Mark Greenhill, DO
NPI 1275096760 · Neuroradiology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Greenhill, DO is a Neuroradiology Physician provider in Cleveland, OH (NPI 1275096760).
Provider details
- NPI number
- 1275096760
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34.017566 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-11
- Last updated
- 2025-07-06
- Certified
- 2025-07-06
Frequently asked questions
- What is Mark Greenhill's NPI number?
- Mark Greenhill's National Provider Identifier (NPI) is 1275096760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Greenhill's specialty?
- Mark Greenhill is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Greenhill located?
- Mark Greenhill's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Mark Greenhill's phone number?
- The practice phone number listed in the NPPES registry for Mark Greenhill is (216) 444-1084.
- Does Mark Greenhill accept Medicare?
- Mark Greenhill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Greenhill's NPI active?
- Yes — Mark Greenhill's NPI (1275096760) is active in the NPPES registry as of the last update on 2025-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.