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Family Practice

Cristina M. Mallozzi, MD

Works at hospitals in Greenwich, CT · Stamford, CT · Connecticut

Summary

Dr. Cristina M. Mallozzi, MD is a family doctor at 1 Hospital Plz, Stamford, CT 06902. Phone: (203) 276-1000. Accepts Medicare assignment. In 2024, Cristina M. Mallozzi had 298 Original Medicare patients and 755 services. NPI 1700312451. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1 Hospital Plz, Stamford, CT 06902 · Directions (5 more locations)
  • Phone: (203) 276‑1000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Greenwich Hospital Association -, Stamford Hospital
  • Group practice: Stamford Health Medical Group Inc (+1 more)
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Cristina M. Mallozzi, 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 Cristina M. Mallozzi accept Medicare assignment?
Yes. Medicare's clinician data says Cristina M. Mallozzi 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 Cristina M. Mallozzi see?
In 2024, CMS data shows 298 Original Medicare patients and 755 services for Cristina M. Mallozzi. This counts Original Medicare only and measures volume, not quality.
What is Cristina M. Mallozzi's NPI number?
1700312451. 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 Cristina M. Mallozzi, 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 patients298
Services billed to Medicare755
Different services or procedures33
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)355 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)111 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)40 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)36 services
  5. Administration of influenza virus vaccine (G0008)31 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%
  • Arthritis48%
  • Ischemic heart disease32%
  • Diabetes28%
  • Atrial fibrillation23%

Hospitals where Cristina M. Mallozzi works

Medicare's Facility Affiliation Data lists Cristina M. Mallozzi 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
  • Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where Cristina M. Mallozzi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Cristina M. Mallozzi as a member of these groups (CMS data updated October 2, 2026).

  • Stamford Health Medical Group Inc444 clinicians in the group
  • Optimus Health Care Inc79 clinicians in the group

Specialties

Find other Family Practice doctors in Connecticut →

Other family doctors in Stamford

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

All family doctors 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
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1700312451
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