Narayana Sarma Singam, MD
NPI 1609294131 · Cardiovascular Disease Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Narayana Sarma Singam, MD is a Cardiovascular Disease Physician provider in Louisville, KY (NPI 1609294131).
Provider details
- NPI number
- 1609294131
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 57.024365 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
902 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 307 | $241 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 220 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 178 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 42 | $196 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 30 | $134 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 110 Irving St NwWashington, DC 20010-3017Phone: (202) 877-7000
Registry dates
- Enumerated
- 2014-04-01
- Last updated
- 2025-05-27
- Certified
- 2025-05-27
Frequently asked questions
- What is Narayana Sarma Singam's NPI number?
- Narayana Sarma Singam's National Provider Identifier (NPI) is 1609294131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Narayana Sarma Singam's specialty?
- Narayana Sarma Singam is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Narayana Sarma Singam located?
- Narayana Sarma Singam's practice location on file with NPPES is 225 Abraham Flexner Way Ste 305, Louisville, KY 40202-1891.
- What is Narayana Sarma Singam's phone number?
- The practice phone number listed in the NPPES registry for Narayana Sarma Singam is (502) 585-4321.
- Does Narayana Sarma Singam accept Medicare?
- Narayana Sarma Singam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Narayana Sarma Singam's NPI active?
- Yes — Narayana Sarma Singam's NPI (1609294131) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.