Quick answers
- Does Donald W. Mazur accept Medicare assignment?
- Yes. Medicare's clinician data says Donald W. Mazur 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 Donald W. Mazur see?
- In 2024, CMS data shows 416 Original Medicare patients and 7,507 services for Donald W. Mazur. This counts Original Medicare only and measures volume, not quality.
- What is Donald W. Mazur's NPI number?
- 1477564276. 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 Donald W. Mazur, 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 | 416 |
|---|---|
| Services billed to Medicare | 7,507 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (J7329)6,100 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)355 services
- Aspiration and/or injection of fluid from large joint (20610)276 services
- X-ray of knee, 4 or more views (73564)181 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)143 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 cholesterol75%
- Arthritis75%
- High blood pressure61%
- Ischemic heart disease27%
- Anxiety21%
- Diabetes19%
Hospitals where Donald W. Mazur works
Medicare's Facility Affiliation Data lists Donald W. Mazur 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.
- Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
- Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
- Physicians Care Surgical HospitalRoyersford, PA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 390324
- St Luke's Miners Memorial HospitalCoaldale, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390183
Practice locations
Addresses where Donald W. Mazur is enrolled with Medicare (CMS data updated October 2, 2026).
- 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
- 201 2nd AveCollegeville, PA 19426 (610) 489‑7703
- 321 N Furnace StBirdsboro, PA 19508 (610) 582‑2250
- 400 Enterprise Dr, Fl 2Limerick, PA 19468 (800) 321‑9999
- 688 Downingtown PikeWest Chester, PA 19380 (484) 787‑0200
Group practices
Medicare enrollment lists Donald W. Mazur as a member of these groups (CMS data updated October 2, 2026).
- Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
- Keystone Rehabilitation Systems Inc776 clinicians in the group
- Novacare Outpatient Rehabilitation East, Inc.503 clinicians in the group
- Reconstructive Orthopaedic Associates II LLC281 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Cranberry Twp
Clinicians with the same Medicare primary specialty in Cranberry Twp, PA — not a recommendation.
Other clinicians in Phoenix Rehabilitation and Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477564276 |
| 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