Summary

Dr. Janssen graduated from the Indiana University School of Medicine in 1988. He works in Saint Louis, MO and 2 other locations and specializes in Infectious Disease and Internal Medicine. Dr. Janssen is affiliated with Mercy Hospital Saint Louis, Kindred Hospital Saint Louis South, Mercy Heart And Vascular Hospital Saint Louis and Mercy Heart And Vascular Hospital Saint Louis.

Quick Facts

  • 4
  • 38 years of experience
  • speaks English
  • St Vincent Hospital Health Center
  • 2 written reviews
  • 2 specialties
  • 8 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Spent time with me
  • Provided follow-up after the visit
  • Flexible scheduling

Office Locations

Dr. David Alan Janssen has 3 locations

Mercy Hospital Saint Louis

615 S New Ballas RdSaint Louis, MO 63141

Mercy Heart And Vascular Hospital Saint Louis

625 S New Ballas RdCreve Coeur, MO 63141

Mercy Hospital South

10010 Kennerly RdSaint Louis, MO 63128

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Dr. David Alan Janssen, MD
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Dr. David Alan Janssen, MDDr. Francis Shoudee WuDr. Akaash KatariaDr. Sif Hansdottir
Infectious DiseaseNeuroradiologyPediatricsCritical Care Medicine
38 Years of Experience 9 Years of Experience 9 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Saint Louis , MOSaint Louis , MOSaint Louis , MOMaplewood , MO
Med School: Indiana University School Of Medicine Med School: Washington University In St Louis School Of Medicine Med School: American University Of The Caribbean School Of Medicine Med School: University Of Iceland Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. David Alan Janssen

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

Medical Specialties

Dr. David Alan Janssen has the following 2 specialties

Specialty Expertise

Dr. David Alan Janssen has the following 8 areas of expertise

  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Fever
  • Hepatitis C
  • Human Immunodeficiency Virus (HIV/AIDS)
  • Immunization
  • Infection
  • Internal Medicine
  • Vaccination

Certifications, License, & Education

38 Years Experience

Dr. David Alan Janssen holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Residency

Completed their residency at St Vincent Hospital Health Center.

Medical School

Graduated from Indiana University School Of Medicine in 1988.

NPI Number

Dr. Janssen's NPI number is 1700995339.

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Frequently Asked Questions

What languages does Dr. David Janssen speak?
Dr. David Janssen speaks English.
Does Dr. David Janssen accept virtual/telehealth appointments?
Dr. David Janssen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. David Janssen's office located?
Dr. David Janssen's office is located at 615 S New Ballas Rd, Saint Louis, MO, 63141.
Which hospitals is Dr. David Janssen affiliated with?
Dr. David Janssen is affiliated with Mercy Hospital Saint Louis, Kindred Hospital Saint Louis South, Mercy Heart And Vascular Hospital Saint Louis, and Mercy Heart And Vascular Hospital Saint Louis.
Does Dr. David Janssen accept my insurance?
You can see the insurance plans that Dr. David Janssen accepts on their Vitals profile.

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