Quick answers
- Which hospitals does Michael C. Ruddy work at?
- Medicare's official clinician data lists Michael C. Ruddy at 1 hospital: University Medical Center of Princeton at Plainsboro. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael C. Ruddy see patients?
- Medicare's clinician data lists 1 practice location in Princeton Junction, NJ. Call before your visit to confirm the address.
- What is Michael C. Ruddy's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Michael C. Ruddy accept Medicare assignment?
- Yes. Medicare's clinician data says Michael C. Ruddy 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.
- Does Michael C. Ruddy offer telehealth?
- Medicare's clinician data says Michael C. Ruddy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael C. Ruddy?
- (609) 750-7330, as listed in official Medicare / NPI Registry data.
- What is Michael C. Ruddy's NPI number?
- 1831138015. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael C. Ruddy works
Medicare's Facility Affiliation Data lists Michael C. Ruddy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ · Acute Care Hospital · CCN 310010
Practice locations
Addresses where Michael C. Ruddy is enrolled with Medicare (CMS data updated 2026-10-02).
- 88 Princeton Hightstown RdPrinceton Junction, NJ 08550 (609) 750‑7330
Group practices
Medicare enrollment lists Michael C. Ruddy as a member of this group (CMS data updated 2026-10-02).
- Princeton Hypertension-Nephrology Associates L L C7 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831138015 |
| 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