Sarah J. Chalmers, MD

Medicare activity in 2024

Official CMS public-use data for Sarah J. Chalmers, 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 moderate level of decision making, if using time, 30 minutes or more (99214)63 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)61 services
3. Critical care, first 30-74 minutes (99291)27 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 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 pressure66%
• COPD66%
• High cholesterol63%
• Arthritis45%
• Heart failure41%
• Chronic kidney disease38%

Hospitals where Sarah J. Chalmers works

Medicare's Facility Affiliation Data lists Sarah J. Chalmers 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.

• Mayo Clinic Health System in Red WingRed Wing, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240018
• Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240010

Practice locations

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

• 200 1st St SWRochester, MN 55905 (507) 284‑2511

Group practices

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

• Mayo Clinic4,956 clinicians in the group

Specialties

• Pulmonary Diseaseprimary

Find other Pulmonary Disease doctors in Minnesota →

Other pulmonologists in Rochester

Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.

• Mark A. Colantonio, MD
• Misbah Baqir, MD
• Sean Caples, DO
• Jay H. Ryu, MD
• Eva M. Carmona Porquera, MD
• Amos Lal
• Katherine Vandervest, MD
• Timothy R. Aksamit, MD

All pulmonologists in Rochester →

Other clinicians in Mayo Clinic

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

• Akeem R. Lewis, MD
• Muna A. Alimire
• Vi Nguyentran
• Debbie L. Fuehrer
• Meghan A. Cooper, DO
• Terence J. Meyerhoefer, MD

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