Dr. Girish Narayan, MD
What this data tells you about Dr. Narayan
Dr. Girish Narayan is a cardiovascular disease specialist in Stanford, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Narayan performed 8,107 Medicare services across 2,786 unique beneficiaries.
Between the years covered by Open Payments, Dr. Narayan received a total of $116,675 from 10 pharmaceutical and/or device companies across 20 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Narayan is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| MRI contrast dye injection (gadobutrol) | 4,371 | $0 | $2 |
| Remote pacemaker/defibrillator monitoring, 90 days Remote evaluation of a pacemaker or implantable defibrillator system within 90 days of the last check. |
713 | $24 | $126 |
| Remote pacemaker monitoring, 90 days Remote assessment of a pacemaker system, including single, dual, multiple lead, or leadless devices, performed up to 90 days apart. |
557 | $26 | $150 |
| EKG interpretation and report A standard electrocardiogram test that records the heart's electrical activity using at least 12 leads. The service includes a professional interpretation of the results and a written report. |
421 | $7 | $61 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
388 | $110 | $364 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
313 | $13 | $83 |
| Remote evaluation of implantable defibrillator system Remote assessment of a single, dual, or multiple lead implantable defibrillator system within 90 days of the previous evaluation. |
165 | $32 | $292 |
| Remote cardiac rhythm monitor evaluation, up to 30 days Review and analysis of data from a remote cardiac rhythm monitoring system over a period of up to 30 days. |
143 | $22 | $98 |
| Remote monitoring of implantable heart rhythm device Evaluation of data transmitted remotely from an implantable cardiovascular monitor, such as a loop recorder or subcutaneous cardiac rhythm monitor, over a period up to 30 days. |
143 | $65 | $108 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
130 | $198 | $881 |
| Prothrombin time test (blood clotting) A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process. |
114 | $4 | $25 |
| Pacemaker programming, dual lead system Adjustment and configuration of a dual-lead pacemaker device to ensure proper operation and settings. |
97 | $79 | $304 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
62 | $160 | $489 |
| Stress echocardiogram with ECG monitoring An ultrasound of the heart performed while monitoring heart rhythm during rest, exercise, or medication-induced stress, followed by a review and report of the findings. |
43 | $238 | $1,082 |
| Atrial fibrillation ablation with pulmonary vein isolation A procedure to treat atrial fibrillation by mapping the heart's electrical activity and destroying tissue causing irregular contractions. This is done by isolating the pulmonary veins using catheter-based destruction. |
39 | $595 | $3,220 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
39 | $71 | $247 |
| Anticoagulant management for warfarin Management of anticoagulant therapy for a patient taking warfarin. This service involves monitoring and adjusting the medication regimen. |
36 | $9 | $47 |
| Catheter ablation for abnormal heart rhythm A procedure where catheters are inserted to destroy tissue causing irregular heartbeats. |
33 | $264 | $1,232 |
| MRI of heart with and without contrast A magnetic resonance imaging scan of the heart performed both before and after the administration of a contrast dye to enhance image detail. |
32 | $401 | $2,780 |
| External EKG monitoring, 8-15 days Continuous external electrocardiogram recording and review over a period of 8 to 15 days to monitor heart rhythm. |
31 | $24 | $101 |
| Heart chamber tissue destruction via catheter A procedure that destroys tissue in the upper heart chamber using a tube to treat abnormal heart rhythm. |
30 | $253 | $1,166 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
30 | $23 | $74 |
| Continuous external EKG monitoring, 8-15 days This procedure involves recording heart rhythm continuously using an external EKG device over a period of 8 to 15 days. |
29 | $13 | $63 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
29 | $155 | $554 |
| New patient office visit, complex (60-74 min) | 25 | $197 | $697 |
| Pacemaker system evaluation Assessment of a pacemaker device, including single, dual, multiple lead, or leadless systems. |
24 | $58 | $173 |
| Programming of dual lead implantable defibrillator system Adjustment and testing of the settings for an implanted heart device with two leads to ensure proper function. |
23 | $98 | $379 |
| Hospital discharge day management, 30 minutes or less This service covers the final day of hospital care when the patient is being discharged. It includes coordination of care and instructions for the patient within a time frame of 30 minutes or less. |
21 | $73 | $252 |
| External shock to heart to regulate heart beat A procedure that delivers an electric shock to the heart from outside the body to restore a normal heart rhythm. |
15 | $94 | $987 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
11 | $160 | $704 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (90%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in cardiovascular disease and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 6% for cardiovascular disease in CA.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Narayan is an electrophysiology & remote specialist, with above-average Medicare volume (top 9% in CA), with speaking/promotional industry engagement in the top 6% of CA peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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