DR. STEVEN C HAO (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1124019526
Clinical Cardiac Electrophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
312 CARDIAC ELECTROPHYSIOLOGY in CA
Provider Addresses for DR. STEVEN C HAO (M.D.)
165 Rowland Way Ste 201
Novato, CA 949455055
Phone: (415) 600-6500
Fax: (415) 558-5359
Type: Location
325, Distel Circle, Los Altos, Santa Clara County, California, 94022, United States
LOS ALTOS, CA 940221408
Phone: (415) 600-5600
Fax: (415) 558-5359
Type: Mailing
Van Ness Avenue, Hayes Valley, San Francisco, California, 94102, United States
SAN FRANCISCO, CA 94109
Phone: (415) 600-6500
Fax: (415) 558-5359
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $15,050.
Total Amount is formed as General ($15,050) + Research ($0) + Ownership ($0) = $15,050.
Last reported payment date: 2024-10-14 • Largest payer in this snapshot: Biosense Webster, Inc. ($14,403).
Total Amount
$15,050
General + Research + Ownership
Payments
25
Total payment records
General Amount
$15,050
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Biosense Webster, Inc. | $14,403 |
| Abbott Laboratories | $501 |
| Boston Scientific Corporation | $145 |
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: 2003-12-11
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 |
|---|---|---|---|---|
| I20031211000545 | 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 |
|---|---|---|---|---|
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 255 | 125 | $0 |
| 93296 | Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 107 | 62 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 96 | 81 | $0 |
| 93609 | Insertion of tube in upper and/or lower heart chambers to record and identify origin of abnormal heart rhythm | 92 | 79 | $0 |
| 93623 | Programming of heart rhythm stimulation after drug infusion | 84 | 77 | $0 |
Insurance plans in this area (ZIP 94945)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | CA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 54 | 39 |
| CARDIAC ELECTROPHYSIOLOGY | CA | 93284 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | 29 | 24 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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