Medicare Enrolled

Dr. Stephen Serynek, D.O.

Internal Medicine · Flushing, NY
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
5645 MAIN ST, Flushing, NY 11355
7186701231
Registered in NPPES since 2008
NPI: 1285896688 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. Serynek 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. Serynek

Dr. Stephen Serynek is an internal medicine specialist in Flushing, NY, with 18 years of NPI registration. Based on federal Medicare data, Dr. Serynek performed 8,564 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Serynek received a total of $2,447 from 20 pharmaceutical and/or device companies across 92 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. Serynek 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.

✓ 18 years of NPI registration ▲ Top 2% volume in NY $2,447 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
8,564
Medicare services
Top 2% in NY for internal medicine
Not available
Unique patients (not deduplicated)
$63
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
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.
1,213 $108 $414
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.
861 $12 $153
Blood draw (venipuncture)
Insertion of a needle into a vein to collect a blood sample.
701 $8 $32
Comprehensive metabolic blood panel
A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers.
618 $10 $43
Lipid panel (cholesterol and triglycerides)
A blood test that measures cholesterol and triglyceride levels.
600 $13 $62
Complete blood count (CBC) with differential
An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells.
565 $8 $33
Thyroid stimulating hormone (TSH) test
A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function.
540 $16 $75
Echocardiogram, transthoracic
An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function.
443 $172 $965
Regadenoson injection (Lexiscan) for heart stress test
An injection of regadenoson, a medication used to stress the heart during diagnostic testing.
288 $44 $229
Technetium Tc-99m tetrofosmin diagnostic injection
A diagnostic injection of Technetium Tc-99m tetrofosmin used for imaging studies.
284 $341 $545
Hemoglobin A1c test (diabetes monitoring)
A blood test that measures your average blood sugar levels over the past two to three months.
276 $10 $47
Vitamin D level test
A blood test to measure the amount of Vitamin D-3 in your body.
221 $29 $113
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.
169 $179 $952
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.
153 $57 $725
Free thyroxine (T4) test
A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream.
148 $9 $44
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.
139 $414 $2,225
Annual wellness visit, follow-up
A follow-up annual wellness visit that includes a personalized prevention plan of service.
137 $148 $615
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.
124 $22 $152
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.
103 $4 $19
Automated urinalysis
An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine.
94 $2 $8
Urinalysis with microscopic exam
A urine test performed manually that includes examining the sample under a microscope to check for abnormalities.
93 $3 $15
PSA test (prostate cancer screening) 89 $18 $85
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.
69 $79 $290
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.
64 $127 $586
Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts
A complete ultrasound exam of the aorta, vena cava, groin vessels, or bypass grafts. This imaging test uses sound waves to visualize these blood vessels.
48 $162 $838
Basic metabolic blood panel
A blood test that measures a group of basic chemicals, including total calcium levels.
47 $8 $30
Flu vaccine administration
This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient.
47 $36 $95
Flu vaccine, quadrivalent
A flu shot containing four strains of the influenza virus to help prevent seasonal influenza infection.
45 $76 $280
External EKG monitoring, 8-15 days
Continuous external electrocardiogram recording and review over a period of 8 to 15 days to monitor heart rhythm.
33 $21 $107
Vitamin B-12 level test
A blood test that measures the amount of vitamin B-12 in your body.
30 $15 $70
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.
30 $12 $59
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.
25 $75 $1,125
Uric acid level test
A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines.
24 $4 $19
Continuous external EKG monitoring, 48 hours to 7 days
This procedure involves recording the heart's electrical activity continuously using an external device for a period exceeding 48 hours but not more than 7 days.
21 $12 $70
Ferritin level test (iron stores)
A blood test that measures the level of ferritin, a protein that stores iron in the body.
20 $13 $65
Magnesium level test
A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess.
20 $7 $25
Continuous EKG monitoring review, 48-7 days
Review and interpretation of continuous external EKG recordings lasting more than 48 hours up to 7 days.
20 $20 $101
Iron level test 19 $6 $30
Iron binding capacity test
A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron.
19 $9 $50
PSA test (prostate cancer screening)
A blood test that measures the level of prostate-specific antigen to screen for prostate cancer.
17 $19 $75
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.
15 $197 $1,145
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.
15 $158 $566
Pneumonia vaccine administration
This procedure involves the injection of a vaccine to protect against pneumococcal disease. It is administered by a healthcare provider.
15 $36 $95
Urine culture, bacterial colony count
A laboratory test that measures the number of bacteria growing in a urine sample to help identify infections.
14 $8 $50
Pneumococcal conjugate vaccine (PCV20)
An intramuscular injection of the 20-valent pneumococcal conjugate vaccine. It is used to protect against diseases caused by Streptococcus pneumoniae bacteria.
13 $281 $1,095
2-day continuous ECG with review and report
A two-day continuous electrocardiogram recording that includes a professional review and written report of the results.
13 $50 $453
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.
11 $150 $1,086
Annual wellness visit, initial visit
A yearly appointment to review your health and create a personalized prevention plan. This initial visit focuses on preventive care and health assessment.
11 $191 $790
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.
5.7% high complexity
12.4% medium
81.9% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$2,447
Total received (2018-2024)
Avg $350/year across 7 years
Top 24% in NY for internal medicine
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
20
Companies
92
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
$324
2023
$256
2022
$430
2021
$450
2020
$248
2019
$584
2018
$155

