Sei Iwai, MD
Clinical Cardiac Electrophysiology Physician · Hawthorne, NY
Sei Iwai, MD is a clinical cardiac electrophysiology physician with a practice address in Hawthorne, New York, and NPI 1033206115, issued on Oct 9, 2006. Check the license (New York 205205, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sei Iwai
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- 205205 NY
Self-reported in NPPES; status is on the state search - Practice location
- 19 Bradhurst Ave, Hawthorne, NY 10532
- Phone
- (914) 909-6900
- Enumerated
- Oct 9, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (914) 909-2828
- Medicaid ID
- 02140412 NY
- Medicare enrollment
- Enrolled (PECOS I20090610000295); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 214 in New York → Look up another NPI →
Also registered at 19 Bradhurst Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gifty Adjei-Dugbatey, FNPPrimary Care Nurse Practitioner1003635095
- Arlene Adler, PHDPsychologist1386631745
- Stephen Adler, MDNephrology Physician1164421020
- Chhaya Aggarwal-Gupta, MDAdvanced Heart Failure and Transplant Cardiology Physician1518124684
- Ingrid Allard, MDPediatrics Physician1336136027
- Robin Altman, MDPediatrics Physician1295736833
Verify Sei Iwai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 205205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
241 Medicare Part D claims for 66 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Flecainide Acetate61 claims
- Metoprolol Succinate50 claims
- Eliquis34 claims
- Multaq28 claims
- Dofetilide16 claims
- Xarelto14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $10,290.57
48 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Westchester Medical Center Advanced Physician Services PCValhalla, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sei Iwai among 214 clinical cardiac electrophysiology physician records in New York
Sei Iwai, MD is one of 214 clinical cardiac electrophysiology physician records with a practice address in New York. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 60% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated1994 · median 2002 among the 194 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in New York
There are 214 clinical cardiac electrophysiology physician records in New York.
All 214 in New York → Every provider in Hawthorne → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Daniel Frenkel, M.D.Hawthorne, NY 105321144427832
- Jason Jacobson, MDHawthorne, NY 105321588684260
- Carmine Sorbera, MDHawthorne, NY 105321346243110
- Mark Abrams, MDMount Kisco, NY 105491063755213
- Robert Knotts, M.D.Mount Kisco, NY 105491538426242
- Subbarao Choudry, M.D.Carmel, NY 105121255506366
- Rhadames Rojas, MDValhalla, NY 105951508161993
- Neal Ferrick, MDBronx, NY 104671396232401
Common questions
What is Sei Iwai, MD's NPI number?
Sei Iwai, MD's National Provider Identifier (NPI) is 1033206115, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sei Iwai, MD located?
The NPPES record lists a practice address at 19 Bradhurst Ave, Hawthorne, NY, 10532. Phone: (914) 909-6900. Providers update this record themselves, so call before visiting.
How can I verify Sei Iwai, MD's license?
NPPES lists New York license number 205205, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sei Iwai, MD prescribe under Medicare Part D?
In 2024, Sei Iwai, MD had 241 Medicare Part D claims for 66 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Sei Iwai, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.