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Medical Oncology

Ryan D. Stephenson, DO

Works at hospitals in New Brunswick, NJ · New Jersey

Summary

Ryan D. Stephenson, DO (Medical Oncology) is listed by Medicare at 1 hospital in New Brunswick, NJ. NPI 1427477918. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ryan D. Stephenson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
MaleGender (as listed)
Rutgers Health-Rwj Scleroderma ProgramGroup practice

Quick answers

Which hospitals does Ryan D. Stephenson work at?
Medicare's official clinician data lists Ryan D. Stephenson at 1 hospital: Robert Wood Johnson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ryan D. Stephenson see patients?
Medicare's clinician data lists 2 practice locations, including New Brunswick, NJ. Call before your visit to confirm the address.
What is Ryan D. Stephenson's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Hematology and Internal Medicine.
Does Ryan D. Stephenson accept Medicare assignment?
Yes. Medicare's clinician data says Ryan D. Stephenson 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 D. Stephenson?
(732) 828-3000, as listed in official Medicare / NPI Registry data.
What is Ryan D. Stephenson's NPI number?
1427477918. 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 D. Stephenson works

Medicare's Facility Affiliation Data lists Ryan D. Stephenson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ryan D. Stephenson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ryan D. Stephenson as a member of this group (CMS data updated 2026-10-02).

  • Rutgers Health-Rwj Scleroderma Program391 clinicians in the group

Specialties

Find other Medical Oncology doctors in New Jersey →

Other oncologists in New Brunswick

Clinicians with the same Medicare primary specialty in New Brunswick, NJ — not a recommendation.

All oncologists in New Brunswick →

Clinician information

CredentialDO
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427477918
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians