Quick answers
- Which hospitals does Mark Kaplan work at?
- Medicare's official clinician data lists Mark Kaplan at 2 hospitals: Mercy Allen Hospital and Mercy Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Kaplan see patients?
- Medicare's clinician data lists 1 practice location in Middlebrg Hts, OH. Call before your visit to confirm the address.
- What is Mark Kaplan's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Mark Kaplan accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Kaplan 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 Mark Kaplan?
- (440) 816-8000, as listed in official Medicare / NPI Registry data.
- What is Mark Kaplan's NPI number?
- 1942442967. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Kaplan works
Medicare's Facility Affiliation Data lists Mark Kaplan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Allen HospitalOberlin, OH · Critical Access Hospital · CCN 361306
- Mercy Regional Medical CenterLorain, OH · Acute Care Hospital · CCN 360172
Practice locations
Addresses where Mark Kaplan is enrolled with Medicare (CMS data updated 2026-10-02).
- 18697 Bagley RdMiddlebrg Hts, OH 44130 (440) 816‑8000
Group practices
Medicare enrollment lists Mark Kaplan as a member of this group (CMS data updated 2026-10-02).
- Hni Medical Services of Ohio, LLC38 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Middlebrg Hts
Clinicians with the same Medicare primary specialty in Middlebrg Hts, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942442967 |
| 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