Quick answers
- Which hospitals does James Demos work at?
- Medicare's official clinician data lists James Demos at 2 hospitals: JFK University Medical Center and Raritan Bay Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Demos see patients?
- Medicare's clinician data lists 1 practice location in Old Bridge, NJ. Call before your visit to confirm the address.
- What is James Demos's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James Demos accept Medicare assignment?
- Yes. Medicare's clinician data says James Demos 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 James Demos?
- (732) 753-9890, as listed in official Medicare / NPI Registry data.
- What is James Demos's NPI number?
- 1457353872. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Demos works
Medicare's Facility Affiliation Data lists James Demos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- JFK University Medical CenterEdison, NJ · Acute Care Hospital · CCN 310108
- Raritan Bay Medical CenterPerth Amboy, NJ · Acute Care Hospital · CCN 310039
Practice locations
Addresses where James Demos is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Perrine Rd, Suite 324Old Bridge, NJ 08857 (732) 753‑9890
Group practices
Medicare enrollment lists James Demos as a member of this group (CMS data updated 2026-10-02).
- Hackensack Meridian Health Medical Group - Primary Care PC358 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Old Bridge
Clinicians with the same Medicare primary specialty in Old Bridge, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457353872 |
| 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