alert icon Coronavirus
Now scheduling COVID-19 vaccine appointments for ages 16+
Learn how to schedule
COVID-19 vaccine FAQs
New visitation hours
Need a COVID-19 test before travel, school or childcare?
Department Cardiovascular Medicine
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon No
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus

Specialties & Treatments

Treatment & Services

  • Cardiovascular Medicine
  • Cardiovascular Medicine Department
  • Debridement of Skin and Wound
  • Non-invasive Testing for Vascular Disease
  • Pseudoaneurysm Injection
  • Vascular Imaging
  • Vascular Medicine Section
View all 7 Treatment & Services +

Specialty in Diseases & Conditions

  • Adverse Effects Anticoagulants
  • Antiphospholipid Syndrome
  • Aortic Occlusion (blockage)
  • Arteriosclerosis Obliterans
  • Atherosclerosis (vascular)
  • Atrophie Blanche
  • Blood Clots
  • Carotid Artery Disease
  • Chronic Venous Insufficiency (CVI)
  • Deep Vein Thrombosis
  • Factor V Leiden
  • Fibromuscular Dysplasia (FMD)
  • Iliac Artery Occlusion (blockage)
  • Klippel-Trenaunay Syndrome (KTS)
  • Leg Circulation Problems
  • Lipedema
  • Lower Extremity Ulcers
  • Lymphedema
  • May-Thurner Syndrome (MTS)
  • Peripheral Artery Disease
  • Protein C and S Deficiencies
  • Pulmonary Embolism
  • Raynaud's Phenomenon
  • Thoracic Outlet Syndrome
  • Varicose Veins
  • Vascular Anomalies
  • Venous Disorders
  • Venous Insufficiency
  • Venous Leg Ulcers
  • Venous Stasis Leg Ulcers
View all 30 Specialties +


Is Cleveland Clinic Part of Your Insurance?

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

View All Plans

About Natalia Fendrikova Mahlay, MD

Natalia Fendrikova Mahlay, MD, is a staff physician in the Department of Vascular Medicine in the Sydell and Arnold Miller Heart, Vascular & Thoracic Institute.

Dr. Fendrikova Mahlay earned her medical degree from O. Bohomoletz National Medical University in her native country of Ukraine, earning the distinction of Physician Diplomate with Honor. During her residency she participated in international research projects and later was selected to continue her training in the United States as part of a physician exchange program.

Dr. Fendrikova Mahlay graduated from an internal medicine residency program at St. Vincent Charity Hospital, Cleveland. She completed her professional training with a vascular medicine fellowship at Cleveland Clinic and was appointed to the Cleveland Clinic staff in 2011.

She is a member of the American College of Physicians, Society of Vascular Medicine, and the Ukrainian Medical Society. She had been an active member of the Scientific Society of O. Bohomoletz National Medical University. During her training, Dr. Mahlay was honored as Intern of the Year in the internal medicine residency program at St. Vincent Charity Hospital and earned an Honor Diploma from the National Institute of Continuing Medical Education in Ukraine.

Dr. Fendrikova Mahlay served on the Board of Directors of the Ukrainian Museum Archives and volunteers with the Children of Chernobyl Relief Fund. Fluent in Ukrainian and Russian, she also volunteers as an interpreter.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic
Vascular Medicine
Cleveland, OH USA

Residency - Saint Vincent Charity Medical Center
Internal Medicine
Cleveland, OH USA

Medical Education - University Hospitals of Cleveland
Clinical Training/Observership
Cleveland, OH USA

Medical Education - O.Bohomoletz National Medical University

Professional Highlights

  • Clinical Assistant Professor in the Department of Medicine in the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University


  • Vascular Medicine
  • Internal Medicine

Specialty Interests

Peripheral arterial disease, non-atherosclerotic arterial disease (i.e. fibromuscular dysplasia, vasculitis), Raynauds phenomenon, blood clots, deep vein thrombosis, pulmonary embolism, hypercoagulable states, chronic venous insufficiency, vascular anomalies, venous disorders, lymphedema.

