DR. STEPHEN C VLAY M.D.
NPI 1396760344
Internal Medicine - Clinical Cardiac Electrophysiology in East Setauket, NY

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
26 RESEARCH WAY, EAST SETAUKET, NY 11733(631) 444-0580 Get Directions Write a Review

NPPES record last updated: April 15, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Stephen C Vlay M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN C VLAY M.D. (NPI 1396760344) is an individual clinical cardiac electrophysiology provider in East Setauket, New York, licensed in New York (127561) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and is a graduate of Yale University School Of Medicine (1975).

NPPES Registry Identity

NPI1396760344
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. STEPHEN C VLAYCredential: M.D.
Location Address26 RESEARCH WAYEast Setauket, NY 11733
Mailing AddressP.o. Box 1559Stony Brook, NY 11790
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1975
Enumeration DateJuly 12, 2006
Last NPPES UpdateApril 15, 2022
NPPES CertifiedApril 15, 2022
NPI 1396760344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License Licensed in NY · 127561
Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

26 RESEARCH WAY, East Setauket, NY 11733

Other Identifiers 3

Other47A243NY · Empire Bc.bs
Medicaid00584212NY
Other4534656NY · Aetna

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen C Vlay M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264567122
PECOS Enrollment IDI20100317000239
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 21

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
2,627 services2,056 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
539 services323 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
466 services307 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296
This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.
204 services67 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294
This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.
151 services51 patients
Programming of dual lead pacemaker system 93280
Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.
93 services54 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Long Island Community Hospital

Acute Care Hospitals · Patchogue, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330141
Location101 Hospital RoadPatchogue, NY 11772 · Suffolk County
Emergency services

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

St Catherine Of Siena Hospital Medical Center

Acute Care Hospitals · Smithtown, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330401
Location50 Route 25ASmithtown, NY 11787 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Adult Health)
26 RESEARCH WAY
EAST SETAUKET, NY 11733
Nurse Practitioner (Family)
26 RESEARCH WAY, SUITE 1
EAST SETAUKET, NY 11733
Internal Medicine (Nephrology)
26 RESEARCH WAY
EAST SETAUKET, NY 11733
Internal Medicine (Nephrology)
26 RESEARCH WAY
EAST SETAUKET, NY 11733
Internal Medicine (Pulmonary Disease)
26 RESEARCH WAY
EAST SETAUKET, NY 11733
Internal Medicine (Endocrinology, Diabetes & Metabolism)
26 RESEARCH WAY
EAST SETAUKET, NY 11733
Internal Medicine (Pulmonary Disease)
26 RESEARCH WAY
EAST SETAUKET, NY 11733
Internal Medicine (Nephrology)
26 RESEARCH WAY
EAST SETAUKET, NY 11733

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Vlay's NPI number?

The NPI number for Stephen Vlay is 1396760344. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Stephen Vlay located?

Stephen Vlay practices at 26 Research Way, East Setauket, NY 11733. The listed phone number is (631) 444-0580.

What is Stephen Vlay's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Stephen Vlay enrolled in Medicare?

Yes. Stephen Vlay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Stephen Vlay affiliated with any hospitals?

According to CMS data, Stephen Vlay is affiliated with Long Island Community Hospital, John T Mather Memorial Hospital Of Port Jefferson, Suny/Stony Brook University Hospital and St Catherine Of Siena Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Vlay was last updated on April 15, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.