Arthur G. Dsouza, MD

Medicare activity in 2024

Official CMS public-use data for Arthur G. Dsouza, 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.

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)134 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)117 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)64 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)49 services
5. Administration of influenza virus vaccine (G0008)26 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 pressure74%
• Arthritis46%
• Diabetes26%
• Ischemic heart disease23%
• Anxiety20%

Hospitals where Arthur G. Dsouza works

Medicare's Facility Affiliation Data lists Arthur G. Dsouza 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.

• Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033
• Norwalk HospitalNorwalk, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070034

Practice locations

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

• 20 Old Ridgefield RdWilton, CT 06897

Specialties

• Internal Medicineprimary
• Gastroenterologyalso

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Wilton

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

• Chelsea M. Smith, MD
• Alan M. Radin, MD
• Amara Shafi, MD
• Caroline Andrew, MD
• Craig D. Serin, MD
• Jeremiah J. Lewis, MD
• Kenneth Cheung, DO
• Yumi Koh, DO

All internal medicine doctors in Wilton →

Clinician information

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