Medicare Enrolled

Dr. Raymond Chow, M.D.

Optician · Gurnee, IL
Practice pattern: Remote & Electrophysiology — Practice combining remote and electrophysiology services
35 TOWER CT, Gurnee, IL 60031
8473608440
Registered in NPPES since 2006
NPI: 1356369037 verify on NPPES ↗
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. Chow 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. Chow

Dr. Raymond Chow is an optician specialist in Gurnee, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Chow performed 11,714 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Chow received a total of $15,640 from 52 pharmaceutical and/or device companies across 895 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Chow 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.

✓ 20 years of NPI registration ▲ Top 4% volume in IL $15,640 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
11,714
Medicare services
Top 4% in IL for optician
Not available
Unique patients (not deduplicated)
$82
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

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
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.
1,313 $7 $30
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.
1,311 $12 $60
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.
1,026 $97 $300
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.
908 $20 $75
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.
908 $57 $215
Regadenoson injection (Lexiscan) for heart stress test
An injection of regadenoson, a medication used to stress the heart during diagnostic testing.
776 $43 $100
Hospital follow-up visit, moderate complexity
Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service.
634 $65 $175
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.
599 $141 $350
Technetium Tc-99m tetrofosmin diagnostic injection
A diagnostic injection of Technetium Tc-99m tetrofosmin used for imaging studies.
576 $110 $200
Echocardiogram, transthoracic
An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function.
487 $113 $575
Hospital follow-up visit, high complexity
Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter.
397 $98 $200
Remote pacemaker/defibrillator monitoring, 90 days
Remote evaluation of a pacemaker or implantable defibrillator system within 90 days of the last check.
344 $17 $50
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.
342 $22 $50
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.
294 $51 $350
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.
288 $360 $950
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.
160 $149 $450
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.
147 $142 $375
Sedation by physician, initial 15 minutes
Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older.
115 $10 $125
Remote patient monitoring device, 30 days
Initial setup of devices for remote monitoring of body functions with daily data transmission or alerts. This service covers the first 30 days of the monitoring period.
85 $40 $150
Initial hospital admission, moderate complexity
Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter.
83 $107 $300
Pacemaker programming, dual lead system
Adjustment and configuration of a dual-lead pacemaker device to ensure proper operation and settings.
73 $63 $200
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.
71 $135 $350
Critical care, first 30-74 min
Emergency medical care for a critically ill or injured patient lasting between 30 and 74 minutes. This service involves direct patient care and medical decision making to stabilize the patient.
59 $176 $350
Ultrasound of arm or leg veins
An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers.
52 $147 $400
Ultrasound of leg arteries or grafts
An imaging test that uses sound waves to create pictures of the blood vessels in the legs or any surgical grafts present.
47 $190 $450
Ultrasound of arm or leg veins
An ultrasound exam of the veins in one arm or leg using compression and other maneuvers to assess blood flow and check for blockages.
45 $94 $300
Heart muscle strain imaging 43 $31 $100
Aortography with contrast and radiologist review
An imaging procedure using contrast dye to visualize the aorta above the heart valve, including professional review by a radiologist.
