Mark Jacob Greenhill, DO
Neuroradiology Physician · Cleveland, OH
Mark Jacob Greenhill, DO is a neuroradiology physician with a practice address in Cleveland, Ohio, and NPI 1275096760, issued on Apr 11, 2019. Check the license (Ohio 34.017566, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark Jacob Greenhill
- Credential
- DO
- Primary taxonomy
- Neuroradiology Physician 2085N0700X
- License number
- 34.017566 OH
Self-reported in NPPES; status is on the state search - Practice location
- 9500 Euclid Ave, Cleveland, OH 44195
- Phone
- (216) 444-1084
- Enumerated
- Apr 11, 2019
- Record last updated
- Jul 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20250730002879); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2019
- Entity
- Type 1 · individual
8 nearest neuroradiology physician records → All 65 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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- Mohammad Abbasi, MDClinical Cardiac Electrophysiology Physician1346730603
- Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
- Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
- Walid Abboud, MDInternal Medicine Physician1245295559
Verify Mark Jacob Greenhill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.017566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 hospitals and group practices
- Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars
- Wooster Clinic LLCWooster, OH
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.
Mark Jacob Greenhill among 65 neuroradiology physician records in Ohio
Mark Jacob Greenhill, DO is one of 65 neuroradiology physician records with a practice address in Ohio. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2011 among the 47 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085N0700X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuroradiology Physician providers in Ohio
There are 65 neuroradiology physician records in Ohio.
All 65 in Ohio → Every provider in Cleveland → Neuroradiology Physician nationwide →
The 8 neuroradiology physician records with the nearest ZIP codes
- Jinwhan Cha, D.O.Cleveland, OH 441951215475132
- Christopher Karakasis, M.D.Cleveland, OH 441951538321880
- Jonathan Lee, M.D.Cleveland, OH 441951790003994
- Shamaita Majumdar, MDCleveland, OH 441951265936082
- Douglas Martin, MD, PHDCleveland, OH 441951639436900
- Aubrey McMillan, MDCleveland, OH 441951326570243
- Scott Raymond, MD, PHDCleveland, OH 441951194080010
- Andrew Roy, MDCleveland, OH 441951568024487
Common questions
What is Mark Jacob Greenhill, DO's NPI number?
Mark Jacob Greenhill, DO's National Provider Identifier (NPI) is 1275096760, issued on Apr 11, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mark Jacob Greenhill, DO located?
The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-1084. Providers update this record themselves, so call before visiting.
How can I verify Mark Jacob Greenhill, DO's license?
NPPES lists Ohio license number 34.017566, 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.
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.