Dr. Mark Allendorph MD

Gastroenterologists in Alton, IL

3.5  Good based on 3 reviews | Rate Dr. Allendorph
Dr. Allendorph has been compared 169 times

Dr. Mark Allendorph specializes in gastroenterology, internal medicine in Alton, Illinois.

Dr. Mark Allendorph has been compared 169 times. Details of Dr. Allendorph's 36 years experience as an MD, his hospital affiliation and education at Rosalind Franklin University are available on your free doctor report.


Primary Location for Dr. Allendorph

Dr. Mark Allendorph
2 Memorial Dr
Suite 205
Alton, IL 62002

Patient Ratings and Reviews


Dr. Mark Allendorph has an average rating of 3.5 stars (out of 5) with a rating of Good based on 3 reviews.

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 Board Certification, Specialty and Expertise

Dr. Mark Allendorph has been identified as specializing in Gastroenterology and Internal Medicine.

He obtained board certification from The American Board of Internal Medicine for Internal Medicine.

More information available on your free report

 Hospital Affiliation

A hospital affiliation covers any doctor who has an affiliation, association or admitting privilege with a hospital. A doctor's particular affiliation to a specific hospital can translate to the overall quality of that provider.

Dr. Allendorph is affiliated with 1 hospital:

Alton Memorial Hospital
1 Memorial Dr
Alton, Illinois


Dr. Allendorph attended medical school at Rosalind Franklin University Chicago Medical School and graduated in 1980 having 36 years experience.

While there is no proven correlation between the quality of one's educational institution and the quality of one's professional competence, it is often an indicator. Medical schools have various levels of selectivity (some are harder to get into than others), and both the quality of their clinical training and level of research are measured. Additional medical training in both residency and fellowships and the facilities they are conducted at also provide a history of the doctors' level of training and experience.


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