Irina Gagua, MD

Medicare activity in 2024

Official CMS public-use data for Irina Gagua, 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 high level of medical decision making, if using time, 40 minutes or more (99215)43 services
2. 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)30 services
3. Insertion of needle into vein for collection of blood sample (36415)28 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)28 services
5. Blood test, comprehensive group of blood chemicals (80053)21 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%
• Arthritis48%
• Anxiety30%
• Chronic kidney disease25%
• Ischemic heart disease20%

Hospitals where Irina Gagua works

Medicare's Facility Affiliation Data lists Irina Gagua 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.

• Ascension Saint Thomas HospitalNashville, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440082
• Vanderbilt University Medical CenterNashville, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 440039

Practice locations

Addresses where Irina Gagua is enrolled with Medicare (CMS data updated October 2, 2026).

• 4230 Harding Pike, Suite 500Nashville, TN 37205 (629) 255‑2155

Group practices

Medicare enrollment lists Irina Gagua as a member of this group (CMS data updated October 2, 2026).

• Heritage Medical Associates PC164 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Tennessee →

Other internal medicine doctors in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

• William H. Maynard, MD
• Jacob Delalla, MD
• Arun K. Raman, MD
• Michael G. Olive, MD
• Barima Poku
• Katherine Cahill, MD
• Autumn D. Kalu
• Daniel M. Cottrell, MD

All internal medicine doctors in Nashville →

Other clinicians in Heritage Medical Associates PC

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

• Michael G. Olive, MD
• Stacey A. Stroud, PA
• Elsia J. Yoo, DO
• Andrew R. Alsentzer, MD
• James C. Wilson, MD
• David Greeson, 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