Research & Publications

Research & Publications

See publications for Natalia Fendrikova Mahlay, MD.

(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

Industry Relationships

Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

As of 4/29/2020, Dr. Fendrikova Mahlay 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.

Patient Satisfaction Reviews

122 Patient Satisfaction Reviews

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

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

Overall Star Ratings
5 out of 5
Explains 5
Courtesy, Respect & Concern 5
Patient Rating of Doctor 5

24 Patient Comments

Reviewed on Mar 17, 2021

Dr. Maylah and staff are wonderful!

Reviewed on Mar 11, 2021

I could not have asked for a more compassionate or concerned doctor. Dr. Mahlay explained everything in a manner I could easily understand and included my opinion and thoughts in decisions about my care. I'm happy to be healthy again, but said she won't be my doctor.

Reviewed on Feb 3, 2021

Always a great experience with Dr.Mahlay and staff.

Reviewed on Feb 1, 2021

Dr was great!

Reviewed on Jan 6, 2021

outstanding staff and doctor.

Reviewed on Jan 6, 2021

Outstanding vascular doctor.

Reviewed on Nov 25, 2020

Dr. Fendrikova Malay is excellent!

Reviewed on Oct 28, 2020

Will be scheduling a follow up appt with Dr. Mahlay...I live in Chicago suburbs and feel it is worth the trip to be under her care. She was excellent.

Reviewed on Oct 26, 2020

No problems at all~~~Dr. Mahlay is a fine doctor Thorough in every way and explains stuff to you so you will be able to understand every thing!

Reviewed on Oct 7, 2020

Dr. Mahlay really gets things done. She is exceptionally thorough and goes to great lengths to get me worked in for other tests or appointments she feels necessary. I come from 7 hours away so it is great that she does this to save me extra trips.

Reviewed on Sep 23, 2020

The doctor was very concerned. And she was very thorough.

Reviewed on Sep 9, 2020

Care provider very nice very professional

Reviewed on Sep 2, 2020

dr. Mahlay is very attentive and thorough... excellent listener and demonstrates sincere concern

Reviewed on Sep 2, 2020

Natalia Fendrikova Mahlay MD was very informative. Gave me a booklet to read about my condition. Took a nice amount of time with me and didn't make me feel rushed to get in and out

Reviewed on Aug 26, 2020

Dr Fendrikova was very kind, compassionate and thorough. She expressed concern and compassion regarding the experience I had at check in. She is always concerned about my overall health and well being.

Reviewed on Aug 25, 2020

Doctor was very professional and knowledgeable

Reviewed on Jul 29, 2020

Dr. Maylay is an excellent, caring physician.

Reviewed on Jul 28, 2020

Doctor was extremely thorough in her discussion of diagnosis and treatment that I appreciated. She spent time answering all of my questions. She was also very professional and personable.

Reviewed on Jul 22, 2020

This was my first visit with this doctor and she was very attentive.

Reviewed on Jul 22, 2020

Dr. Mahlay is simply outstanding by any definition of the word.

Reviewed on Jun 3, 2020

The staff was so accommodating to my schedule as I needed to get two tests done prior to my doctor's appointment. Add the pandemic to the mix to create quite a challenging situation. Dr's staff was great in successfully scheduling all for me. please give them some extra kudos from me.

Reviewed on Jun 3, 2020

Dr Malay is great! she explained my condition using a diagram that she sketched on paper to help me understand. she also answered all of my questions. she's great!

Reviewed on Jun 1, 2020

I appreciate being cared for by Dr. Mahlay - because I feel "cared for".She's very intelligent, compassionate and professional.I always leave her visits with a sense of confidence, that I'm in good hands. :)

Reviewed on May 12, 2020

she is an excellent caring doctor.

Related Videos Featuring Natalia Fendrikova Mahlay, MD

Related Videos Featuring Natalia Fendrikova Mahlay, MD

Back to Top