Quick answers
- Does Mariya Apostolova accept Medicare assignment?
- Yes. Medicare's clinician data says Mariya Apostolova 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 Mariya Apostolova see?
- In 2024, CMS data shows 198 Original Medicare patients and 18,390 services for Mariya Apostolova. This counts Original Medicare only and measures volume, not quality.
- What is Mariya Apostolova's NPI number?
- 1649408477. 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 Mariya Apostolova, 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 | 198 |
|---|---|
| Services billed to Medicare | 18,390 |
| Different services or procedures | 82 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, methylprednisolone sodium succinate, 5 mg (J2919)625 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)280 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)117 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)73 services
- Injection of additional new drug or substance into vein (96375)57 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%
- Arthritis49%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
- Chronic kidney disease39%
- Diabetes37%
Hospitals where Mariya Apostolova works
Medicare's Facility Affiliation Data lists Mariya Apostolova 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.
- Akron General Medical CenterAkron, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360027
- Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
- Geisinger Medical CenterDanville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390006
- Reynolds Memorial Hospital, IncGlen Dale, WV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 510013
- Wetzel County HospitalNew Martinsville, WV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 510072
Practice locations
Addresses where Mariya Apostolova is enrolled with Medicare (CMS data updated October 2, 2026).
- 224 W Exchange StAkron, OH 44302 (330) 344‑8523
- 800 Wheeling AveGlen Dale, WV 26038 (304) 843‑3310
- 901 Jefferson AveGlen Dale, WV 26038 (304) 842‑3302
Group practices
Medicare enrollment lists Mariya Apostolova as a member of these groups (CMS data updated October 2, 2026).
- Cleveland Clinic7,090 clinicians in the group
- Reynolds Memorial Hospital, Inc153 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Akron
Clinicians with the same Medicare primary specialty in Akron, OH — not a recommendation.
Other clinicians in Cleveland Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649408477 |
| 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