Quick answers
- Which hospitals does James D. Mark work at?
- Medicare's official clinician data lists James D. Mark at 2 hospitals: Fairview Hospital and Mercy Health - Willard Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James D. Mark see patients?
- Medicare's clinician data lists 1 practice location in Cleveland, OH. Call before your visit to confirm the address.
- What is James D. Mark's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does James D. Mark accept Medicare assignment?
- Yes. Medicare's clinician data says James D. Mark accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James D. Mark?
- (216) 444-8530, as listed in official Medicare / NPI Registry data.
- What is James D. Mark's NPI number?
- 1770524399. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James D. Mark works
Medicare's Facility Affiliation Data lists James D. Mark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fairview HospitalCleveland, OH · Acute Care Hospital · CCN 360077
- Mercy Health - Willard HospitalWillard, OH · Critical Access Hospital · CCN 361310
Practice locations
Addresses where James D. Mark is enrolled with Medicare (CMS data updated 2026-10-02).
- 9500 Euclid AveCleveland, OH 44195 (216) 444‑8530
Group practices
Medicare enrollment lists James D. Mark as a member of this group (CMS data updated 2026-10-02).
- Cleveland Clinic7,090 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Cleveland
Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770524399 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians