She took the time to really listen to my concerns. Reassuring me that there were plenty of medication options available until we find the correct one that works for me.

January 15, 2026

Dr. Grinenko is an outstanding neurologist! She is kind, caring, and knowledgable. I am so glad that she is my neurologist!

December 10, 2025

Dr. Grenenko is wonderful. She always answers all my questions and spends all the time with me that I need. She is a wonderful addition to McFarland Clinic!

November 25, 2025

I appreciated the time Dr. Grinenko took to listen, observe and evaluate me. She explained all the medications she prescribed and why she felt they were the best options for my treatment plan against migraines and nausea.

September 28, 2025

Dr. Grinenko is truly interested in her patients. She is thorough and she explains everything very well. She is very positive and upbeat and listens to concerns I may have. I enjoy having her as my physician.

June 30, 2025

I appreciate Dr Grinenko’s empathy, her good listening skills, and willingness to think outside the box to address my chronic issues.

June 26, 2025

I am very impressed with Dr. Grinenko. She asked questions about my migraines and seizures that I have never been asked and she listened closely to my answers. She made an individualized plan for me and I feel relief that there are options. Dr. Grinenko is a kind, thorough and highly knowledgeable neurologist.

May 22, 2025

She was very thorough and made sure we understood everything.

April 18, 2025

She is very kind, thorough, caring and understanding. She is also very knowledgeable.

March 11, 2025

Dr Grinenko was a pleasure to work with! I valued her knowledge and openness about all options for my treatment forward.

February 14, 2025

Dr Grinenko takes her time, answers my questions and provides a comfortable atmosphere for dialogue.

January 7, 2025

Very pleasant visit. Dr Grinenko is very thorough with her examination and communication about the results.

December 3, 2024

Excellent experience. She spent a lot of time with us going through different treatment options.

November 17, 2024

Dr. Grinenko is a great doctor who listens carefully to what you have to say and makes a goal or plan to accomplish not having so many migraine headaches. She is very professional, very caring, and very personable. She makes sure you understand the protoccol that she reccommends always asks if you have any questions. We really like having her as our doctor!

October 26, 2024

I am impressed with the amount of time she spent with us, she gave us lots of options and explained everything very well. I appreciate her expertise.

September 11, 2024

She was very thorough and made sure I understood everything and talked me through anything I didn't understand and we came up with a solution TOGETHER instead of her just trying to get rid of me and throw meds my way. She actually wanted to help me get better and have less migraines. She seems to actually care. And again she was very thorough and I appreciated that so much!

August 16, 2024

Dr. Grinenko was very knowledgeable about bvFTD which was reassuring to us for a first time visit for my husband. She was extremely patient and caring as she listened to the patient’s history and performed an examination. She also provided information about possible resources and services that might be beneficial.

August 9, 2024

This was my first time meeting with Dr. Grinenko and both my daughter and I felt very comfortable with her and with her knowledge of what I could possibly do to make my symptoms go away.

July 19, 2024

She takes time with her patients, and is very detailed. She allows us to ask questions at anytime.

June 18, 2024

Dr. Grinenko was very thorough and communicated very clearly regarding her diagnosis and treatment options.

May 8, 2024

We are extremely excited about the visit with our new doctor! Looking forward to seeing her as needed! Very friendly. Easy to speak with! Many Thanks!!

May 8, 2024

About

Medical Interests

Epilepsy
Movement disorders
Headache disorders

Joined McFarland Clinic

November, 2023

Languages Spoken

English, Russian, Ukranian

Education & Professional Certification

Certifications

American Board of Clinical Neurophysiology
Diplomate of the American Board of Psychiatry and Neurology

Education

Lomonosov Moscow State University, Moscow, Russia

Medical Doctorate

Residency

Trinity Health Grand Rapids Hospital, Grand Rapids, Michigan

Neurology Residency

Fellowship

Cleveland Clinic, Cleveland, Ohio

Epilepsy and Clinical Neurophysiology Fellowship

Professional Societies

American Academy of Neurology
American Epilepsy Society

Olesya Grinenko, MD

Primary Clinic

Medical Arts Building Office

Also Sees Patients In

Marshalltown Office

Patient Testimonials