Quick answers
- Which hospitals does Mary K. Timney work at?
- Medicare's official clinician data lists Mary K. Timney at 2 hospitals: Holzer Medical Center and Holzer Medical Center Jackson. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary K. Timney see patients?
- Medicare's clinician data lists 2 practice locations, including Gallipolis, OH and Jackson, OH. Call before your visit to confirm the address.
- What is Mary K. Timney's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mary K. Timney accept Medicare assignment?
- Yes. Medicare's clinician data says Mary K. Timney 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 Mary K. Timney?
- (740) 446-5050, as listed in official Medicare / NPI Registry data.
- What is Mary K. Timney's NPI number?
- 1154068583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary K. Timney works
Medicare's Facility Affiliation Data lists Mary K. Timney at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Holzer Medical CenterGallipolis, OH · Acute Care Hospital · CCN 360054
- Holzer Medical Center JacksonJackson, OH · Critical Access Hospital · CCN 361320
Practice locations
Addresses where Mary K. Timney is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Jackson PikeGallipolis, OH 45631 (740) 446‑5050
- 500 Burlington RdJackson, OH 45640 (740) 395‑8420
Group practices
Medicare enrollment lists Mary K. Timney as a member of this group (CMS data updated 2026-10-02).
- Holzer Clinic LLC269 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Gallipolis
Clinicians with the same Medicare primary specialty in Gallipolis, OH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154068583 |
| 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