Quick answers
- Which hospitals does Ryan A. Gruner work at?
- Medicare's official clinician data lists Ryan A. Gruner at 1 hospital: Cooper University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan A. Gruner see patients?
- Medicare's clinician data lists 1 practice location in Camden, NJ. Call before your visit to confirm the address.
- What is Ryan A. Gruner's specialty?
- Medicare lists Surgical Oncology as the primary specialty, and also General Surgery.
- Does Ryan A. Gruner accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan A. Gruner 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 Ryan A. Gruner?
- (856) 342-2000, as listed in official Medicare / NPI Registry data.
- What is Ryan A. Gruner's NPI number?
- 1952665465. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan A. Gruner works
Medicare's Facility Affiliation Data lists Ryan A. Gruner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cooper University HospitalCamden, NJ · Acute Care Hospital · CCN 310014
Practice locations
Addresses where Ryan A. Gruner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Cooper PlzCamden, NJ 08103 (856) 342‑2000
Group practices
Medicare enrollment lists Ryan A. Gruner as a member of this group (CMS data updated 2026-10-02).
- Cooper Surgical Associates, PA305 clinicians in the group
Specialties
- Surgical Oncologyprimary
- General Surgeryalso
Other surgical oncologists in Camden
Clinicians with the same Medicare primary specialty in Camden, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952665465 |
| 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 2026-10-02, retrieved 2026-10-29
- 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