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Diagnostic Radiology

Mia Kazanjian, MD

Works at hospitals in Stamford, CT · Connecticut

Summary

Dr. Mia Kazanjian, MD is a radiologist at 1 Hospital Plz, Stamford, CT 06902. Phone: (203) 276-1000. Accepts Medicare assignment. In 2024, Mia Kazanjian had 889 Original Medicare patients and 1,874 services. NPI 1538456793. 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: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1 Hospital Plz, Stamford, CT 06902 · Directions (1 more location)
  • Phone: (203) 276‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Stamford Hospital
  • Group practice: Stamford Health Medical Group Inc (+1 more)
  • Medical school: Icahn School Of Medicine At Mount Sinai · graduated 2010 (16 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mia Kazanjian, 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 Mia Kazanjian accept Medicare assignment?
Yes. Medicare's clinician data says Mia Kazanjian 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 Mia Kazanjian see?
In 2024, CMS data shows 889 Original Medicare patients and 1,874 services for Mia Kazanjian. This counts Original Medicare only and measures volume, not quality.
What is Mia Kazanjian's NPI number?
1538456793. 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 Mia Kazanjian, 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 patients889
Services billed to Medicare1,874
Different services or procedures80
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Screening 3d breast mammography (77063)387 services
  2. Screening mammography (77067)387 services
  3. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)175 services
  4. Diagnostic mammography of 1 breast (77065)133 services
  5. X-ray of chest, 1 view (71045)112 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 pressure67%
  • Arthritis51%
  • Osteoporosis27%
  • Ischemic heart disease25%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)24%

Hospitals where Mia Kazanjian works

Medicare's Facility Affiliation Data lists Mia Kazanjian 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.

  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

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

Group practices

Medicare enrollment lists Mia Kazanjian as a member of these groups (CMS data updated October 2, 2026).

  • Stamford Health Medical Group Inc444 clinicians in the group
  • Stamford Health-Norwalk Radiology LLC16 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Connecticut →

Other radiologists in Stamford

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

All radiologists in Stamford →

Other clinicians in Stamford Health Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2010 (16 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538456793
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