Quick answers
- Which hospitals does Douglas Ashinsky work at?
- Medicare's official clinician data lists Douglas Ashinsky at 4 hospitals: Morristown Medical Center, Overlook Medical Center, Robert Wood Johnson University Hospital - Somerset… and Robert Wood Johnson University Hospital at Rahway. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Douglas Ashinsky see patients?
- Medicare's clinician data lists 1 practice location in Warren, NJ. Call before your visit to confirm the address.
- What is Douglas Ashinsky's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Douglas Ashinsky accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas Ashinsky 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 Douglas Ashinsky offer telehealth?
- Medicare's clinician data says Douglas Ashinsky offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Douglas Ashinsky?
- (908) 222-7777, as listed in official Medicare / NPI Registry data.
- What is Douglas Ashinsky's NPI number?
- 1932175361. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Douglas Ashinsky works
Medicare's Facility Affiliation Data lists Douglas Ashinsky at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · CCN 310051
- Robert Wood Johnson University Hospital - Somerset…Somerville, NJ · Acute Care Hospital · CCN 310048
- Robert Wood Johnson University Hospital at RahwayRahway, NJ · Acute Care Hospital · CCN 310024
Practice locations
Addresses where Douglas Ashinsky is enrolled with Medicare (CMS data updated 2026-10-02).
- 8 Mountain Blvd, Suite GWarren, NJ 07059 (908) 222‑7777
Group practices
Medicare enrollment lists Douglas Ashinsky as a member of this group (CMS data updated 2026-10-02).
- RWJBH Primary Care Services267 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Warren
Clinicians with the same Medicare primary specialty in Warren, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1932175361 |
| 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