Mark C. Muetterties, MD

Medicare activity in 2024

Official CMS public-use data for Mark C. Muetterties, 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. Emergency department visit with high level of medical decision making (99285)736 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)609 services
3. Emergency department visit with moderate level of medical decision making (99284)172 services
4. Critical care, first 30-74 minutes (99291)154 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)31 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%
• Arthritis57%
• Anxiety54%
• Ischemic heart disease49%
• Depression43%

Hospitals where Mark C. Muetterties works

Medicare's Facility Affiliation Data lists Mark C. Muetterties 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.

• Southcoast Hospitals GroupFall River, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220074
• William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024

Practice locations

Addresses where Mark C. Muetterties is enrolled with Medicare (CMS data updated October 2, 2026).

• 326 Washington StNorwich, CT 06360 (860) 889‑8331
• 43 High StWareham, MA 02571 (508) 973‑7215

Group practices

Medicare enrollment lists Mark C. Muetterties as a member of these groups (CMS data updated October 2, 2026).

• The William W Backus Hospital249 clinicians in the group
• First Physicians Corporation28 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Connecticut →

Other emergency medicine doctors in Norwich

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

• David J. McCann, MD
• Marc Guttman, MD
• Patrick C. Flannery, DO
• Georgina Koutouzis, DO
• Julia Prokesova, MD
• Nathan A. Siegel, MD
• Jason Shapiro, MD
• Laura D. Rau, MD

All emergency medicine doctors in Norwich →

Other clinicians in The William W Backus Hospital

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

• Jennifer C. Telford, NP
• Emily Capozza
• David C. Klein
• David J. McCann, MD
• Marc Guttman, MD
• Jamie K. Gooch

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