Quick answers
- Does Victoria Greyslak accept Medicare assignment?
- Yes. Medicare's clinician data says Victoria Greyslak 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 Victoria Greyslak see?
- In 2024, CMS data shows 511 Original Medicare patients and 751 services for Victoria Greyslak. This counts Original Medicare only and measures volume, not quality.
- What is Victoria Greyslak's NPI number?
- 1295363638. 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 Victoria Greyslak, 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 | 511 |
|---|---|
| Services billed to Medicare | 751 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)339 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)186 services
- Critical care, first 30-74 minutes (99291)93 services
- Emergency department visit with moderate level of medical decision making (99284)80 services
- Emergency department visit with low level of medical decision making (99283)11 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%
- Arthritis66%
- Ischemic heart disease42%
- Chronic kidney disease42%
- Diabetes41%
Hospitals where Victoria Greyslak works
Medicare's Facility Affiliation Data lists Victoria Greyslak 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.
- HMHP St Elizabeth Boardman Health CenterBoardman, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360276
- MH St Elizabeth Youngstown HospitalYoungstown, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360064
- MH St Joseph Warren HospitalWarren, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360161
Practice locations
Addresses where Victoria Greyslak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1044 Belmont AveYoungstown, OH 44504 (240) 686‑2300
- 1950 Niles Cortland Rd NEWarren, OH 44483 (330) 856‑4151
- 6252 Mahoning AveAustintown, OH 44515 (240) 686‑2300
- 667 Eastland Ave SEWarren, OH 44484 (330) 841‑4000
- 8401 Market StBoardman, OH 44512 (240) 686‑2300
Group practices
Medicare enrollment lists Victoria Greyslak as a member of these groups (CMS data updated October 2, 2026).
- Mves Boardman LLC34 clinicians in the group
- 4M Emergency Systems LLC29 clinicians in the group
- Mahoning Valley Emergency Specialists LLC26 clinicians in the group
- Mves Austintown LLC26 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Youngstown
Clinicians with the same Medicare primary specialty in Youngstown, OH — not a recommendation.
Other clinicians in Mves Boardman LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295363638 |
| 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