William J. Symons, MD

Medicare activity in 2024

Official CMS public-use data for William J. Symons, 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. Removal of skin and tissue, 20.0 sq cm or less (11042)136 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)115 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)79 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)56 services
5. Critical care, first 30-74 minutes (99291)53 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%
• Arthritis53%
• Ischemic heart disease38%
• Diabetes33%
• Anxiety32%

Hospitals where William J. Symons works

Medicare's Facility Affiliation Data lists William J. Symons 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.

• Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
• Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

Addresses where William J. Symons is enrolled with Medicare (CMS data updated October 2, 2026).

• 29 Hospital Plz, Suite 603Stamford, CT 06902 (203) 276‑5959

Group practices

Medicare enrollment lists William J. Symons as a member of this group (CMS data updated October 2, 2026).

• Stamford Health Medical Group Inc444 clinicians in the group

Specialties

• Critical Care (Intensivists)primary
• General Surgeryalso

Find other Critical Care (Intensivists) doctors in Connecticut →

Other critical care doctors in Connecticut

Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.

• Kevin M. Dwyer, MD
• Leonard L. Comeau, MD
• Fatima Zeba, MD
• Himanshu Rawal, MD
• Jonathan S. Mendelson, MD
• Astha Chichra, MD
• Kathy J. Kalkbrenner, MD
• Alexander Fleming-Nouri, MD

All critical care doctors in Connecticut →

Other clinicians in Stamford Health Medical Group Inc

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

• Danielle L. Boswell
• Paul W. Huang, MD
• Tzivia R. Moreen, MD
• Jamie A. Stratton, MD
• Naomi Steinfeld, PA
• Nicole Gendreau

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