Summary

Dr. Masi graduated from the University of Illinois At Chicago College of Medicine in 1987. He works in Creve Coeur, MO and 1 other location and specializes in Sleep Medicine, Internal Medicine and Pulmonology. Dr. Masi is affiliated with Ssm Health Saint Joseph Hospital Saint Charles, Sarah Bush Lincoln Fayette County Hospital, Barnes Jewish West County Hospital and Select Specialty Hospital Saint Louis.

Quick Facts

  • 4.9
  • 39 years of experience
  • speaks English
  • Ventura County Medical Center
  • 4 written reviews
  • 3 specialties
  • 6 areas of expertise
  • 3 board certifications
  • 4 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Anthony Mark Masi has 2 locations

Barnes Jewish West County Hospital

12634 Olive BlvdCreve Coeur, MO 63141

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Dr. Anthony Mark Masi, MDDr. Akaash KatariaDr. Lemoyne Michael Habimana GriffinDr. Francis Shoudee Wu
Sleep MedicinePediatricsRadiation OncologyNeuroradiology
4.9 
39 Years of Experience 9 Years of Experience 6 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Creve Coeur , MOSaint Louis , MOSaint Louis , MOSaint Louis , MO
Med School: University Of Illinois At Chicago College Of Medicine Med School: American University Of The Caribbean School Of Medicine Med School: Washington University In St Louis School Of Medicine Med School: Washington University In St Louis School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Anthony Mark Masi

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

Medical Specialties

Dr. Anthony Mark Masi has the following 3 specialties

Specialty Expertise

Dr. Anthony Mark Masi has the following 6 areas of expertise

  • Asthma
  • Insomnia
  • Internal Medicine
  • Narcolepsy
  • Pulmonology
  • Sleep Apnea (Sleep Apnea Syndromes)

Certifications, License, & Education

39 Years Experience

Dr. Anthony Mark Masi holds expired and active medical licenses in the states of Missouri and Illinois.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026 and an active medical license in the state of Illinois that expires in 2026.

Education & Training

Residency

Completed their residency at Ventura County Medical Center.

Medical School

Graduated from University Of Illinois At Chicago College Of Medicine in 1987.

NPI Number

Dr. Masi's NPI number is 1902884844.

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Frequently Asked Questions

Does Dr. Anthony Masi accept virtual/telehealth appointments?
Dr. Anthony Masi has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Anthony Masi accepting new patients?
Dr. Anthony Masi has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Anthony Masi accept my insurance?
You can see the insurance plans that Dr. Anthony Masi accepts on their Vitals profile.
Which hospitals is Dr. Anthony Masi affiliated with?
Dr. Anthony Masi is affiliated with Ssm Health Saint Joseph Hospital Saint Charles, Sarah Bush Lincoln Fayette County Hospital, Barnes Jewish West County Hospital, and Select Specialty Hospital Saint Louis.
Where is Dr. Anthony Masi's office located?
Dr. Anthony Masi's office is located at 12634 Olive Blvd, Creve Coeur, MO, 63141.

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