Summary

Dr. Sei Iwai specializes in cardiovascular disease, focusing on heart rhythm disorders and comprehensive cardiac care. He earned his medical degree from Columbia University College of Physicians and Surgeons in New York and completed his residency in internal medicine at New York Presbyterian Hospital-Columbia Campus, followed by fellowship training in cardiovascular diseases at New York and Presbyterian Hospital. With 32 years of experience treating patients with heart conditions, Dr. Iwai holds board certification in internal medicine from the American Board of Internal Medicine. He speaks English fluently with his patients.

Dr. Iwai practices at WMCHealth Physicians Cardiology in Valhalla, New York, and maintains hospital privileges at Westchester Medical Center. His clinical expertise includes treating patients with atrial fibrillation and supraventricular tachycardia, conditions that affect the heart's rhythm and electrical system. He performs diagnostic procedures such as electrocardiograms to evaluate heart function and specialized blood tests to monitor patient safety during treatment. Patients consistently rate Dr. Iwai highly for his care, giving him an average rating of 5.0 on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 32 years of experience
  • 43 insurance plans accepted
  • speaks English
  • Ny And Presby Hosp, Cardiovascular Diseases; Ny & Presby Hp-Columbia Campus, Internal Medicine
  • 4 written reviews
  • 1 specialty
  • 2 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

WMCHealth Physicians Cardiology, Valhalla

100 Woods Road ACP 1st FloorValhalla, NY 10595

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Sei Iwai, MDDr. Mathew Shane Maurer, MDYuichi Shimada, MD, MPHJennifer H Haythe, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients
32 Years of Experience 34 Years of Experience 19 Years of Experience 26 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks Spanish Speaks Japanese Speaks English, Spanish
Valhalla , NYNew York , NYNew York , NYNew York , NY
Med School: Columbia Univ Coll of Physicians And Surgeons, New York Ny Med School: MOUNT SINAI SCHOOL OF MEDICINE OF NEW YORK UNIVERSITY Med School: University Of Tokyo Faculty Of Medicine Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by Sei Iwai

  • 1199SEIU
  • AARP
  • Aetna
  • Aetna - EPO
  • Aetna - Medicare
  • APWU
  • Blue Cross Blue Shield of Texas
  • CDPHP
  • Cigna
  • Cigna - PPO
  • EmblemHealth
  • EmblemHealth - PPO
  • Fidelis Care (NY)
  • Fidelis Care (NY) - Medicaid
  • Hamaspik Choice
  • HealthFirst (NY)
  • HealthFirst (NY) - Medicaid
  • HealthFirst (NY) - Medicare (Advantage HMO)
  • Humana
  • Humana - Medicare (Advantage HMO)
  • MagnaCare
  • MagnaCare - HMO
  • Medicaid
  • Medicaid - HMO
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare - Medicaid
  • MVP Health Care
  • MVP Health Care - Medicaid
  • MVP Health Care - Medicare (Advantage HMO)
  • POMCO
  • Tricare
  • UniCare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • Wellcare

Medical Specialties

Sei Iwai has the following specialty

Specialty Expertise

Sei Iwai has the following 2 areas of expertise

  • Clinical Cardiac Electrophysiology
  • Internal Medicine

Certifications, License, & Education

32 Years Experience

Sei Iwai holds an expired medical license in the state of New York. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2025.

Education & Training

Residency

Completed their residency at Ny And Presby Hosp, Cardiovascular Diseases; Ny & Presby Hp-Columbia Campus, Internal Medicine.

Medical School

Graduated from Columbia Univ Coll of Physicians And Surgeons, New York Ny in 1994 and Columbia Univ College of Physicians And Surgeons in 1994.

NPI Number

Sei Iwai's NPI number is 1033206115.

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Frequently Asked Questions

What languages does Sei Iwai speak?
Sei Iwai speaks English.
Is Sei Iwai accepting new patients?
Sei Iwai is accepting new patients on Vitals. View Sei Iwai's profile on Vitals to make an appointment.
Where is Sei Iwai's office located?
Sei Iwai's office is located at 100 Woods Road ACP 1st Floor, Valhalla, NY, 10595.
How can I make an appointment with Sei Iwai?
You can find contact information for Sei Iwai here on Vitals.
Does Sei Iwai accept virtual/telehealth appointments?
Sei Iwai has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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