Quick answers
- Does Paul A. Masci accept Medicare assignment?
- Yes. Medicare's clinician data says Paul A. Masci 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 Paul A. Masci see?
- In 2024, CMS data shows 446 Original Medicare patients and 228,885 services for Paul A. Masci. This counts Original Medicare only and measures volume, not quality.
- What is Paul A. Masci's NPI number?
- 1366408627. 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 Paul A. Masci, 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 | 446 |
|---|---|
| Services billed to Medicare | 228,885 |
| Different services or procedures | 146 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, nivolumab, 1 mg (J9299)27,020 services
- Injection, iron sucrose, 1 mg (J1756)24,200 services
- Injection, pembrolizumab, 1 mg (J9271)14,000 services
- Injection, fosaprepitant, 1 mg (J1453)9,600 services
- Injection, denosumab, 1 mg (J0897)3,480 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 pressure72%
- High cholesterol65%
- Arthritis47%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
- Chronic kidney disease34%
- Diabetes27%
Hospitals where Paul A. Masci works
Medicare's Facility Affiliation Data lists Paul A. Masci 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.
- Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
- Lodi Community HospitalLodi, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361303
- Medina HospitalMedina, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360091
- Mercy Medical CenterCanton, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360070
- Wooster Community HospitalWooster, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360036
Practice locations
Addresses where Paul A. Masci is enrolled with Medicare (CMS data updated October 2, 2026).
- 1740 Cleveland RdWooster, OH 44691 (330) 287‑4500
- 9500 Euclid AveCleveland, OH 44195 (216) 444‑2200
Group practices
Medicare enrollment lists Paul A. Masci as a member of these groups (CMS data updated October 2, 2026).
- Cleveland Clinic7,090 clinicians in the group
- Wooster Clinic LLC299 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Cleveland Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366408627 |
| 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