Payments by company (2024)

Boston Scientific Corporation
$147
HEARTFLOW, INC.
$140
Novartis Pharmaceuticals Corporation
$22
Novo Nordisk Inc
$15
Top 3 companies account for 95.5% of 2024 payments
All-time payments by company (2018-2024) ›
Novartis Pharmaceuticals Corporation
$507
Boston Scientific Corporation
$414
E.R. Squibb & Sons, L.L.C.
$185
Boehringer Ingelheim Pharmaceuticals, Inc.
$159
Amgen Inc.
$157
Esperion Therapeutics, Inc.
$143
HEARTFLOW, INC.
$140
Alnylam Pharmaceuticals Inc.
$123
PFIZER INC.
$103
Astellas Pharma US Inc
$100
Janssen Pharmaceuticals, Inc
$96
Regeneron Healthcare Solutions, Inc.
$56
Preventice Services, LLC
$51
Novo Nordisk Inc
$47
SANOFI-AVENTIS U.S. LLC
$46
Abbott Laboratories
$40
Coala Life Inc
$24
BOSTON SCIENTIFIC CORPORATION
$20
Althera Pharmaceuticals LLC
$19
Medtronic, Inc.
$16
Top 3 companies account for 45.2% of all-time payments
Associated products mentioned in payments ›
AMVUTTRA · CAMZYOS · Coala Heart Monitor · Corlanor · ELIQUIS · ENTRESTO · FFRct · HeartMate 3 Left Ventricular Assist Device · JARDIANCE · LEQVIO · MICRA · MitraClip System · NEXLETOL · NEXLIZET · Ozempic · PRALUENT · PRALUENT ALIROCUMAB INJECTION · Repatha · Roszet · VYNDAQEL · WATCHMAN · WATCHMAN Access System · WATCHMAN FLX · 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 internal medicine specialist in Flushing?
Compare internal medicine physicians in the Flushing area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Internal medicine physicians in nearby ZIP areas
10,793
County median income
$84,961
Nearest hospital to ZIP centroid (approximate)
NEW YORK-PRESBYTERIAN/QUEENS
0.0 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. Serynek is a clinical cardiology specialist, with above-average Medicare volume (top 2% in NY), with 18 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. Serynek experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Serynek performed 1,213 office visit, established patient (30-39 min) 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. Serynek receive payments from pharmaceutical companies?
Yes. Dr. Serynek received a total of $2,447 from 20 companies across 92 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. Serynek's costs compare to other internal medicine physicians in Flushing?
Dr. Serynek's average Medicare payment per service is $63. 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. Serynek) 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.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

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 →