Zheng Z. Topp, MD
Portland, OR 97225
Providence Cancer Center Oncology and Hematology Care Clinic, Westside Portland
9135 Southwest Barnes Road, Suite 261, Portland, OR 97225
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About Zheng Z. Topp
Dr. Zheng (“Zen”) Topp is an experienced hematologist-oncologist with a special focus in the care of patients with breast cancer. She grew up in the South, and completed internal medicine residency at the University of Virginia in Charlottesville, Virginia and fellowship at Scripps Clinic in San Diego, California. She most recently practiced in Jacksonville, Florida at Baptist M.D. Anderson where she was an adjunct assistant professor at The University of Texas M.D. Anderson Cancer Center in Houston. Dr. Topp is dedicated to knowing her patients and their treatment goals and concerns. She hopes to empower her patients to make confident, informed care decisions in what can undoubtedly be a challenging time. At Providence Cancer Institute, Dr. Topp joins an expert team of specialists with access to the newest innovations and clinical trials, in the goal to end cancer and provide the best possible care.
In her spare time, Dr. Topp enjoys discovering the Pacific Northwest with her family and rescue dog, Ricky Bobby, as well as wine tasting.
University of Mississippi
2007
University of Virginia
FellowshipScripps Green Hospital
- American Board of Internal Medicine, Hematology
- American Board of Internal Medicine, Medical Oncology
- American Board of Internal Medicine, Internal Medicine

9135 Southwest Barnes Road, Suite 261
Portland, OR 97225
Providence Medical Group - Oregon
Providence St. Vincent Medical Center
Community Reviews
At Providence, we're dedicated to providing you quality, personalized health care. We are constantly striving to optimize your experience.
As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.
From the start of my cancer until now I feel I have had great care.
Providence Patient
Good experiences through out my journey with breast.
Providence Patient
Dr Topp explains things very well
Providence Patient
Dr Topp did an amazing job explaining things and meeting the needs of my current health conditions. She spent time with me and never rushed our visit. Dr Topp genuinely cares for me and my health condition and it shows. She has been a wonder provider!
Providence Patient
I feel very lucky that Dr. Topp is my oncologist.
Providence Patient
Dr Topp is amazing and all of the staff as well. They literally saved my life.
Providence Patient
Dr Topp and her team are awesome. I cannot say enough about the care and compassion, I received with every interaction. Providence Breast Cancer team collaborate with every aspect of my care and treatment. Always have access to reach out to any one on my team from RN navigator, radiology, rad oncologist, surgeon and oncology all have been exceptional. Would recommend anyone with breast cancer to seek treatment at St Vincent.
Providence Patient
This was my initial visit with this provider since the previous provider changed scope of practice. Hoping this is a good start to a long term relationship.
Providence Patient
Dr. Topp is amazing. She is so kind, understanding and reassuring. She is very thoughtful about the right treatment plan and helps you feel that your questions, opinions and understanding really matter to her. I felt a great amount of trust and confidence in her from the moment we met and feel that she really cares about me, who I am and what matters to me.
Providence Patient
I love the care I receive from Dr Topp and feel fortunate to have her as my oncologist.
Providence Patient
Very good
Providence Patient
Best Provider ever!
Providence Patient
Dr. Topp listens and answers my questions and concerns.
Providence Patient
Very pleased with Dr Topp. Very easy to talk with and seemed genuinely interested in providing excellent care.
Providence Patient
All good
Providence Patient
Dr. Topp is very thorough. She takes all of my concerns seriously, even when I'm not sure they are serious issues.
Providence Patient
Excellent care always!
Providence Patient
Dr. Topp is knowledgeable, competent, friendly, and kind. She always takes time to answer my questions. I never feel rushed during our visits. I feel like she cares about me and is doing her absolute best to help me.
Providence Patient
Dr Topp sent me a quick message on Friday afternoon with an east to understand summery of test results so I would not have to wait and worry all weekend and try to decipher the complicated medical report . I very much appreciated her doing this,
Providence Patient
Always feel heard and well cared for.
Providence Patient
Love this oncology team. Helps relieve anxiety!
Providence Patient
Dr.Topp is a great, compassionate and caring provider. I am glad to have her on my breast cancer care team
Providence Patient
All personnel I encountered were wonderful
Providence Patient
Dr Topp listens to me and offers explanations and advice in a respectful manner. She is very knowledgeable, professional and approachable. I would recommend her to anyone who needs a breast cancer oncologist.
