Medicare Enrolled
Dr. Ali Nasser, M.D.
Cardiovascular Disease · Lady Lake, FL
Practice pattern: Electrophysiology & Cardiac
— Practice combining electrophysiology and cardiac services
Low-engagement
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Nasser from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Nasser
Dr. Ali Nasser is a cardiovascular disease specialist in Lady Lake, FL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Nasser performed 4,095 Medicare services across 2,957 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nasser received a total of $3,697 from 39 pharmaceutical and/or device companies across 191 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Nasser is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 19 years in practice
▲ Top 28% volume in FL
$3,697 industry payments
Medicare Practice Summary
Medicare Utilization ↗4,095
Medicare services
Top 28% in FL for cardiovascular disease
2,957
Unique beneficiaries
$75
Avg. Medicare payment
Medicare patients only (65+ / disabled) · Not a quality rating · How to read this →
~216 Medicare services per year of practice
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 |
|---|---|---|---|
| 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. |
1,061 | $89 | $381 |
| 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. |
826 | $11 | $44 |
| 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. |
331 | $63 | $270 |
| Regadenoson injection (Lexiscan) for heart stress test An injection of regadenoson, a medication used to stress the heart during diagnostic testing. |
284 | $43 | $183 |
| 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. |
188 | $120 | $499 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while monitoring the electrocardiogram under physician supervision and review. |
162 | $48 | $208 |
| Technetium Tc-99m tetrofosmin diagnostic injection A diagnostic injection of Technetium Tc-99m tetrofosmin used for imaging studies. |
162 | $338 | $1,307 |
| 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. |
146 | $4 | $13 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
140 | $143 | $565 |
| 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. |
135 | $23 | $90 |
| 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. |
93 | $6 | $25 |
| Nuclear stress test of heart muscle A nuclear medicine imaging test that evaluates blood flow to the heart muscle at rest and during stress using a special camera. |
82 | $327 | $1,269 |
| Remote monitoring of implantable heart device, up to 30 days Remote evaluation of an implanted heart or blood vessel monitoring system over a period of up to 30 days. |
60 | $20 | $78 |
| 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. |
56 | $132 | $535 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
49 | $139 | $558 |
| Pacemaker programming, dual lead system Adjustment and configuration of a dual-lead pacemaker device to ensure proper operation and settings. |
46 | $60 | $234 |
| Heart muscle strain imaging | 44 | $29 | $109 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
36 | $85 | $337 |
| 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. |
34 | $26 | $110 |
| Pacemaker system evaluation Assessment of a pacemaker device, including single, dual, multiple lead, or leadless systems. |
31 | $44 | $165 |
| New patient office visit, complex (60-74 min) | 28 | $168 | $659 |
| Programming of multiple lead implantable defibrillator system Adjustment and testing of the settings for an implanted heart device with multiple leads to ensure proper function. |
24 | $83 | $314 |
| Continuous ECG monitoring, up to 30 days Continuous heart rhythm monitoring for up to 30 days, including professional review and reporting of the results. |
21 | $20 | $77 |
| Initial hospital admission, low complexity Initial hospital inpatient or observation care for a new patient involving straightforward or low-level medical decision making, with at least 40 minutes total time on the date of the encounter. |
17 | $65 | $255 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
14 | $43 | $168 |
| Follow-up heart ultrasound An ultrasound of the heart performed to monitor or reassess a previously identified condition or treatment progress. |
13 | $20 | $75 |
| Follow-up ultrasound of heart blood flow, valves and chambers An ultrasound exam that follows up on the heart's blood flow, valves, and chambers. It uses sound waves to create images of the heart's structure and function. |
12 | $6 | $22 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.
10.3% high complexity
19.4% medium
70.3% routine
Industry Payment Transparency
Open Payments through 2024 ↗$3,697
Total received (2018-2024)
Avg $528/year across 7 years
Top 47% in FL for cardiovascular disease
39
Companies
191
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →
Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$3,697 (100.0%)
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$761
2023
$579
2022
$327
2021
$484
2020
$503
2019
$564
2018
$478
Payments by company (2024)
Consulting
Speaking
Meals & Travel
Research
Novartis Pharmaceuticals Corporation
$488
PFIZER INC.
