Quick answers
- Which hospitals does Marnie J. Marker work at?
- Medicare's official clinician data lists Marnie J. Marker at 5 hospitals: Barnesville Hospital Association, Inc, Reynolds Memorial Hospital, Inc, Trinity Medical Center East &Trinity Medical Center West, Wetzel County Hospital and Wheeling Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marnie J. Marker see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Clairsville, OH and Wheeling, WV. Call before your visit to confirm the address.
- What is Marnie J. Marker's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Marnie J. Marker accept Medicare assignment?
- Yes. Medicare's clinician data says Marnie J. Marker 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 Marnie J. Marker?
- (304) 242-7751, as listed in official Medicare / NPI Registry data.
- What is Marnie J. Marker's NPI number?
- 1013978220. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marnie J. Marker works
Medicare's Facility Affiliation Data lists Marnie J. Marker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnesville Hospital Association, IncBarnesville, OH · Critical Access Hospital · CCN 361321
- Reynolds Memorial Hospital, IncGlen Dale, WV · Acute Care Hospital · CCN 510013
- Trinity Medical Center East &Trinity Medical Center WestSteubenville, OH · Acute Care Hospital · CCN 360211
- Wetzel County HospitalNew Martinsville, WV · Acute Care Hospital · CCN 510072
- Wheeling Hospital, IncWheeling, WV · Acute Care Hospital · CCN 510050
Practice locations
Addresses where Marnie J. Marker is enrolled with Medicare (CMS data updated 2026-10-02).
- 103 Plaza Dr, Suite GSaint Clairsville, OH 43950 (304) 242‑7751
- 58 16th St, Suite 500Wheeling, WV 26003 (304) 242‑7751
Group practices
Medicare enrollment lists Marnie J. Marker as a member of this group (CMS data updated 2026-10-02).
- Nephrology Associates, Inc6 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013978220 |
| 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