39 $32 $100
Continuous external EKG monitoring, 48 hours to 7 days
This procedure involves recording, analyzing, and interpreting a continuous external electrocardiogram (EKG) over a period of more than 48 hours up to 7 days.
36 $209 $450
Cardiac catheterization 32 $246 $700
Echocardiogram with color Doppler
An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function.
31 $2 $50
Insertion of implantable heart rhythm monitor
A small device is placed under the skin to continuously record the heart's electrical activity. This helps detect irregular heart rhythms that may not appear during a standard office visit.
30 $3,643 $8,500
Continuous ECG monitoring, up to 30 days
Continuous heart rhythm monitoring for up to 30 days, including professional review and reporting of the results.
30 $20 $150
30-day continuous ECG with patient-triggered event transmission and review
This procedure involves continuous electrocardiogram monitoring for up to 30 days, including the transmission of patient-triggered events. A healthcare professional reviews the data and provides a report.
30 $700 $1,500
Chemical destruction of first incompetent vein with imaging guidance
This procedure uses imaging guidance to chemically destroy the first incompetent vein in the arm or leg.
27 $1,416 $3,500
Transesophageal echocardiogram
An ultrasound of the heart performed using a probe inserted into the esophagus to obtain detailed images of heart structures and function.
25 $86 $500
Echocardiogram, transthoracic
An ultrasound test that uses sound waves to create images of the heart's blood flow, valves, and chambers.
25 $14 $85
Pacemaker insertion with heart chamber electrodes
A surgical procedure to implant a pacemaker device and place electrodes into the upper and lower chambers of the heart to regulate heart rhythm.
21 $426 $2,500
New patient office visit, complex (60-74 min) 21 $182 $400
Removal of subcutaneous heart rhythm monitor
This procedure involves the removal of a heart rhythm monitor that has been implanted under the skin. It is a minor surgical intervention to extract the device.
20 $46 $500
Ultrasound of abdominal aorta
An imaging test that uses sound waves to create pictures of the abdominal aorta, the large blood vessel that carries blood from the heart to the lower body.
20 $112 $275
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.
19 $89 $540
Exercise or drug-induced heart stress test with ECG
A heart stress test performed using exercise or medication while an electrocardiogram is monitored under physician supervision.
19 $17 $80
Exercise or drug-induced heart stress test with ECG
A heart stress test performed using exercise or medication while monitoring the electrocardiogram, with physician review of the results.
19 $11 $80
Cardiac rhythm monitor programming
Adjustment and configuration of an implanted cardiac rhythm monitoring device to ensure proper operation and data collection.
16 $51 $200
Pacemaker system evaluation
Assessment of a pacemaker device, including single, dual, multiple lead, or leadless systems.
16 $44 $100
Limited retroperitoneal ultrasound
A focused ultrasound exam of the area behind the abdominal cavity to evaluate specific structures.
15 $43 $150
Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 15 $301 $900
Follow-up heart ultrasound
An ultrasound of the heart performed to monitor or reassess a previously identified condition or treatment progress.
13 $20 $150
Ultrasound of arm and leg arteries
A non-invasive imaging test that uses sound waves to examine the blood vessels in the arms and legs. It evaluates blood flow and checks for blockages or other vascular issues.
12 $88 $350
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. These counts do not measure clinical quality or years of experience.
11.4% high complexity
21.0% medium
67.5% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$15,640
Total received (2018-2024)
Avg $2,234/year across 7 years
Top 6% in IL for optician
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
52
Companies
895
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$1,705
2023
$2,413
2022
$2,370
2021
$2,142
2020
$2,217
2019
$2,615
2018
$2,177

