Expertise in
13
conditions

Dr. Mary A. Willis

Neurology
Cleveland Clinic
9500 Euclid Ave, 
Cleveland, OH 
Accepting New Patients
Offers Telehealth
Expertise in
13
conditions
Cleveland Clinic
9500 Euclid Ave, 
Cleveland, OH 

Overview

Mary Willis is a Neurologist practicing medicine in Cleveland, Ohio.

Dr. Willis is highly rated in 13 conditions, according to our data. Her clinical expertise encompasses Multiple Sclerosis (MS), Relapsing Multiple Sclerosis (RMS), Neuromyelitis Optica, and Optic Neuritis.

She is actively involved in clinical research, co-authoring 35 peer reviewed articles. Dr. Willis is currently accepting new patients.

Specialties

Neurology

Licenses

Psychiatry & Neurology in MS

Hospital Affiliations

Cleveland Clinic Avon Hospital
Cleveland Clinic
Fairview Hospital
Hillcrest Hospital

Languages Spoken

English

Gender

Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Louisiana Healthcare Connections
  • HMO
  • MANAGED MEDICAID PLAN
Magnolia Health
  • HMO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medical Mutual
  • HMO
  • PPO
Primewell Health Services
  • HMO
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE PART D
  • POS
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 11 Less Insurance Carriers -

Locations

Cleveland Clinic
9500 Euclid Ave, Cleveland, OH 44195

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

35 Total Publications

Anti-CD20 associated enterovirus meningoencephalitis: A narrative review with two illustrative cases.
Anti-CD20 associated enterovirus meningoencephalitis: A narrative review with two illustrative cases.
Journal: Multiple sclerosis journal - experimental, translational and clinical
Published: April 03, 2026
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Cleveland Clinic Main Campus

9500 Euclid Avenue, 
Cleveland, OH 
 (0.1 miles away)
216-444-2200
Languages Spoken:
English, Filipino
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Accepting New Patients
Offers Telehealth

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Expertise in
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conditions
Referral may be required
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Cleveland Clinic Main Campus

9500 Euclid Avenue, 
Cleveland, OH 
 (0.1 miles away)
216-444-2200
Languages Spoken:
English, Arabic, French
See accepted insurances
Accepting New Patients
Offers Telehealth

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Expertise in
26
conditions
Expertise in
26
conditions
Referral may be required
Before you request

Cleveland Clinic Main Campus

9500 Euclid Avenue, 
Cleveland, OH 
 (0.1 miles away)
216-444-2200
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

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Frequently Asked Questions about Dr. Mary A. Willis

How do I make an appointment with Dr. Mary A. Willis?

You can book an appointment with Dr. Mary A. Willis by calling their office at 216-444-8600. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Mary A. Willis a top-rated expert for Multiple Sclerosis (MS)?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Mary A. Willis is classified as an Elite expert for Multiple Sclerosis (MS), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Mary A. Willis specialize in?

While Dr. Mary A. Willis is a Neurology, they have specific expertise in Multiple Sclerosis (MS), Relapsing Multiple Sclerosis (RMS), and Neuromyelitis Optica. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Neurology.

Does Dr. Mary A. Willis participate in research or clinical trials?

Yes. Dr. Mary A. Willis has published 35 articles and abstracts on conditions like Multiple Sclerosis (MS). You can view a list of Dr. Mary A. Willis's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Mary A. Willis accept my insurance?

Dr. Mary A. Willis accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 216-444-8600 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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