$358
AstraZeneca Pharmaceuticals LP
$320
Astellas Pharma US Inc
$222
Merck Sharp & Dohme LLC
$196
Novo Nordisk Inc
$186
Amgen Inc.
$182
Janssen Pharmaceuticals, Inc
$166
Amarin Pharma Inc.
$164
Esperion Therapeutics, Inc.
$150
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
$138
Philips Electronics North America Corporation
$127
BIOTRONIK INC.
$126
Boehringer Ingelheim Pharmaceuticals, Inc.
$102
Edwards Lifesciences Corporation
$59
MEDICOMP INC
$53
Abbott Laboratories
$48
Merck Sharp & Dohme Corporation
$48
Maquet Cardiovascular U.S. Sales, L.L.C.
$48
Allergan Inc.
$46
Philips North America LLC
$45
Braemar Manufacturing, LLC
$44
Impulse Dynamics (USA) Inc.
$36
SANOFI-AVENTIS U.S. LLC
$36
E.R. Squibb & Sons, L.L.C.
$30
ABIOMED
$29
Recor Medical Inc
$25
Relypsa, Inc.
$25
Daiichi Sankyo Inc.
$23
Endo Pharmaceuticals Inc.
$22
Kestra Medical Technology Services, Inc.
$22
Lexicon Pharmaceuticals, Inc.
$21
Medtronic, Inc.
$18
Baxter Healthcare
$17
Boston Scientific Corporation
$16
BOSTON SCIENTIFIC CORPORATION
$16
Bayer Healthcare Pharmaceuticals Inc.
$15
Eisai Inc.
$14
GlaxoSmithKline, LLC.
$14
Top 3 companies account for 31.6% of total payments
Associated products mentioned in payments ›
(5044) MCOT · (5091) Amb Mon & Diag Und · (CM9) Amb Mon & Diag Und · AVEIR · Aimovig · Assure WCD · BRILINTA · BYDUREON · Cardiac Monitoring Suite · Corlanor · Dayvigo · ELIQUIS · ENTRESTO · EVENITY · Edwards SAPIEN 3 Ultra Transcatheter Heart Valve · FARXIGA · FLIXENE · Hillrom - Cardiac Ambulatory Monitor · INJECTAFER · Impella · Inpefa · JARDIANCE · Kerendia · LEQVIO · LEXISCAN · LINQ II · LOKELMA · Levemir · LifeVest · MITRACLIP · MULTAQ · NEXLETOL · Optimizer · Ozempic · PARADISE RENAL DENERVATION SYSTEM · PRADAXA · Repatha · SAPIEN 3 Ultra RESILIA · SHINGRIX · SOLIQUA 100/33 · Solia · TELEPATCH CARDIAC MONITOR · Tresiba · VERQUVO · VIIBRYD · VRAYLAR · Vascepa · Veltassa · WATCHMAN · WATCHMAN FLX · XARELTO · XIAFLEX
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Equivalent to $90 per 100 Medicare services performed
Geographic Context
Cardiologists within 10 mi
67
Per 100K population
16.8
County median income
$69,956
Nearest hospital
VILLAGES REGIONAL HOSPITAL, THE
0.0 mi
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 measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Nasser is an electrophysiology & cardiac specialist, with above-average Medicare volume (top 28% in FL), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Nasser experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Nasser performed 1,061 office visit, established patient (30-39 min) services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Nasser receive payments from pharmaceutical companies?
Yes. Dr. Nasser received a total of $3,697 from 39 companies across 191 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Nasser's costs compare to other cardiologists in Lady Lake?
Dr. Nasser's average Medicare payment per service is $75. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Nasser) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
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About this page
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. The Transparency Score measures 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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