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Physician Assistant

Alexander G. Zannella, PA

Works at hospitals in Hartford, CT · Connecticut

Summary

Alexander G. Zannella, PA is a physician assistant at 1000 Asylum Ave, Suite 1075, Hartford, CT 06105. Phone: (860) 714-4327. Accepts Medicare assignment. In 2024, Alexander G. Zannella had 59 Original Medicare patients and 67 services. NPI 1447738869. 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 Alexander G. Zannella, 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 Alexander G. Zannella accept Medicare assignment?
Yes. Medicare's clinician data says Alexander G. Zannella 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 Alexander G. Zannella see?
In 2024, CMS data shows 59 Original Medicare patients and 67 services for Alexander G. Zannella. This counts Original Medicare only and measures volume, not quality.
What is Alexander G. Zannella's NPI number?
1447738869. 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 Alexander G. Zannella, 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 patients59
Services billed to Medicare67
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)32 services
  2. Replacement of thigh bone and hip joint with prosthesis (27130)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%
  • Arthritis75%
  • Anxiety37%
  • Ischemic heart disease36%
  • Diabetes34%

Hospitals where Alexander G. Zannella works

Medicare's Facility Affiliation Data lists Alexander G. Zannella 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.

Practice locations

Addresses where Alexander G. Zannella is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexander G. Zannella as a member of these groups (CMS data updated October 2, 2026).

  • Trinity Health of New England Provider Network Organization Inc653 clinicians in the group
  • Advanced Orthopedics New England20 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Connecticut →

Other physician assistants in Hartford

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

All physician assistants in Hartford →

Other clinicians in Trinity Health of New England Provider Network Organization Inc

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

Clinician information

CredentialPA
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447738869
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