


Dr. Mary Klein, MD
Dr. Mary Klein, MD is a medical oncologist in Valparaiso, IN and has over 45 years of experience in the medical field. She graduated from Drexel University College of Medicine in 1979. She is affiliated with medical facilities such as Northwestern Medicine Central Dupage Hospital and St. Mary Medical Center. She is not accepting new patients.
Practice
85 E US Highway 6 Valparaiso, IN 46383Make an Appointment
Hospital Highlight
Dr. Klein is affiliated with Northwestern Medicine Central Dupage Hospital Winfield, a highly rated hospital.
At a Glance
- Areas of ExpertiseDr. Klein specializes in the areas of Internal Medicine & Medical Oncology. • See board certifications
- Practices at Top Hospital
- Hospital Satisfaction

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Dr. Klein's Reviews
Likelihood to recommend Dr. Klein
3.2
5 Star | 43% | 43% |
4 Star | 14% | 14% |
3 Star | 0% | 0% |
2 Star | 7% | 7% |
1 Star | 36% | 36% |
Leave a review
How was your experience with Dr. Klein?Overall Patient Satisfaction
Likelihood of recommending Dr. Klein to family and friends is 3.2142856 out of 5
About Me
biography
Dr. Mary Klein, MD is a medical oncologist in Valparaiso, IN and has over 45 years of experience in the medical field. She graduated from Drexel University College of Medicine in 1979. She is affiliated with medical facilities such as Northwestern...read moreMedical Oncology
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Drexel University College Of Medicine
Medical School, 1979
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on Breast Cancer
Locations
Practice
Affiliated Hospitals
- Recipient of 8
hospital awardsPatient Safety Excellence Award™ (2025)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsOutstanding Patient Experience Award™ (2024, 2022)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
80%Patients would recommend the hospital to friends and family15% higher than the national average
- Recipient of 1
hospital awardView all awardsOutstanding Patient Experience Award™ (2024)
Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions
View all patient feedbackHow patients felt about the care they received at this hospital.
89%Patients said they were given information about recovering at home5% higher than the national average
82%Patients said that nurses always listened to them and explained things well7% higher than the national average
- View all patient feedback
How patients felt about the care they received at this hospital.
94%Patients said that nurses always listened to them and explained things well12% higher than the national average
88%Patients said their room and bathroom were always kept clean11% higher than the national average
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