NPPES file of Aug 9, 2026

Madhan Nellaiyappan, M.D.

Clinical Cardiac Electrophysiology Physician · Vancouver, WA

Madhan Nellaiyappan, M.D. is a clinical cardiac electrophysiology physician with a practice address in Vancouver, Washington, and NPI 1932515103, issued on Jul 8, 2014. Check the license (Washington MD61229890, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932515103
Name
Madhan Nellaiyappan
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License numbers
MD61229890 WA
MT207083 PA
Self-reported in NPPES; status is on the state search
Practice location
200 NE Mother Joseph PL Ste 400, Vancouver, WA 98664
Phone
(360) 514-4444
Enumerated
Jul 8, 2014
Record last updated
Apr 25, 2023
Fax
(360) 514-6530
Medicare enrollment
Enrolled (PECOS I20220920003108); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 200 NE Mother Joseph PL Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nashwa AbdulsalamCardiovascular Disease Physician1295142750
  2. Jonathan Allen, M.D.Cardiovascular Disease Physician1922186402
  3. Olga Demina, DOCardiovascular Disease Physician1376819367
  4. Haley GlassyPhysician Assistant1558195081
  5. Joshua Grant, D.O.Cardiovascular Disease Physician1598051252
  6. Shenjing Li, MDInterventional Cardiology Physician1568892586

Verify Madhan Nellaiyappan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61229890
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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50% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

857 Medicare Part D claims for 237 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Madhan Nellaiyappan857
  2. Specialty average1,710

Most prescribed

  1. Eliquis155 claims
  2. Metoprolol Succinate136 claims
  3. Metoprolol Tartrate119 claims
  4. Amiodarone Hcl67 claims
  5. Diltiazem 24hr Er (Cd)35 claims
  6. Pantoprazole Sodium29 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.

Industry payments in 2024: $324.01

3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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.

  1. Madhan Nellaiyappan$324
  2. Specialty average$10,651

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

  1. PeacehealthVancouver, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Madhan Nellaiyappan among 74 clinical cardiac electrophysiology physician records in Washington

Madhan Nellaiyappan, M.D. is one of 74 clinical cardiac electrophysiology physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 91% of them.

  • NPI issued2014 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2012 · median 2002 among the 61 with a school on file
  • Record last updated2023 · 49% 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 Washington 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 Washington

There are 74 clinical cardiac electrophysiology physician records in Washington.

The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes

  1. Benjamin John, MDVancouver, WA 986641437191533
  2. Stephen Rechenmacher, M.D.Vancouver, WA 986641417273129
  3. Robert Swenson, M.D.Vancouver, WA 986641699718262
  4. Gregory Eberhart, M.D.Wenatchee, WA 988011902877111
  5. Felix Krainski, M.D.Wenatchee, WA 988011649579038
  6. Roy Lin, M.D.Wenatchee, WA 988011043582315
  7. Hongsheng Guo, MDOlympia, WA 985061154307528
  8. George Hanna, MDOlympia, WA 985061710481528

Common questions

What is Madhan Nellaiyappan, M.D.'s NPI number?

Madhan Nellaiyappan, M.D.'s National Provider Identifier (NPI) is 1932515103, issued on Jul 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Madhan Nellaiyappan, M.D. located?

The NPPES record lists a practice address at 200 NE Mother Joseph PL Ste 400, Vancouver, WA, 98664. Phone: (360) 514-4444. Providers update this record themselves, so call before visiting.

How can I verify Madhan Nellaiyappan, M.D.'s license?

NPPES lists Washington license number MD61229890, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Madhan Nellaiyappan, M.D. prescribe under Medicare Part D?

In 2024, Madhan Nellaiyappan, M.D. had 857 Medicare Part D claims for 237 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.

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.