations
- Male
Office Locations
Dr. Gregory R Mason has 3 locationsProvidence Little Company Of Mary Medical Center Torrance
4101 Torrance BlvdTorrance, CA 90503 Tel: (310) 540-7676
Compare with Similar Doctors
 |  |  | |
| Dr. Gregory R Mason, MD | Dr. Asad Javed, MD | Jessica Espiritu Paz | Justin Lee |
| Pulmonology | Pulmonology | Emergency Medicine | Diagnostic Radiology |
| Accepts New Patients | |||
| 52 Years of Experience | 16 Years of Experience | 10 Years of Experience | 6 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Hindi, Urdu | ||
| Torrance , CA | Orange , CA | Placentia , CA | Los Angeles , CA |
| Med School: Indiana University School Of Medicine | Med School: American University Of Antigua College Of Medicine | Med School: University Of California Davis School Of Medicine | Med School: Loyola University Of Chicago Stritch School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gregory R Mason
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Gregory R Mason has the following 2 specialties
Specialty Expertise
Dr. Gregory R Mason has the following 8 areas of expertise
Certifications, License, & Education
52 Years Experience
Dr. Gregory R Mason 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 2025.
Education & Training
Residency
Completed their residency at Lac Usc Medical Center.
Medical School
Graduated from Indiana University School Of Medicine in 1974.
NPI Number
Dr. Mason's NPI number is 1841247145.
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Frequently Asked Questions
- Does Dr. Gregory Mason accept virtual/telehealth appointments?
- Dr. Gregory Mason has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Gregory Mason?
- You can find contact information for Dr. Gregory Mason here on Vitals.
- Is Dr. Gregory Mason accepting new patients?
- Dr. Gregory Mason has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. Gregory Mason speak?
- Dr. Gregory Mason speaks English and Spanish.
- Which hospitals is Dr. Gregory Mason affiliated with?
- Dr. Gregory Mason is affiliated with Harbor Ucla Medical Center, Torrance Memorial Medical Center, and Providence Little Company Of Mary Medical Center Torrance.
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