Quick answers
- Where does Roy Marcus see patients?
- Medicare's clinician data lists 1 practice location in Chester, PA. Call before your visit to confirm the address.
- What is Roy Marcus's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Roy Marcus accept Medicare assignment?
- Yes. Medicare's clinician data says Roy Marcus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Roy Marcus?
- (610) 872-8501, as listed in official Medicare / NPI Registry data.
- What is Roy Marcus's NPI number?
- 1245278084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Roy Marcus is enrolled with Medicare (CMS data updated 2026-10-02).
- 30 Medical Ctr Blvd, Suite 303Chester, PA 19013 (610) 872‑8501
Group practices
Medicare enrollment lists Roy Marcus as a member of this group (CMS data updated 2026-10-02).
- Clinical Renal Associates LLC33 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245278084 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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