Quick answers
- Which hospitals does Caren E. Greenstein work at?
- Medicare's official clinician data lists Caren E. Greenstein at 3 hospitals: Norwalk Hospital, St Joseph's Medical Center and White Plains Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Caren E. Greenstein see patients?
- Medicare's clinician data lists 3 practice locations, including Danbury, CT, Norwalk, CT and White Plains, NY. Call before your visit to confirm the address.
- What is Caren E. Greenstein's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Caren E. Greenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Caren E. Greenstein 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 Caren E. Greenstein?
- (203) 739-7532, as listed in official Medicare / NPI Registry data.
- What is Caren E. Greenstein's NPI number?
- 1811930910. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Caren E. Greenstein works
Medicare's Facility Affiliation Data lists Caren E. Greenstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Norwalk HospitalNorwalk, CT · Acute Care Hospital · CCN 070034
- St Joseph's Medical CenterYonkers, NY · Acute Care Hospital · CCN 330006
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · CCN 330304
Practice locations
Addresses where Caren E. Greenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 24 Hospital AveDanbury, CT 06810 (203) 739‑7532
- 34 Maple StNorwalk, CT 06850 (203) 748‑0834
- 41 E Post RdWhite Plains, NY 10601 (914) 681‑0600
Group practices
Medicare enrollment lists Caren E. Greenstein as a member of these groups (CMS data updated 2026-10-02).
- East Post Road Medical Services PC429 clinicians in the group
- Premier Imaging LLC46 clinicians in the group
- Danbury Radiological Associates, PC37 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Danbury
Clinicians with the same Medicare primary specialty in Danbury, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811930910 |
| 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