Providence Patient
Dr. Topp is always pleasant and takes time to explain everything thoroughly and in an understandable way. I have always felt comfortable with her and her staff is also excellent.
Providence Patient
No complaints. It's all good.
Providence Patient
ALL GOOD!
Providence Patient
Dr Topp and her team are amazing and absolutely the best at dealing with cancer patients. Their compassion knows no bound.
Providence Patient
Dr Topp feels very caring and sympathetic about making sure I get the best care possible.
Providence Patient
Very caring, knowledgeable and kind .
Providence Patient
Dr Topps is excellent. I hope I don't have to recommend a friend as that means they have breast cancer but if they do, DrTopps and her team will take complete care of them as she did me. Thankful for Dr Topps and her team
Providence Patient
Always a good listener.
Providence Patient
1st visit with Dr.Topp. She is wonderful!
Providence Patient
Dr Topp is always kind and knowledgeable
Providence Patient
Dr Topp is on Top and should be Doctor of the year!
Providence Patient
I count my blessings TWICE, when I see and get checked / helped, by my medical CARE TEAM at Oncology !
Providence Patient
Listened to me and reassured me with response
Providence Patient
Amazing experiences. I feel like my team at St Vincent is family to me. Helped save my life.
Providence Patient
Dr Topp is personable and knowledgable. A great combination of qualities.
Providence Patient
Everyone in this office has always taken great care of me. If additional appointments or tests are need they help me get them scheduled right away. Everything has been very efficient and easy.
Providence Patient
The doctors and staff in the oncology department have always been very kind and attentive.
Providence Patient
Dr. Topp is great, professional and is attentive to your needs/concerns
Providence Patient
Dr Topp and her team are excellent medical professionals.
Providence Patient
Dr. Topp has given me the best of care. My continuing good health is the best example of a very, very good ongoing experience!
Providence Patient
Nothing bad to say about Dr. Topp. She is a kind, experienced professional whose knowledge I look to in providing the best care for me following my breast cancer diagnosis and follow-up treatment.
Providence Patient
She goes above and beyond to provide the best care possible.
Providence Patient
I love Dr Topp! I'm so blessed to have her for my oncologist!
Providence Patient
Dr ZZ Topp is supportive, shows understanding and clearly cares about my health and wellbeing.
Providence Patient
Dr. Topp Is great, explains everything and listens to my concerns .
Providence Patient
In addition of Dr. Topp being an excellent clinician, she is kind and compassionate about caring for her patients.
Providence Patient
People are awesome there
Providence Patient
Dr. Topp is an excellent doctor.
Providence Patient
Dr Topp and Staff are all Excellent!!
Providence Patient
I love everybody there they've been very kind and considerate.
Providence Patient
Dr Topp is very kind.
Providence Patient
I am very pleased with Dr Topp!
Providence Patient
Dr. Topp is phenomenal. I always feel like she listens and has great compassion.
Providence Patient
Dr Topp considered my issues carefully & with compassion.She was grest
Providence Patient
I am blessed to have Dr. Topp as a doctor.
Providence Patient
No bad experience
Providence Patient
Most considerate professional. Wish there were more people like,Dr. Topp in practice today
Providence Patient
I have found Dr Topp to be a knowledgeable compassionate and caring physician. I feel fortunate to have found her .
Providence Patient
Dr. Topps office staff are always very friendly and efficient and have helped me through a difficult time in my life and I much appreciate that.
Providence Patient
I am very satisfied with my care.
Providence Patient
Dr. Top is very professional and I trust her. She adds a bit a humor to the visits. I would recommend her to anyone who faces cancer.
Providence Patient
Dr. Topp always listens carefully to my comments and questions, and responds thoughtfully. She takes all of my concerns seriously.
Providence Patient
My experience with Doctor Topp and those who work with her are the nicest people. I always feel comfortable with all my appointments from the beginning. I'm thankful.
Providence Patient
Dr.Topp is very thorough when examining me and explains when I have any question.
Providence Patient
Dr. Topp is a wonderful clinician that is as caring as she is knowledgeable.
Providence Patient
This care provider is very compassionate, caring, and engaging with their patients.
Providence Patient
Dr. Topp is an amazing human being that listens and explains in detail. Very thankful for her and her team.
