Narayana Sarna Singam, MD

Medicare activity in 2024

Official CMS public-use data for Narayana Sarna Singam, 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. Critical care, first 30-74 minutes (99291)307 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)220 services
3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)178 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)42 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)30 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%
• Ischemic heart disease69%
• Heart failure66%
• Chronic kidney disease58%
• Diabetes57%

Hospitals where Narayana Sarna Singam works

Medicare's Facility Affiliation Data lists Narayana Sarna Singam 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.

• Frankfort Regional Medical CenterFrankfort, KY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 180127
• UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth HospitalLouisville, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180040

Practice locations

Addresses where Narayana Sarna Singam is enrolled with Medicare (CMS data updated October 2, 2026).

• 225 Abraham Flexner Way, Suite 305Louisville, KY 40202 (502) 585‑4321

Group practices

Medicare enrollment lists Narayana Sarna Singam as a member of this group (CMS data updated October 2, 2026).

• University of Louisville Physicians Inc1,445 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Kentucky →

Other cardiologists in Louisville

Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.

• Brian T. Beanblossom, MD
• Pradeep K. Singh, MD
• Vrinda Sardana, MD
• Craig L. Tucker, MD
• Sohail Ikram, MD
• Ibrahim Fahsah, MD
• Joseph A. Lash, MD
• Jishanth Mattumpuram

All cardiologists in Louisville →

Other clinicians in University of Louisville Physicians Inc

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

• Luis Marsano, MD
• Sonya C. Worthington, CNA
• Cesar L. Merino, MD
• Isaac Shaw, MD
• Hugh W. Shoff, MD
• Veronica Martinez, CNA

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