Quick answers
- Which hospitals does Karen Ernst work at?
- Medicare's official clinician data lists Karen Ernst at 1 hospital: Samaritan Hospital of Troy, New York. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen Ernst see patients?
- Medicare's clinician data lists 7 practice locations, including Wappingers Falls, NY, Poughkeepsie, NY and New Rochelle, NY. Call before your visit to confirm the address.
- What is Karen Ernst's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Karen Ernst accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Ernst 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 Karen Ernst?
- (845) 471-2848, as listed in official Medicare / NPI Registry data.
- What is Karen Ernst's NPI number?
- 1851386403. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen Ernst works
Medicare's Facility Affiliation Data lists Karen Ernst at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Samaritan Hospital of Troy, New YorkTroy, NY · Acute Care Hospital · CCN 330180
Practice locations
Addresses where Karen Ernst is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1323 Route 9, Suite 107Wappingers Falls, NY 12590 (845) 471‑2848
- 14 Raymond AvePoughkeepsie, NY 12603 (845) 471‑2848
- 175 Memorial HwyNew Rochelle, NY 10801 (914) 633‑7700
- 1783 Route 9, Suite 104Halfmoon, NY 12065 (518) 836‑2428
- 3 Emma LnClifton Park, NY 12065 (518) 785‑7373
Group practices
Medicare enrollment lists Karen Ernst as a member of these groups (CMS data updated 2026-10-02).
- Community Care Physicians PLLC368 clinicians in the group
- Hudson Valley Diagnostic Imaging PLLC16 clinicians in the group
- Capital Imaging Associates15 clinicians in the group
- Medical Diagnostic Imaging, PLLC14 clinicians in the group
- New Rochelle Radiology Associates PC13 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1991 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851386403 |
| 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