Providence Patient
Dr Topp is amazing. I love her. She makes me feel heard and explains everything very well.
Providence Patient
My physician is an excellent listener and explains everything so that I understand. She has a warm but professional demeanor. She will be heading up my medical team for the next five plus years and I already have confidence in her. We are partners and she is respectful and kind to me.
Providence Patient
The Breast Cancer protocol has been well orchestrated from beginning to follow up. Each individual encounter is positive and life-affirming.
Providence Patient
Everything was good!
Providence Patient
Top notch!
Providence Patient
Dr. Topp is a very sweet, and dedicated to her patients, physician. Last January during an ice-storm, she still kept a tele-health visit with me, even though she had the flu and had slipped and fell on the Ice. I really appreciated her during my breast cancer journey.
Providence Patient
Dr Topp is without a doubt one of the best physicians I have ever seen. She is very familiar with my records and extremely knowledgeable. In addition to being a top notch physician, she is very warm and personable. I am so glad I was referred to her.
Providence Patient
I have been blesses to have my breast cancer team. From mammography, biopsy, surgery, radiation therapy, lympedema PT expert and the breast center store for best under garments for lymphedema and support
Providence Patient
Dr. Topp is a great doctor, professional and caring. She listens to your questions and answers in a manner that shows she sincerely wants to help you. I have appreciated being her patient.
Providence Patient
Always a great visit with doctor Zheng Z. Topp.
Providence Patient
Dr. Topp is superb! She explained everything about my care very clearly.
Providence Patient
Dr Topp is a very caring person and listens to all the questions--even the maybe silly ones--then you know how you are doing and what's important for you and what you may need to do coming up. She is great at alleging a lot of little worries!
Providence Patient
Dr Topp was very professional, knowledgeable and reviewed my history & notes before arriving. I appreciated her warmth & caring attitude.
Providence Patient
I have received the very best care!
Providence Patient
Dr. Top is the best!
Providence Patient
We had a good conversation and she answered my questions and concerns.
Providence Patient
There is no one better! Dr Topps is knowledgeable and professional, while able to also be very caring and personable. She is one of my favorite doctors! And I very much appreciate that her staff is willing to schedule other appointments in the hospital for me...such as Mammograms and bone density. It is almost impossible to get those appts made with any ease anymore, so that lifts a heavy burden and insures my appt does get on the books in a timely and necessary manner!
Providence Patient
Very positive and reassuring.
Providence Patient
I absolutely feel seen and heard by Dr. Topp and appreciate the friendly helpful team at the office.
Providence Patient
She is a great listener.
Providence Patient
Wonderful, caring & knowledgeable. I feel blessed to have her as a medical provider. Highly recommend.
Providence Patient
I was really impressed with Dr Topp. She listened to what I had to say, concerns, and took her time with me. She also sat directly in front of me when she was talking with me instead of sitting behind the computer. I really appreciated this. However, I would like to point out I have not been impressed with the Nurse Practitioners at the Oncology Clinic, and will only see Dr Topp at this point in my care.
Providence Patient
Dr. Topp is a wonderful doctor. She is easy to talk to and listens to what you say.
Providence Patient
Always a pleasure talking to Dr. Todd; I'm very comfortable with her.
Providence Patient
I'm satisfied the way she treat me as my doctor ( Dr Topp) Thank you very much
Providence Patient
Clinical Interests
- Breast Cancer
- Breast Cancer Chemotherapy
- Breast Cancer Genetics
- Breast Cancer Genomics
- Cancer
- Cancer Chemotherapy
- Cancer Pain
- Cancer Rehabilitation
- Cancer Related Anxiety Disorder
- Cancer Related Bereavement Disorder
- Cancer Related Depression
- Cancer Related Fatigue
- Cancer Related Psychiatric Disorder
- Cancer Related Stress Disorder
- Cancer Risk Assessment
- Cancer Survivor
- Carcinoma Of Unknown Primary
- Chemoradiation
- Clinical Trials
- Ductal Carcinoma In Situ (Dcis)
- Hereditary Breast And Ovarian Cancer
- Idiopathic Thrombocytopenic Purpura
- Lobular Carcinoma In Situ (Lcis)
- Side Effects Of Cancer Treatment
- Targeted Molecular Therapy
Love Dr Topp, always explains everything very well and takes plenty of time during my visit so I can understand everything.
Providence Patient