BYRON KWOCK LEE (MD) – Clinical Cardiac Electrophysiology Physician, NPI 1700835584
Clinical Cardiac Electrophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
313 CARDIAC ELECTROPHYSIOLOGY in CA
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Provider Addresses for BYRON KWOCK LEE (MD)
1635 DIVISADERO STREET, SUITE 625, BOX 1821
SAN FRANCISCO, CA 941430001
Phone: (415) 476-4029
Fax: (415) 476-4150
Type: Mailing
Starbucks, 350, Parnassus Avenue, Cole Valley, San Francisco, California, 94117, United States
SAN FRANCISCO, CA 941430001
Phone: (415) 353-2554
Fax: (415) 353-4339
Type: Location
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 82 Open Payments records for all available years, with a total value of $65,364.
Total Amount is formed as General ($65,364) + Research ($0) + Ownership ($0) = $65,364.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) ($51,088).
Total Amount
$65,364
General + Research + Ownership
Payments
82
Total payment records
General Amount
$65,364
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $51,088 |
| Cook Incorporated | $8,515 |
| Abbott Laboratories | $3,713 |
| Impulse Dynamics (USA) Inc. | $463 |
| Boston Scientific Corporation | $422 |
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: 2004-03-24
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040324000820 | I | Cardiac Electrophysiology | CA | TBD |
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.
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
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 1,557 | 1,229 | $0 |
| 93294 | Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 505 | 152 | $0 |
| 93295 | Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 242 | 75 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 170 | 135 | $0 |
| 93280 | Programming of dual lead pacemaker system | 119 | 88 | $0 |
Insurance plans in this area (ZIP 94143)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | CA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 105 | 101 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | CA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 168 | 99 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Hematology, Medical Oncology | NY | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Neuropsychiatry, Neurology | CA |
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