Quick answers
- Does Roselyne M. Knopf accept Medicare assignment?
- Medicare's clinician data says Roselyne M. Knopf may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Roselyne M. Knopf see?
- In 2024, CMS data shows 176 Original Medicare patients and 509 services for Roselyne M. Knopf. This counts Original Medicare only and measures volume, not quality.
- What is Roselyne M. Knopf's NPI number?
- 1033406715. 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 Roselyne M. Knopf, 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 | 176 |
|---|---|
| Services billed to Medicare | 509 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)175 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)138 services
- Hospital discharge day management, more than 30 minutes (99239)62 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)56 services
- Hospital discharge day management, 30 minutes or less (99238)24 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%
- Arthritis68%
- Anxiety52%
- Ischemic heart disease51%
- Diabetes48%
Hospitals where Roselyne M. Knopf works
Medicare's Facility Affiliation Data lists Roselyne M. Knopf 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.
- Camc Greenbrier Valley Medical Center, IncRonceverte, WV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 510002
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 510022
- Marietta Memorial HospitalMarietta, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360147
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085
- Selby General HospitalMarietta, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361319
Practice locations
Addresses where Roselyne M. Knopf is enrolled with Medicare (CMS data updated October 2, 2026).
- 1320 Maplewood AveRonceverte, WV 24970 (304) 647‑4411
- 401 Matthew StMarietta, OH 45750
Group practices
Medicare enrollment lists Roselyne M. Knopf as a member of these groups (CMS data updated October 2, 2026).
- Marietta Memorial Hospital392 clinicians in the group
- Camc Greenbrier Valley Medical Center Inc84 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Ronceverte
Clinicians with the same Medicare primary specialty in Ronceverte, WV — not a recommendation.
Other clinicians in Marietta Memorial Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1033406715 |
| 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