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Maria Kamvouris

Maria Kamvouris, CNP

Neuro-Oncology

Need help scheduling? Call (216) 636-0007

Highlights

Age Groups Seen

  • Adult

Languages

  • Greek
  • English

Gender

Female

About Maria Kamvouris

Biography

Maria Kamvouris is a nurse practitioner with the Brain Tumor & Neuro-Oncology Center of the Cleveland Clinic. Maria focuses her practice on patients with brain and spine tumors. 

She joined the Cleveland Clinic in 2013 as a registered nurse in the Neurological Step-down Unit.

After completing her Master’s degree in Nursing she transitioned to the Brain Tumor & Neuro-Oncology Center in 2018 in the role of certified nurse practitioner. Maria specializes in Adult Neuro-Oncology, Brain Tumor Management and Clinical Trials.

Locations

  1. Medina Medical Office Building
    • phone:
    • fax:
  2. CA Building - Taussig Cancer Center
    • phone:
    • fax:

Education & Board Certifications

Education

  • Graduate School: Kent State University
  • Graduate School: Kent State University, 2018
  • Undergraduate: Kent State University, 2013

Board Certifications

  • Adult-Gerontology Primary Care Nurse Practitioner: American Academy of Nurse Practitioners Certification Board, 2018

Professional Highlights

Treatment & Service:

  • Adult Neuro-Oncology
  • Brain Tumor Management
  • Clinical Trials

Research & Publications

See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.

As of 2025-10-06, Dr. Kamvouris has reported no financial relationship with industry that is applicable to this listing.

In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Insurances Accepted

Review a list of accepted insurance plans for our Northeast Ohio locations or learn more about purchasing a contracted managed care plan.

Ratings & Reviews

5 out of 5

157 ratings, 12 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

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Courtesy Respect & Concern
Patient Rating of Doctor
Search reviews
    5 out of 5 stars
    Reviewed on 4/8/2026

    I never thought that I would like anybody as much as Dr. Stevens. Maria is great and listens, which makes me feel very secure in my care.

    5 out of 5 stars
    Reviewed on 3/31/2026

    Maria is the best. Makes me feel very at ease. She is very pleasant and caring

    5 out of 5 stars
    Reviewed on 3/6/2026

    Maria is a top notch care provider. Very knowledgeable and caring

    5 out of 5 stars
    Reviewed on 10/22/2025

    She was wonderful in person and on the video call

    5 out of 5 stars
    Reviewed on 10/16/2025

    Maria Kamvouris was very nice, friendly and attentive. I appreciated her professionalism and knowledge. Thanks for her excellent care.

    5 out of 5 stars
    Reviewed on 9/8/2025

    Maria was excellent, she was professional, caring, and patient!

    5 out of 5 stars
    Reviewed on 7/15/2025

    Maria was absolutely phenomenal! She had a discussion with me about my health concerns, and I felt like she really understood my goals.

    5 out of 5 stars
    Reviewed on 7/15/2025

    She is wonderful, goes beyond just what she is seeing me for. Ask how my year has been any plans she is amazing

    5 out of 5 stars
    Reviewed on 5/29/2025

    My care provider was professional informative empathetic and truly concerned for my overall well-being. She answered questions and concerns I had and I am totally pleased with her service

    5 out of 5 stars
    Reviewed on 5/4/2025

    Maria took the time to listen to my journey, I really appreciated her listening and interest.

    5 out of 5 stars
    Reviewed on 5/4/2025

    Maria went above and beyond to make me feel comfortable not only during her visit but also for the MRI appointment

    5 out of 5 stars
    Reviewed on 4/29/2025

    Maria was very kind and took her time in explaining the details of the location and status of the tumor