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Pulmonary Disease

Zachary Harris, MD

Sees patients in North Haven, CT · Connecticut

Summary

Dr. Zachary Harris, MD is a pulmonologist at 6 Devine St, North Haven, CT 06473. Phone: (203) 287-6100. Accepts Medicare assignment. In 2024, Zachary Harris had 20 Original Medicare patients and 44 services. NPI 1588074637. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pulmonologist (Medicare lists Pulmonary Disease)
  • Address: 6 Devine St, North Haven, CT 06473 · Directions
  • Phone: (203) 287‑6100
  • Medicare: Accepts Medicare assignment
  • Group practice: Yale University
  • Medical school: Tulane University School Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary Harris, 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 Zachary Harris accept Medicare assignment?
Yes. Medicare's clinician data says Zachary Harris 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 Zachary Harris see?
In 2024, CMS data shows 20 Original Medicare patients and 44 services for Zachary Harris. This counts Original Medicare only and measures volume, not quality.
What is Zachary Harris's NPI number?
1588074637. 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 Zachary Harris, 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 patients20
Services billed to Medicare44
Different services or procedures11
Participating Medicare providerYes
Average age of these patients73

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%
  • COPD75%
  • Heart failure60%
  • Ischemic heart disease55%
  • Chronic kidney disease55%

Practice locations

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

Group practices

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

  • Yale University2,645 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Connecticut →

Other pulmonologists in North Haven

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

All pulmonologists in North Haven →

Other clinicians in Yale University

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588074637
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians