About Konstantin John M.D, M.P.H.

If you’re looking for a reliable General Practitioner in Oakland, CA, Konstantin John M.D, M.P.H. is here to help. Backed by a 5.00-star average from 81 reviews, we offer great service and quality with accessible facilities for patients and families alike.

Last updated: May 16, 2026

Business Hours

Closed · Saturday Closed
Saturday Closed
Sunday Closed
Monday 8:30 AM-3:50 PM
Tuesday 8:30 AM-3:50 PM
Wednesday 8:30 AM-3:50 PM
Thursday 8:30 AM-3:50 PM
Friday 8:30 AM-3:50 PM

Customer Reviews

5.00
Based on 81 reviews
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Dan DaMan

This doctor and his staff are amazing! His low low prices are unbelievably low but you receive above first-class service from a wise doctor who Really listens to your problems, then he talks you through a solution in plain words. He didn't rush me through my visit (like most doctors) and he found a solution that fixed my issue. There …

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ADEL ADEL

I just wanted to refresh my gratitude to the best doctor ever,I would love to let doctor John Konstantin know that my husband and I are very grateful 😇 that we have found you… we appreciate you and your staff very much. Your staff are very welcoming and friendly always have a wonderful smile 😊 always welcoming and willing to …

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jose candido

Friendly staff the doctor is amazing very professional extremely affordable

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Lou Bornmann

Dr Konstantin is the best! This man has been there for me every time I've needed help without fail. His Mom Mrs Konstantin is an angel and I can tell you that none of the apple fell far from that tree.

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Alani Pahulu

Dr Konstantin is a good doctor. Really there to help you.

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Trust Medical Transportation TMT

I went to Concentra, and after waiting for 2 hours, I realized I needed to wait another 2 hours. I decided to leave. Luckily, I found Dr. John, and it took only 15 minutes to complete all my physical exams. Highly recommended!

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AG OG

This is a place where you can take care of your health and take a life time knowledge. Best customer service with a great doctor for a fair price.

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Freda Winkle

Dr Konstantin is an outstanding doctor! Well educated and versed in many areas! His true care fir the average patient catches ailments and things that other doctors/ Companies do not!

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M G

Truly one of the best doctors for primary care in California.. Over the course of the past 5 years, I have been to 27 doctors of every variety you can imagine to help me with my neurological disorders.. Dr. Konstantin is in my top 3 for his attentiveness, compassion, insightfulness and understanding.

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Karl Sycamore

Highly recommend! Went in to get a physical exam form signed, came out with a lot of inspiring knowledge about the body's systems, energy, and what can help keep us healthy. Dr. K, where is best place to follow your research about the the connections liver and mitochondria?

People Also Ask

Where is Konstantin John M.D, M.P.H. located?
Konstantin John M.D, M.P.H. is located at 2584 MacArthur Blvd, Oakland, CA 94602, United States, Oakland, CA, United States. You can get directions here.
What is Konstantin John M.D, M.P.H. rated?
Konstantin John M.D, M.P.H. has a rating of 5.00 out of 5 stars based on 81 customer reviews.
What are Konstantin John M.D, M.P.H.'s hours?
Konstantin John M.D, M.P.H.'s hours vary by day. Please check the Business Hours section above for the full weekly schedule.
How do I contact Konstantin John M.D, M.P.H.?
You can reach Konstantin John M.D, M.P.H. by phone at +1 510-530-5400.
What type of business is Konstantin John M.D, M.P.H.?
Konstantin John M.D, M.P.H. is a health & wellness business located in Oakland, CA. <!-- VOILA_REWRITTEN --> If you’re looking for a reliable General Practitioner in Oakland, CA, Konstantin John M.D, M.P.H. is here to help. Backed by a 5.00-star average from 81 reviews, …