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Compare the published Medicare service mix of Narayana Sarma Venkata Singam, MD with clinicians in the same registry specialty: Cardiovascular Disease.

LOUISVILLE, KY · Exact areaEdit location

2024 published service data · 70 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Shahab Ghafghazi, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
76%Service-mix similarityView profile →

Jishanth Mattumpuram, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
72%Service-mix similarityView profile →

Logan Mark Eberly, M.D.

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)
61%Service-mix similarityView profile →

Marcus F. Stoddard, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Ultrasound of heart with probe in esophagus, with report (93312)
57%Service-mix similarityView profile →

Rohan Samson, M.D.

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
56%Service-mix similarityView profile →

Armand H Rothschild, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
55%Service-mix similarityView profile →

Kirolos Barssoum, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
55%Service-mix similarityView profile →

Craig L Tucker, M.D.

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
55%Service-mix similarityView profile →

Matthew Bessen, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
54%Service-mix similarityView profile →

Koduvathara L James, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
52%Service-mix similarityView profile →

Louis Gregory Meriwether, M.D.

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
52%Service-mix similarityView profile →

Jason Andrew Hopper, MD

Cardiovascular Disease · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
52%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.