Katharine A. Callaghan, MD

Medicare activity in 2024

Official CMS public-use data for Katharine A. Callaghan, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)33 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)31 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)18 services
4. Insertion of needle into vein for collection of blood sample (36415)15 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 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 pressure73%
• High cholesterol48%
• Diabetes40%
• Arthritis36%
• Anxiety34%
• Ischemic heart disease30%

Hospitals where Katharine A. Callaghan works

Medicare's Facility Affiliation Data lists Katharine A. Callaghan 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.

• Memorial Hospital of South BendSouth Bend, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150058

Practice locations

Addresses where Katharine A. Callaghan is enrolled with Medicare (CMS data updated October 2, 2026).

• 714 N Michigan St, Beacon Medical Group E Blair WarnerSouth Bend, IN 46601 (574) 647‑7477

Group practices

Medicare enrollment lists Katharine A. Callaghan as a member of this group (CMS data updated October 2, 2026).

• Beacon Medical Group Inc589 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Indiana →

Other family doctors in South Bend

Clinicians with the same Medicare primary specialty in South Bend, IN — not a recommendation.

• Kevin R. Ericson, MD
• Emily Rae R. Singh, MD
• Bethany L. McDaniel-Vanderzwaag, MD
• Justin M. Leugers, MD
• Anthony Vida, MD
• Michelle A. Thompson, MD
• Kelsey Perry, MD
• Drew E. Schmucker, MD

All family doctors in South Bend →

Other clinicians in Beacon Medical Group Inc

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

• Nadia N. Bowling, MD
• Rebecca R. McKown, MD
• Scott D. Hurley, MD
• Cody Seamons, CNA
• Kamran Javaid, MD
• Lyn M. Stevens, NP

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