DR. WILLIAM LEONARD II DISCEPOLO (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1932308137

DR. WILLIAM LEONARD II DISCEPOLO (M.D.) is a healthcare provider. based in Pomona, California. specializing in CARDIAC ELECTROPHYSIOLOGY, CARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. A85753 (CA). The NPI Number for DR. WILLIAM LEONARD II DISCEPOLO (M.D.) is 1932308137

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM LEONARD II DISCEPOLO (M.D.)
NPI
1932308137
Phone
(909) 623-5866
Address
1866 N Orange Grove Ave Ste 201
Enumeration Date
17 July 2007
Last Update Date
30 April 2021

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Secondary Phone
6265777050
Graduation Year
2002 (24 years ago)
PAC ID
4385687037
Group Practice PAC ID
1254410830
Professional Enrollment ID
I20050603000853
Address ID
CA911073849PA3235XBLVD401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience70
Completeness75
Years active:18State licenses:1Digital endpointsOther names

313 CARDIAC ELECTROPHYSIOLOGY in CA

Provider Addresses for DR. WILLIAM LEONARD II DISCEPOLO (M.D.)

  • 1866 N Orange Grove Ave Ste 201

    Pomona, CA 917673042

    Phone: (909) 623-5866

    Fax: (909) 623-1606

    Type: Location

  • East Colorado Boulevard, Pasadena, Los Angeles County, California, 91107, United States

    PASADENA, CA 911073849

    Phone: (626) 577-7050

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 157 Open Payments records for all available years, with a total value of $7,742.

Total Amount is formed as General ($7,742) + Research ($0) + Ownership ($0) = $7,742.

Last reported payment date: 2024-12-14 • Largest payer in this snapshot: Medtronic, Inc. ($5,339).

Total Amount

$7,742

General + Research + Ownership

Payments

157

Total payment records

General Amount

$7,742

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-14

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-06-03

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050603000853ICardiac ElectrophysiologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes4,402256$0
93297Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days36248$0
99214Established patient office or other outpatient visit, 30-39 minutes300207$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes294273$0
93294Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days12559$0
View full utilization report →

Insurance plans in this area (ZIP 91767)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1254410830View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology)CA
Nurse PractitionerCA

Reviews

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Frequently asked questions

What is the standard ID for DR. WILLIAM LEONARD II DISCEPOLO (M.D.) in the U.S.?
In the U.S., DR. WILLIAM LEONARD II DISCEPOLO (M.D.) is identified by NPI 1932308137.
Quick check: is DR. WILLIAM LEONARD II DISCEPOLO (M.D.) active?
Public NPPES data shows DR. WILLIAM LEONARD II DISCEPOLO (M.D.) with an active NPI status right now.
What services align with DR. WILLIAM LEONARD II DISCEPOLO (M.D.)'s listing?
DR. WILLIAM LEONARD II DISCEPOLO (M.D.)'s public classification highlights Clinical Cardiac Electrophysiology Physician. Clinical services aligned with this taxonomy classification.
Can patients visit DR. WILLIAM LEONARD II DISCEPOLO (M.D.) in Pomona, California?
For routing, start with Pomona, California for DR. WILLIAM LEONARD II DISCEPOLO (M.D.), then verify phone and hours locally.
Can I export DR. WILLIAM LEONARD II DISCEPOLO (M.D.)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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