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Diagnostic Radiology

Stewart R. Berliner, MD

Works at hospitals in Derby, CT · Waterbury, CT · New Haven, CT · Connecticut

Summary

Dr. Stewart R. Berliner, MD is a radiologist at 134 Grandview Ave, Suite 101, Waterbury, CT 06708. Phone: (203) 262-6797. Accepts Medicare assignment. In 2024, Stewart R. Berliner had 1,613 Original Medicare patients and 4,841 services. NPI 1306801378. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Stewart R. Berliner, 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 Stewart R. Berliner accept Medicare assignment?
Yes. Medicare's clinician data says Stewart R. Berliner 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 Stewart R. Berliner see?
In 2024, CMS data shows 1,613 Original Medicare patients and 4,841 services for Stewart R. Berliner. This counts Original Medicare only and measures volume, not quality.
What is Stewart R. Berliner's NPI number?
1306801378. 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 Stewart R. Berliner, 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 patients1,613
Services billed to Medicare4,841
Different services or procedures122
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,140 services
  2. X-ray of chest, 1 view (71045)397 services
  3. Ct scan head or brain without contrast (70450)302 services
  4. X-ray of chest, 2 views (71046)264 services
  5. Screening 3d breast mammography (77063)243 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%
  • Arthritis54%
  • Ischemic heart disease40%
  • Anxiety37%
  • Diabetes36%

Hospitals where Stewart R. Berliner works

Medicare's Facility Affiliation Data lists Stewart R. Berliner 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.

  • Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
  • Uconn Health Waterbury HospitalWaterbury, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070005
  • Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022

Practice locations

Addresses where Stewart R. Berliner is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stewart R. Berliner as a member of these groups (CMS data updated October 2, 2026).

  • Diagnostic Radiology Associates LLC24 clinicians in the group
  • Valley Imaging Partners LLC6 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Connecticut →

Other radiologists in Waterbury

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

All radiologists in Waterbury →

Other clinicians in Diagnostic Radiology Associates LLC

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

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306801378
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