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Internal Medicine

Maria A. Passaro-Henry, MD

Sees patients in Plainville, CT · Connecticut

Summary

Dr. Maria A. Passaro-Henry, MD is an internal medicine doctor at 17 Farmington Ave, Plainville, CT 06062. Phone: (203) 536-6274. Accepts Medicare assignment. In 2024, Maria A. Passaro-Henry had 21 Original Medicare patients and 1,040 services. NPI 1144250630. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 17 Farmington Ave, Plainville, CT 06062 · Directions
  • Phone: (203) 536‑6274
  • Medicare: Accepts Medicare assignment
  • Medical school: Albert Einstein College Of Medicine Of Yeshiva University · graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maria A. Passaro-Henry, 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 Maria A. Passaro-Henry accept Medicare assignment?
Yes. Medicare's clinician data says Maria A. Passaro-Henry 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 Maria A. Passaro-Henry see?
In 2024, CMS data shows 21 Original Medicare patients and 1,040 services for Maria A. Passaro-Henry. This counts Original Medicare only and measures volume, not quality.
What is Maria A. Passaro-Henry's NPI number?
1144250630. 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 Maria A. Passaro-Henry, 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 patients21
Services billed to Medicare1,040
Different services or procedures7
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Infusion into a vein for therapy, prevention, or diagnosis, each additional hour (96366)389 services
  2. Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)198 services
  3. Refilling and maintenance of portable pump (96521)198 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)198 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)19 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%
  • Diabetes75%
  • Chronic kidney disease75%

Practice locations

Addresses where Maria A. Passaro-Henry is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Plainville

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

All internal medicine doctors in Plainville →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144250630
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