Chaim Vanek M.D.

Photo of Chaim Vanek, M.D.
Faculty profile
  • Clinical associate professor of medicine

Associate Professor of Medicine, Division of Endocrinology, Diabetes and Clinical Nutrition School of Medicine

Accepting new patients

4.7 out of 5 (843 Ratings, 343 Comments)


  • Endocrinology and diabetes

Special focus on

  • Adrenal Gland Nodules
  • Hyperparathyroidism and Hypercalcemic Disorders
  • Metabolic Bone Diseases
  • Osteoporosis
  • Thyroid Disorders and Dysfunction
  • Transgender Care


  • B.A., University of California, Los Angeles, Los Angeles California 1995
  • M.D., Oregon Health & Science University School of Medicine, Portland Oregon 1999
  • Internship:

    • Internal Medicine, University of Maryland Hospital / Baltimore VA Medical Center, 2000
  • Residency:

    • Internal medicine, University of Maryland Hospital / Baltimore VA Medical Center, 2002
  • Fellowship:

    • Endocrinology, Oregon Health & Science University, 2006
  • Certifications:

    • American Board of Internal Medicine; Endocrinology and Internal Medicine



  • English

Memberships and associations

  • The Endocrine Society
  • American Society of Bone and Mineral Research

Patient Ratings

4.7 out of 5 (843 Ratings, 343 Comments)

The patient ratings score is an average of all responses to the question "How likely would you be to recommend this provider to your family and friends (on a scale of 0 to 10)" on our nationally-recognized NRC patient surveys.

Patient Comments

  • Oct 16, 2019

    Hello. Yes, Dr. Vanek is a wonderful doctor is very thorough. I have no complaints. He's a great endocrinologist ,thank you.

  • Oct 14, 2019

    I have the utmost respect and trust for Dr. Vanek

  • Oct 08, 2019

    Prompt, friendly, professional.

  • Oct 02, 2019

    Friendly, listened to your concerns, verified your history with you,suggested course of treatment, phoned with feedback after bloodwork was done.

  • Sep 27, 2019

    Prompt, friendly, answers all questions thoroughly.

  • Sep 26, 2019

    Dr Vanek was very thorough, he made me feel like we had a plan. I was impressed with on time appointment.

  • Sep 26, 2019

    All went like clockwork and I was treated well and professionally

  • Sep 24, 2019

    Dr. Vanek is quite pleasant, knowledgeable, and efficient.

  • Sep 21, 2019

    Dr Vanek isThoughtful, careful and informative

  • Sep 21, 2019

    The provider was very kind and seemed to be brilliant. Could not have had a better experience.

  • Sep 21, 2019

    Top shelf. excellent provider. Excellent Hospital. Caring people. Caring doctors and nurses. Caring staff. Just excellent.

  • Sep 14, 2019

    On time - congenial - respectful - answers all questions.

  • Sep 13, 2019

    Dr. Vaneck was knowledgeable,kind,and an excellent physician. I also had a positive experience with the lab technician taking my blood.

  • Sep 12, 2019

    Dr Vanek is very thorough and takes time necessary to review my record and discuss it with me.

  • Sep 11, 2019

    Dr. Vanek is knowledgeable, thorough, empathetic and positive.

  • Sep 05, 2019

    Dr. Vanek is always so efficient and very well prepared.

  • Sep 05, 2019

    It was a very positive experience, Dr Vanek explained the treatment for my condition and the positive results he expected I’ll get with it.

  • Sep 05, 2019

    Was on time and was easy to talk to

  • Aug 24, 2019

    Dr. Vanek pays attention when I talk with him

  • Aug 20, 2019

    Pays attention to all the details. Very professional. Best endocrinologist I've ever had.

  • Aug 20, 2019

    Dr.Vanek is everything a good doctor should be from his thoroughness to the way he interacts with me; listening and explaining and professional.

  • Aug 17, 2019

    Dr. Vanek is positive and professional. He takes time to explain and patiently answers questions.

  • Aug 16, 2019

    Quick and complete

  • Aug 11, 2019

    Dr. Vanek is very knowledgeable in his field, and willing to share is expertise. I feel confident in his judgment regarding my treatment.

  • Aug 10, 2019

    Excellent doctor.

  • Aug 09, 2019

    Dr.Vanek was very friendly and accepting, a very likable man. I'm pleased having him as my Dr as I begin my Transition

  • Aug 08, 2019

    He was very helpful and understood the problem I was having and addressed it at this appointment.

  • Aug 07, 2019


  • Aug 05, 2019

    Amazing personalized care. No middle man nurse or assistant! Dr. Helped me the whole appointment!!

  • Jul 25, 2019

    Excellent, dedicated with superior knowledge, Dr.Vanek!

  • Jul 25, 2019

    He is a great Endochronologist, and I?ve been going to them for over 50 years . He listens to you and makes care so easy .

  • Jul 24, 2019

    He was concerned with all aspects of my health. Listened to me and answered all my questions. Followed up after visit.

  • Jul 20, 2019

    He was very informative, he was very prompt, and I got most of my questions answered. I would go to him again. Thank you.

  • Jul 20, 2019

    Dr. Vanek was knowledgeable about my condition and explained everything thoroughly. He had a plan for me and he had a very calm nature.

  • Jul 19, 2019

    Dr. Vanek is professional. I appreciate his expertise. I'm delighted to be in his care.

  • Jul 17, 2019

    Dr. Vanek is very thorough with his examinations. He listens carefully and provides feedback as well as encouragement.

  • Jul 16, 2019

    Knowledgeable, efficient, willing to listen to a patient's concerns. His initial recommendations will be followed up by further testing in a few weeks.

  • Jul 13, 2019

    Great communicator and listener

  • Jul 12, 2019

    Very good.

  • Jul 12, 2019

    Dr. Vanek is thorough, thoughtful, and attentive. He had researched my situation thoroughly and it was a pleasure to meet with him.

  • Jul 10, 2019

    Very knowledgeable. Precise. Always answers my questions and concerns.

  • Jul 09, 2019

    We felt appreciated and cared for. Impressed with the expertise and compassion.

  • Jul 06, 2019

    He is treating me for Osteoporosis. He put me on Prolia which is helping.

  • Jul 04, 2019

    on time, listened to what I had to say, very positive attitude, said he would work quickly to resolve my issue

  • Jul 02, 2019

    Very expert, efficient, personable. Dr. Vanek put me some years back on a course of osteoporosis-prevention involving supplements and exercise, which has been remarkably successful so far, for which I am very grateful.

  • Jul 02, 2019

    I felt he was very informative. He has found a new direction to deal with my issues. Very straight forward, great follow through and very easy to communicate with.

  • Jun 29, 2019

    I like Dr. Chaim Vanek. I think he's very responsible physician. I enjoyed meeting with him. I think he does listen very well in my experience, of course, and I look forward to you know, staying with him and keeping him as my physician. So he's a scientist and he's willing to look at things and he's willing to talk carefully about issues with endocrinology and helping, you know, people with critical cases, especially from head injuries, so he's helping with the endocrine system and that is welcomed by me and appreciated.

  • Jun 29, 2019

    Prompt, knowledgeable, ask me appropriate questions to be confirm that I understood treatment.

  • Jun 29, 2019

    Efficient competent.

  • Jun 28, 2019

    I was extremely impressed with this provider. He said that if I needed to contact him to use my my chart and leave a message and he would definitely return it. He was very interested in my past and the medications that I was taking and gave me feedback on why I was taking some of them and I would recommend him highly.

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