Quick answers
- Does Charles S. Lemasters Ii accept Medicare assignment?
- Yes. Medicare's clinician data says Charles S. Lemasters Ii 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 Charles S. Lemasters Ii see?
- In 2024, CMS data shows 132 Original Medicare patients and 1,033 services for Charles S. Lemasters Ii. This counts Original Medicare only and measures volume, not quality.
- What is Charles S. Lemasters Ii's NPI number?
- 1225361801. 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 Charles S. Lemasters Ii, 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 | 132 |
|---|---|
| Services billed to Medicare | 1,033 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)427 services
- Aspiration and/or injection of fluid from large joint (20610)103 services
- Replacement of knee joint, both sides of knee (27447)27 services
- Replacement of thigh bone and hip joint with prosthesis (27130)15 services
- Hyaluronan or derivative, gel-one, for intra-articular injection, per dose (J7326)14 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%
- Arthritis75%
- Anxiety37%
- Diabetes36%
- Ischemic heart disease36%
Hospitals where Charles S. Lemasters Ii works
Medicare's Facility Affiliation Data lists Charles S. Lemasters Ii 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.
- Trinity Medical Center East &Trinity Medical Center WestSteubenville, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360211
Practice locations
Addresses where Charles S. Lemasters Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 107 Main StWintersville, OH 43953 (740) 264‑1656
- 4100 Johnson RdSteubenville, OH 43952
Group practices
Medicare enrollment lists Charles S. Lemasters Ii as a member of this group (CMS data updated October 2, 2026).
- Trinity West148 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wintersville
Clinicians with the same Medicare primary specialty in Wintersville, OH — not a recommendation.
Other clinicians in Trinity West
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225361801 |
| 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