Quick answers
- Which hospitals does Mallory E. Hatmaker work at?
- Medicare's official clinician data lists Mallory E. Hatmaker at 3 hospitals: Cleveland Clinic, Hillcrest Hospital and Lake Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mallory E. Hatmaker see patients?
- Medicare's clinician data lists 3 practice locations, including Mentor, OH and Cleveland, OH. Call before your visit to confirm the address.
- What is Mallory E. Hatmaker's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Mallory E. Hatmaker accept Medicare assignment?
- Yes. Medicare's clinician data says Mallory E. Hatmaker 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.
- Does Mallory E. Hatmaker offer telehealth?
- Medicare's clinician data says Mallory E. Hatmaker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mallory E. Hatmaker?
- (216) 444-2200, as listed in official Medicare / NPI Registry data.
- What is Mallory E. Hatmaker's NPI number?
- 1336558527. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mallory E. Hatmaker works
Medicare's Facility Affiliation Data lists Mallory E. Hatmaker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cleveland ClinicCleveland, OH · Acute Care Hospital · CCN 360180
- Hillcrest HospitalMayfield Heights, OH · Acute Care Hospital · CCN 360230
- Lake HealthConcord, OH · Acute Care Hospital · CCN 360098
Practice locations
Addresses where Mallory E. Hatmaker is enrolled with Medicare (CMS data updated 2026-10-02).
- 8300 Norton PkwyMentor, OH 44060 (216) 444‑2200
- 8950 Euclid AveCleveland, OH 44195 (216) 444‑8950
- 9500 Euclid AveCleveland, OH 44195
Group practices
Medicare enrollment lists Mallory E. Hatmaker as a member of this group (CMS data updated 2026-10-02).
- Cleveland Clinic7,090 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Mentor
Clinicians with the same Medicare primary specialty in Mentor, OH — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336558527 |
| 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