Alexander C. Gatzimos, MD

Medicare activity in 2024

Official CMS public-use data for Alexander C. Gatzimos, 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)322 services
2. Blood glucose (sugar) test performed by hand-held instrument (82962)262 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)193 services
4. Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month (99491)166 services
5. Insertion of needle into vein for collection of blood sample (36415)159 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%
• COPD53%
• Arthritis51%
• Anxiety47%
• Chronic kidney disease40%

Hospitals where Alexander C. Gatzimos works

Medicare's Facility Affiliation Data lists Alexander C. Gatzimos 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
• Northwest Health - StarkeKnox, IN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 150102
• Saint Joseph Regional Medical CenterMishawaka, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150012

Practice locations

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

• 212 W Edison Rd, Suite BMishawaka, IN 46545 (574) 222‑2359

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Mishawaka

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

• Clive L. Alonzo, MD
• Habeeb O. Sanni, MD
• Sylvana Atallah, MD
• Rabia Mohammad, MD
• Ahmed Abdelhalim, MD
• Dahan H. Al Fadhl, MD
• Hamza Hanif, MD
• Halyna Prokopiv, MD

All internal medicine doctors in Mishawaka →

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