Payments by company (2024)

E.R. Squibb & Sons, L.L.C.
$365
Abbott Laboratories
$185
Novartis Pharmaceuticals Corporation
$155
ABIOMED
$138
AstraZeneca Pharmaceuticals LP
$103
HEARTFLOW, INC.
$100
Esperion Therapeutics, Inc.
$91
Novo Nordisk Inc
$73
Boehringer Ingelheim Pharmaceuticals, Inc.
$69
Janssen Pharmaceuticals, Inc
$64
PFIZER INC.
$62
Boston Scientific Corporation
$60
SCPHARMACEUTICALS INC.
$58
Merck Sharp & Dohme LLC
$35
SANOFI-AVENTIS U.S. LLC
$32
Kiniksa Pharmaceuticals International, plc
$30
Inspire Medical Systems, Inc.
$25
Medtronic, Inc.
$22
Daiichi Sankyo Inc.
$21
Azurity Pharmaceuticals, Inc.
$19
Top 3 companies account for 41.3% of 2024 payments
All-time payments by company (2018-2024) ›
Janssen Pharmaceuticals, Inc
$3,375
E.R. Squibb & Sons, L.L.C.
$1,840
Novartis Pharmaceuticals Corporation
$998
Boehringer Ingelheim Pharmaceuticals, Inc.
$995
PFIZER INC.
$979
Amgen Inc.
$778
Abbott Laboratories
$771
AstraZeneca Pharmaceuticals LP
$731
Boston Scientific Corporation
$532
Esperion Therapeutics, Inc.
$341
SANOFI-AVENTIS U.S. LLC
$338
Alnylam Pharmaceuticals Inc.
$327
ABIOMED
$305
Lundbeck LLC
$302
Novo Nordisk Inc
$293
PREVENTRIC DIAGNOSTICS, INC.
$250
Astellas Pharma US Inc
$204
Impulse Dynamics (USA) Inc.
$192
Medtronic Vascular, Inc.
$161
NOVARTIS PHARMACEUTICALS CORPORATION
$160
Merck Sharp & Dohme LLC
$160
Actelion Pharmaceuticals US, Inc.
$140
Edwards Lifesciences Corporation
$133
Regeneron Healthcare Solutions, Inc.
$101
HEARTFLOW, INC.
$100
Inspire Medical Systems, Inc.
$90
Kowa Pharmaceuticals America, Inc.
$85
Akcea Therapeutics, Inc.
$84
ARBOR PHARMACEUTICALS, INC.
$83
Allergan Inc.
$79
Azurity Pharmaceuticals, Inc.
$71
Bayer HealthCare Pharmaceuticals Inc.
$64
SCPHARMACEUTICALS INC.
$58
Medtronic, Inc.
$53
Daiichi Sankyo Inc.
$45
Philips Electronics North America Corporation
$43
Gilead Sciences, Inc.
$38
Lantheus Medical Imaging, Inc.
$38
BOSTON SCIENTIFIC CORPORATION
$34
Kiniksa Pharmaceuticals, Ltd.
$31
Kiniksa Pharmaceuticals International, plc
$30
Terumo Medical Corporation
$28
CSL Behring
$27
CARDIVA MEDICAL, INC.
$26
Baxter Healthcare
$24
Biocompatibles, Inc.
$19
PORTOLA PHARMACEUTICALS, INC.
$18
Relypsa, Inc.
$17
Veryan Medical Incorporated
$15
Bard Peripheral Vascular, Inc.
$13
Arbor Pharmaceuticals, Inc.
$12
Bardy Diagnostics, Inc.
$10
Top 3 companies account for 39.7% of all-time payments
Associated products mentioned in payments ›
(6557) Mechanical Tools · (9267) AngioSculpt CV RX · ASSURITY · AVEIR · Adempas · AngioSeal · Arcalyst · Azure · BEVYXXA · BPRO BT AMBULATORY BLOOD PRESSURE MONITORING SYSTEM · BRILINTA · BYSTOLIC · BioMimics · BioPharma Sol - Contract Manuf · CAMZYOS · CARDIOMEMS · CARDIVA VASCADE 6/7F VCS · CHANTIX · CardioMEMS HF System · Carnation Ambulatory Monitor · CoreValve Evolut · Corlanor · Definity · EDARBYCLOR · EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) · ELIQUIS · ENTRESTO · Edarbi · Edarbyclor · Edwards SAPIEN 3 Transcatheter Heart Valve · Edwards SAPIEN 3 Ultra Transcatheter Heart Valve · FARXIGA · FFRct · FUROSCIX · GENERAL BRADY · GENERAL - VASCULAR INTERVENTION · Glidesheath · INJECTAFER · INSPIRE · Impella · JARDIANCE · Kcentra · LEQVIO · LEXISCAN · LINQ II · LOKELMA · Lexiscan · Livalo · MITRACLIP · MULTAQ · Merlin Connectivity and Remote · MitraClip System · NEXLETOL · NORTHERA · ONPATTRO · OPSUMIT · OPSUMIT MACITENTAN · OPTIMIZER · Optimizer · Ozempic · PRADAXA · PRALUENT · PRALUENT ALIROCUMAB INJECTION · Pacemakers · Repatha · Reveal LINQ · Reveal XT · Rybelsus · TEGSEDI · VARITHENA · VERQUVO · VYNDAQEL · Veltassa · VenaSeal · Venclose Maven Catheter · Verquvo · WAINUA · WATCHMAN · WATCHMAN Access System · Wegovy · XARELTO
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. 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 →
Looking for an optician specialist in Gurnee?
Compare opticians in the Gurnee area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Opticians in nearby ZIP areas
249
County median income
$108,917
Nearest hospital to ZIP centroid (approximate)
VISTA MEDICAL CENTER EAST
4.2 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included 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. Chow is a remote & electrophysiology specialist, with above-average Medicare volume (top 4% in IL), with 20 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Chow experienced with ekg interpretation and report?
Based on Medicare claims data, Dr. Chow performed 1,313 ekg interpretation and report services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Chow receive payments from pharmaceutical companies?
Yes. Dr. Chow received a total of $15,640 from 52 companies across 895 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. 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. Chow's costs compare to other opticians in Gurnee?
Dr. Chow's average Medicare payment per service is $82. 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. Chow) 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 the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. 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?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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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Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →