Quick answers
- Where does Mark Castaldi see patients?
- Medicare's clinician data lists 15 practice locations, including Millburn, NJ, Middletown, NJ and Denville, NJ. Call before your visit to confirm the address.
- What is Mark Castaldi's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark Castaldi accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Castaldi 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 Mark Castaldi?
- (973) 376-0900, as listed in official Medicare / NPI Registry data.
- What is Mark Castaldi's NPI number?
- 1447275185. 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 Mark Castaldi is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 15; the Medicare profile lists all.
- 120 Millburn Ave, Suite 101Millburn, NJ 07041 · Center for Advanced Imaging LLC (973) 376‑0900
- 1275 State Route 35Middletown, NJ 07748 · Middletown Ventures Associates LLC (732) 275‑0999
- 161 E Main St, Imagecare at Denville DiagnosticsDenville, NJ 07834 (973) 586‑1212
- 222 High St, Suite 101Newton, NJ 07860 · Radiologic Associates of Northern New Jersey, PA (973) 383‑1280
- 332 Dekalb AveBrooklyn, NY 11205 (718) 852‑5252
Group practices
Medicare enrollment lists Mark Castaldi as a member of these groups (CMS data updated 2026-10-02).
- Prominis Medical Services PC47 clinicians in the group
- Newton Imaging P.A.41 clinicians in the group
- Denville Diagnostics Imaging and Open Mri LLC39 clinicians in the group
- West Orange Radiology LLC36 clinicians in the group
- Open Mri Radiology LLC35 clinicians in the group
- Radiology Associates of Hackettstown LLC35 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Millburn
Clinicians with the same Medicare primary specialty in Millburn, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447275185 |
| 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