Dr. Karen Ratner specializes in critical care (intensivists), medical oncology, internal medicine in Littleton, Colorado.

Dr. Karen Ratner has been compared 112 times. Details of Dr. Ratner's 43 years experience as an MD, her 2 hospital affiliations and education at University of California, San Francisco are available on your free doctor report.


Primary Location for Dr. Ratner

Dr. Karen Ratner
Childhood Hematology Oncology
7720 S Broadway
Littleton, CO 80122

Patient Ratings and Reviews


Dr. Karen Ratner has an average rating of 2.5 stars (out of 5) with a rating of Fair based on 6 reviews.

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 Board Certification, Specialty and Expertise

Dr. Karen Ratner has been identified as specializing in Critical Care (Intensivists), Medical Oncology and Internal Medicine.

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

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 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. Ratner attended medical school at University of California, San Francisco School of Medicine and graduated in 1973 having 43 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.


Patients may also know Dr. Karen Ratner MD as:

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