Orest I Kostelyna, MD

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.

Jul 9, 2026

Dr K has a very nice personality and is very professional with his care. He also listens very close and provides you with choices for your own care.

Jul 7, 2026

Has always handled me with very dedicated approach

Jul 2, 2026

I appreciate the care and knowledge Dr Kosteyna shared with me.

Jul 2, 2026

Been seeing him for years, and his always on top of my current conditions.

Jun 29, 2026

Very thorough and caring. Explains things so I can understand. Listens and includes me in decisions

Jun 25, 2026

He consults with other docs involved in my care, always provids wonderful care for me.

Jun 25, 2026

Very thorough and knowledgeable. Always gets back to me through my chart in a timely fashion to give me lab results, etc.. He is a wonderful doctor.

Jun 17, 2026

He’s the BEST!

Jun 16, 2026

Thank you, Dr K!

Jun 10, 2026

He is almost certainly one of the best GPs I've had over my 81 years.

Jun 8, 2026

Best MD ever

May 27, 2026

My doctor is very good and very easy to talk with

May 21, 2026

Thanks

May 19, 2026

Great experience

May 19, 2026

Dr K is always thorough & easy to understand.

May 18, 2026

Dr. K was amazing! I love him and he does a fantastic job. His care team needs some additional training in what it means to be kind and respectful to others.

May 15, 2026

He’s very kind and courteous and definitely. You can tell that he is there to help you with your medical decisions.

May 14, 2026

Very courteous. Asked all questions relating to family and other pertinent life circumstances. Shared relevant information, and gave recommendations for the future.

May 7, 2026

Really informative and easy to talk to. You can tell he cares a lot about his patients.

May 6, 2026

Always great

May 4, 2026

He is amazing....but I can hardly get an appointment with him if I need to. Therefore I can't recommend him to others as he is unable to take new patients

May 1, 2026

I have already given my neighbor from Illinois Dr K's info telling him that he should be using him.

Apr 30, 2026

I’ve been seeing DR K for over 35 years, he’s the best

Apr 24, 2026

Dr. Kostelyna has provided excellent care and knowledge for many years.

Apr 24, 2026

SSM is extremely fortunate to have Dr. K on its staff

Apr 23, 2026

Excellent at his job!

Apr 21, 2026

He has kept me alive for years.

Apr 15, 2026

None better.

Apr 11, 2026

Dr. K is great!

Apr 11, 2026

Excellent Internist Cares about you Listens to your concerns

Apr 7, 2026

Always more relaxed than stressful.

Apr 4, 2026

Very considerate and thorough. Always listens to my concerns.

Mar 31, 2026

Dr Kostelyna does a fine job.

Mar 23, 2026

Outstanding staff and provider - feel blessed to be under their care!!

Mar 12, 2026

I appreciate the time he takes to discuss and listen to my concerns questions or outliers with my health. And asks questions to better understand.

Mar 11, 2026

Dr. Kostelyna is awesome! He is the best caring physician. I'm so very fortunate he is my doctor.

Mar 3, 2026

He listened to all concerns and explained reasons and what outcomes would be. Bet doctor I've ever had.

Mar 3, 2026

He takes his time with you and is very thorough.

Mar 2, 2026

Dr. K is thorough and thoughtful. He listens and seeks input in managing my care

Mar 1, 2026

Real care about his patients very good doctor

Feb 28, 2026

Trusted primary care physician.

Feb 21, 2026

Answered on the first comment box. Dr. Kostelyna is an exceptional doctor. He answers my questions, treats me like an adult, and has always been medically well informed.

Feb 21, 2026

Dr. K is a great listener and provides practical medical advice.

Feb 18, 2026

Excellent doctor! I will recommend him and already have to other friends and family!

Feb 11, 2026

My original appointment with him was cancelled. i was offered a pa but instead chose to forgo my appointment into the future so it could be with Dr K. He is an excellent provider and I would follow him wherever he goes.

Feb 9, 2026

He is always professional and friendly in a manner that includes listening to the patient. His discussions are always focused and understandable to include the patient in the diagnosis process.

Feb 3, 2026

He is the best internal medicine physician I have worked with in my 60+ years. He is caring, smart, and professional, while also being relatable.

Feb 2, 2026

He couldn't be any better

Jan 31, 2026

Professional and caring.

Jan 28, 2026

I think Dr Dr Kostylana is very knowledgeable and keeps current. He as a great doc!