Dr. John Barstis MD

Medical Oncologists in Valencia, CA

5  Excellent based on 9 reviews | Rate Dr. Barstis
Dr. Barstis has been compared 155 times

Dr. John Barstis specializes in medical oncology, hematology / oncology, internal medicine in Valencia, California.

Dr. John Barstis has been compared 155 times. Details of Dr. Barstis' 40 years experience as an MD, his 2 hospital affiliations and education at State University of New York at Buffalo are available on your free doctor report.


Primary Location for Dr. Barstis

Dr. John Barstis
23929 Mcbean Pkwy
Suite F215
Valencia, CA 91355

Patient Ratings and Reviews


Dr. John Barstis has an average rating of 5 stars (out of 5) with a rating of Excellent based on 9 reviews.

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 Board Certification, Specialty and Expertise

Dr. John Barstis has been identified as specializing in Medical Oncology, Hematology / Oncology and Internal Medicine.

Accepted Insurance

Insurance plans and networks accepted by a doctor are not necessarily universal across all locations at which the doctor practices. This can be affected by many factors such as different group practices, hospital affiliations and working arrangements at those locations. Checking that the doctor you are visiting and the facility they are at are in-network providers for your insurance plan can save you money and headaches later from surprise medical bills.

Dr. John Barstis accepts the following plans at 23929 Mcbean Pkwy, Valencia, CA

  • Health Net
  • Blue Cross California
  • Blue Shield California
  • United Healthcare - Direct
  • UHC West (Formerly Pacificare)

See additional insurance networks accepted by Dr. Barstis

 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. Barstis attended medical school at State University of New York at Buffalo School of Medicine and Biomedical Sciences and graduated in 1976 having 40 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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