Quick answers
- Does Richard I. Zamarin accept Medicare assignment?
- Yes. Medicare's clinician data says Richard I. Zamarin 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 Richard I. Zamarin see?
- In 2024, CMS data shows 283 Original Medicare patients and 6,473 services for Richard I. Zamarin. This counts Original Medicare only and measures volume, not quality.
- What is Richard I. Zamarin's NPI number?
- 1902831423. 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 Richard I. Zamarin, 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 | 283 |
|---|---|
| Services billed to Medicare | 6,473 |
| Different services or procedures | 89 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)5,342 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)305 services
- Aspiration and/or injection of fluid from large joint (20610)148 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)96 services
- X-ray of knee, 3 views (73562)75 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%
- High blood pressure73%
- Arthritis72%
- Anxiety31%
- Diabetes29%
- Ischemic heart disease28%
Hospitals where Richard I. Zamarin works
Medicare's Facility Affiliation Data lists Richard I. Zamarin 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.
- Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222
Practice locations
Addresses where Richard I. Zamarin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1 Bartol Ave, Suite 100Ridley Park, PA 19078 (610) 521‑8970
- 1396 Wilmington PikeWest Chester, PA 19382 (610) 399‑1138
- 2004 Sproul Rd, Fl 1Broomall, PA 19008 (610) 353‑0800
- 201 2nd AveCollegeville, PA 19426 (610) 489‑7703
- 470 John Young Way, Suite 100Exton, PA 19341 (610) 363‑6589
Group practices
Medicare enrollment lists Richard I. Zamarin as a member of these groups (CMS data updated October 2, 2026).
- Novacare Outpatient Rehabilitation East, Inc.503 clinicians in the group
- Premier Orthopaedic and Sports Medicine Associates, Ltd216 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Ridley Park
Clinicians with the same Medicare primary specialty in Ridley Park, PA — not a recommendation.
Other clinicians in Novacare Outpatient Rehabilitation East, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahneman Medical College Of The Pacific |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902831423 |
| 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