DR. HENNESSEY TSENG (M.D.) – Cardiovascular Disease Physician, NPI 1003811746
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,010 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CA
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Provider Addresses for DR. HENNESSEY TSENG (M.D.)
Treat Boulevard, Walnut Creek, Contra Costa County, California, 94519, United States
SUITE 220B
WALNUT CREEK, CA 945972168
Phone: (925) 937-1770
Fax: (925) 937-0630
Type: Location
DEPT 34929
P.O. BOX 39000
SAN FRANCISCO, CA 941390001
Phone: (925) 952-2828
Fax: (925) 952-2850
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 260 Open Payments records for all available years, with a total value of $5,671.
Total Amount is formed as General ($5,671) + Research ($0) + Ownership ($0) = $5,671.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: BIOTRONIK INC. ($495).
Total Amount
$5,671
General + Research + Ownership
Payments
260
Total payment records
General Amount
$5,671
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BIOTRONIK INC. | $495 |
| Impulse Dynamics (USA) Inc. | $454 |
| Novo Nordisk Inc | $309 |
| Merck Sharp & Dohme LLC | $278 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $266 |
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: 2008-07-28
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 |
|---|---|---|---|---|
| I20080728000347 | I | Cardiovascular Disease (Cardiology) | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 808 | 540 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 698 | 607 | $0 |
| G2066 | Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec | 469 | 62 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 426 | 416 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 402 | 374 | $0 |
Insurance plans in this area (ZIP 94597)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | CA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 129 | 64 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Pediatric Medicine | CA | |
| Thoracic Surgery | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Internal Medicine | CA | |
| U R O L O G Y | CA | |
| Internal Medicine, Hospitalist | CA | |
| H O S P I T A L I S T | CA | |
| H O S P I T A L I S T | PA |
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