Quick answers
- Does Zachary O. Bosley accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary O. Bosley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zachary O. Bosley see?
- In 2024, CMS data shows 774 Original Medicare patients and 1,828 services for Zachary O. Bosley. This counts Original Medicare only and measures volume, not quality.
- What is Zachary O. Bosley's NPI number?
- 1952717571. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zachary O. Bosley, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 774 |
|---|---|
| Services billed to Medicare | 1,828 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)663 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)277 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)164 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)123 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)110 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Anxiety47%
- Ischemic heart disease43%
- Diabetes39%
Hospitals where Zachary O. Bosley works
Medicare's Facility Affiliation Data lists Zachary O. Bosley at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Holzer Medical CenterGallipolis, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360054
- Holzer Medical Center JacksonJackson, OH · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 361320
- Rivers HealthPoint Pleasant, WV · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 510012
Practice locations
Addresses where Zachary O. Bosley is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 100 Jackson PikeGallipolis, OH 45631 (740) 446‑5050
- 140 Jenkins Memorial RdWellston, OH 45692 (740) 384‑2167
- 142 Jenkins Memorial RdWellston, OH 45692 (740) 384‑2119
- 2111 E State St, Suite 250Athens, OH 45701 (740) 589‑3100
- 2131 E State StAthens, OH 45701 (740) 589‑3100
Group practices
Medicare enrollment lists Zachary O. Bosley as a member of this group (CMS data updated October 2, 2026).
- Holzer Clinic LLC269 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Gallipolis
Clinicians with the same Medicare primary specialty in Gallipolis, OH — not a recommendation.
Other clinicians in Holzer Clinic LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952717571 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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