DR. SEI IWAI MD
NPI 1033206115
Internal Medicine - Clinical Cardiac Electrophysiology in Hawthorne, NY

Active since October 09, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
19 BRADHURST AVE, SUITE 3850S, HAWTHORNE, NY 10532(914) 909-6900(914) 909-2828 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 29, 2021, Sep 20, 2016 (2 updates tracked since 2016).

About Dr. Sei Iwai Md NPPES

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

DR. SEI IWAI MD (NPI 1033206115) is an individual clinical cardiac electrophysiology provider in Hawthorne, New York, licensed in New York (205205) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Garnet Health Medical Center, and is a graduate of Columbia University College Of Physicians And Surgeons (1994).

NPPES Registry Identity

NPI1033206115
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. SEI IWAICredential: MD
Location Address19 BRADHURST AVE, SUITE 3850SHawthorne, NY 10532-2140
Mailing Address257 Lafayette Ave, Suite 3850sSuffern, NY 10901-4830 · (845) 368-8815 · Fax (845) 987-5979
Fax(914) 909-2828
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1994
Enumeration DateOctober 9, 2006
Last NPPES UpdateNovember 29, 20212 updates tracked since enumeration
NPPES CertifiedNovember 29, 2021
NPI 1033206115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License Licensed in NY · 205205
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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 205205 (NY)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 205205 (NY)
19 BRADHURST AVE, Hawthorne, NY 10532

Other Identifiers 1

Medicaid02140412NY

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. Sei Iwai Md 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 ID6608926829
PECOS Enrollment IDI20090610000295
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 23

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.
531 services441 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.
337 services165 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.
196 services98 patients
Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295
This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.
146 services67 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.
142 services117 patients
Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298
This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.
124 services31 patients

Hospital Affiliations CMS Care Compare 5

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

Garnet Health Medical Center

Acute Care Hospitals · Middletown, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330126
Location707 East Main StreetMiddletown, NY 10940 · Orange County
Emergency services Birthing friendly

Healthalliance Hospital Marys Avenue Campus

Acute Care Hospitals · Kingston, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330224
Location105 Mary's AvenueKingston, NY 12401 · Ulster County
Emergency services Birthing friendly

Westchester Medical Center

Acute Care Hospitals · Valhalla, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330234
Location100 Woods RdValhalla, NY 10595 · Westchester County
Emergency services Birthing friendly

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330261
Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County
Emergency services Birthing friendly

St Luke's Cornwall Hospital

Acute Care Hospitals · Newburgh, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330264
Location70 Dubois StreetNewburgh, NY 12550 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10532 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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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.

Internal Medicine (Critical Care Medicine)
19 BRADHURST AVE, SUITE 3040N
HAWTHORNE, NY 10532
Internal Medicine (Rheumatology)
19 BRADHURST AVE, SUITE 3070N
HAWTHORNE, NY 10532
Nurse Practitioner (Primary Care)
19 BRADHURST AVE
HAWTHORNE, NY 10532
Internal Medicine (Nephrology)
19 BRADHURST AVE, SUITE 200N
HAWTHORNE, NY 10532
Internal Medicine (Medical Oncology)
19 BRADHURST AVE, SUITE 2100
HAWTHORNE, NY 10532
Internal Medicine (Cardiovascular Disease)
19 BRADHURST AVE, SUITE 700
HAWTHORNE, NY 10532
Pediatrics (Pediatric Infectious Diseases)
19 BRADHURST AVE, STE. 1400
HAWTHORNE, NY 10532
Nutritionist
19 BRADHURST AVE, SUITE 200N
HAWTHORNE, NY 10532

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 Sei Iwai's NPI number?

The NPI number for Sei Iwai is 1033206115. It was assigned to this individual provider in the NPPES registry on October 9, 2006.

Where is Sei Iwai located?

Sei Iwai practices at 19 Bradhurst Ave Suite 3850S, Hawthorne, NY 10532. The listed phone number is (914) 909-6900.

What is Sei Iwai's specialty?

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

Is Sei Iwai enrolled in Medicare?

Yes. Sei Iwai 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 Sei Iwai affiliated with any hospitals?

According to CMS data, Sei Iwai is affiliated with Garnet Health Medical Center, Healthalliance Hospital Marys Avenue Campus, Westchester Medical Center, Phelps Hospital and St Luke's Cornwall Hospital.

When was this NPI record last updated?

The NPPES record for Sei Iwai was last updated on November 29, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.