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Diagnostic Radiology

Kristin Elias, MD

Works at hospitals in Greenwich, CT · New York, NY · Stamford, CT · Connecticut, New York

Summary

Dr. Kristin Elias, MD is a radiologist at 49 Lake Ave, Greenwich, CT 06830. Phone: (203) 869-6220. Accepts Medicare assignment. In 2024, Kristin Elias had 1,455 Original Medicare patients and 3,809 services. NPI 1316142888. 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 Kristin Elias, 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 Kristin Elias accept Medicare assignment?
Yes. Medicare's clinician data says Kristin Elias 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 Kristin Elias see?
In 2024, CMS data shows 1,455 Original Medicare patients and 3,809 services for Kristin Elias. This counts Original Medicare only and measures volume, not quality.
What is Kristin Elias's NPI number?
1316142888. 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 Kristin Elias, 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 patients1,455
Services billed to Medicare3,809
Different services or procedures21
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Screening mammography (77067)1,166 services
  2. Screening 3d breast mammography (77063)1,163 services
  3. Complete ultrasound scan of 1 breast (76641)795 services
  4. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)204 services
  5. Diagnostic mammography of 1 breast (77065)170 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 cholesterol75%
  • High blood pressure51%
  • Arthritis44%
  • Osteoporosis33%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
  • Anxiety20%

Hospitals where Kristin Elias works

Medicare's Facility Affiliation Data lists Kristin Elias 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.

  • Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
  • Hospital for Special SurgeryNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 330270
  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

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

Group practices

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

  • Greenwich Radiological Group PC11 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Connecticut →

Other radiologists in Greenwich

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

All radiologists in Greenwich →

Other clinicians in Greenwich Radiological Group PC

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316142888
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