NPPES file of Aug 9, 2026

William Leonard Discepolo, M.D.

Clinical Cardiac Electrophysiology Physician · Pasadena, CA

William Leonard Discepolo, M.D. is a clinical cardiac electrophysiology physician with a practice address in Pasadena, California, and NPI 1932308137, issued on Jul 17, 2007. Check the license (California A85753, as entered in NPPES) on the Medical Board of California; 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
1932308137
Name
William Leonard Discepolo
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License number
A85753 CA
Self-reported in NPPES; status is on the state search
Practice location
3235 E Colorado Blvd Ste 201, Pasadena, CA 91107
Phone
(310) 896-6474
Enumerated
Jul 17, 2007
Record last updated
Apr 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
7418139 CA
Medicare enrollment
Enrolled (PECOS I20050603000853); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2002
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.
Download card Updates feed

Also registered at 3235 E Colorado Blvd Ste 201

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

  1. Mei Yee Wong, FNPFamily Nurse Practitioner1174150205

Verify William Leonard Discepolo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A85753
    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 California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

85% more Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

3,170 Medicare Part D claims for 628 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D.

  1. William Discepolo3,170
  2. Specialty average1,710

Most prescribed

  1. Eliquis316 claims
  2. Metoprolol Succinate310 claims
  3. Atorvastatin Calcium202 claims
  4. Xarelto196 claims
  5. Amiodarone Hcl190 claims
  6. Furosemide187 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: $3,165.04

73 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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.

  1. William Discepolo$3,165
  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 3 group practices

  1. California Cardiovascular Care Medical Group, IncGlendora, CA
  2. Chaparral Medical Group IncPomona, CA
  3. Don W Lee M D A Medical CorporationGlendale, CA

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

William Leonard Discepolo among 304 clinical cardiac electrophysiology physician records in California

William Leonard Discepolo, M.D. is one of 304 clinical cardiac electrophysiology physician records with a practice address in California. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 40% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2002 · median 2002 among the 261 with a school on file
  • Record last updated2021 · 54% 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 California 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 California

There are 304 clinical cardiac electrophysiology physician records in California.

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

  1. Paveljit Bindra, MDPasadena, CA 911061376531053
  2. Mayer Rashtian, M.D.Pasadena, CA 911051104876002
  3. Leo Ungar, M.D.Pasadena, CA 911051851702088
  4. William Huang, M.D.Glendale, CA 912031144457029
  5. Amir Hedayati-Rad, M.D.Glendale, CA 912041861410029
  6. John McKenzie, M.D.Glendale, CA 912041366422685
  7. Tsovinar Tekkelian, M.D.Glendale, CA 912051558447607
  8. Jesus Vazquez, M.D.Arcadia, CA 910071891841144

Common questions

What is William Leonard Discepolo, M.D.'s NPI number?

William Leonard Discepolo, M.D.'s National Provider Identifier (NPI) is 1932308137, issued on Jul 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Leonard Discepolo, M.D. located?

The NPPES record lists a practice address at 3235 E Colorado Blvd Ste 201, Pasadena, CA, 91107. Phone: (310) 896-6474. Providers update this record themselves, so call before visiting.

How can I verify William Leonard Discepolo, M.D.'s license?

NPPES lists California license number A85753, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Leonard Discepolo, M.D. prescribe under Medicare Part D?

In 2024, William Leonard Discepolo, M.D. had 3,170 Medicare Part D claims for 628 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.