Mary Alissa Willis, M.D.
Neurology Physician · Cleveland, OH
Mary Alissa Willis, M.D. is a neurology physician with a practice address in Cleveland, Ohio, and NPI 1710188248, issued on May 31, 2007. Check the license (Ohio 35.121567, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mary Alissa Willis
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 35.121567 OH
20793 MS
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Euclid Ave, Cleveland, OH 44195
- Phone
- (216) 444-8600
- Enumerated
- May 31, 2007
- Record last updated
- Jun 11, 2025
- Fax
- (216) 445-7013
- Medicaid ID
- 141729 AL
- Medicare enrollment
- Enrolled (PECOS I20130711000917); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 789 in Ohio → Look up another NPI →
Also registered at 9500 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
- Walid Abboud, MDInternal Medicine Physician1245295559
Verify Mary Alissa Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.121567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average neurology physician in 2024
808 Medicare Part D claims for 132 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin74 claims
- Baclofen70 claims
- Dalfampridine Er39 claims
- Pregabalin35 claims
- Kesimpta Pen33 claims
- Duloxetine Hcl28 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 69.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $24,308.93
14 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary Alissa Willis among 789 neurology physician records in Ohio
Mary Alissa Willis, M.D. is one of 789 neurology physician records with a practice address in Ohio. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 52% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2007 · median 2005 among the 579 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Ohio
There are 789 neurology physician records in Ohio.
All 789 in Ohio → Every provider in Cleveland → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Jeffrey Cohen, MDCleveland, OH 441951104867118
- Scott Cooper, MDCleveland, OH 441951538123781
- Harold Goforth, M.D.Cleveland, OH 441951811957939
- Ilia Itin, MDCleveland, OH 441951386607281
- Jennifer Kriegler, MDCleveland, OH 441951083679401
- Rebecca Kuenzler, MDCleveland, OH 441951164463873
- Jahangir Maleki, MD,PHDCleveland, OH 441951326097916
- Mary Ann Mays, M.D.Cleveland, OH 441951043274681
Common questions
What is Mary Alissa Willis, M.D.'s NPI number?
Mary Alissa Willis, M.D.'s National Provider Identifier (NPI) is 1710188248, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Alissa Willis, M.D. located?
The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-8600. Providers update this record themselves, so call before visiting.
How can I verify Mary Alissa Willis, M.D.'s license?
NPPES lists Ohio license number 35.121567, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Alissa Willis, M.D. prescribe under Medicare Part D?
In 2024, Mary Alissa Willis, M.D. had 808 Medicare Part D claims for 132 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Mary Alissa Willis, M.D.'s MIPS final score?
The 2023 MIPS final score is 69.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.