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Emergency Medicine

Vivian Weinberger, DO

Works at hospitals in Norwich, CT · Connecticut

Summary

Dr. Vivian Weinberger, DO is an emergency medicine doctor at 326 Washington St, Norwich, CT 06360. Phone: (860) 889-8331. Accepts Medicare assignment. In 2024, Vivian Weinberger had 254 Original Medicare patients and 284 services. NPI 1538279203. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 326 Washington St, Norwich, CT 06360 · Directions
  • Phone: (860) 889‑8331
  • Medicare: Accepts Medicare assignment
  • Hospital: William W Backus Hospital
  • Group practice: The William W Backus Hospital
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 1982 (44 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Vivian Weinberger, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Vivian Weinberger accept Medicare assignment?
Yes. Medicare's clinician data says Vivian Weinberger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Vivian Weinberger see?
In 2024, CMS data shows 254 Original Medicare patients and 284 services for Vivian Weinberger. This counts Original Medicare only and measures volume, not quality.
What is Vivian Weinberger's NPI number?
1538279203. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Vivian Weinberger, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients254
Services billed to Medicare284
Different services or procedures18
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)152 services
  2. Emergency department visit with moderate level of medical decision making (99284)77 services
  3. Critical care, first 30-74 minutes (99291)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Anxiety52%
  • Arthritis51%
  • Ischemic heart disease50%
  • Diabetes44%

Hospitals where Vivian Weinberger works

Medicare's Facility Affiliation Data lists Vivian Weinberger at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024

Practice locations

Addresses where Vivian Weinberger is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vivian Weinberger as a member of this group (CMS data updated October 2, 2026).

  • The William W Backus Hospital249 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Connecticut →

Other emergency medicine doctors in Norwich

Clinicians with the same Medicare primary specialty in Norwich, CT — not a recommendation.

All emergency medicine doctors in Norwich →

Other clinicians in The William W Backus Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1982 (44 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538279203
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians