DR. GREGG LEE SILVERMAN (M.D.) – Cardiovascular Disease Physician, NPI 1003816638
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,430 CARDIOVASCULAR DISEASE (CARDIOLOGY) in TX
Provider Addresses for DR. GREGG LEE SILVERMAN (M.D.)
Elizabeth Street, Corpus Christi, Nueces County, Texas, 78404, United States
SUITE 402
CORPUS CHRISTI, TX 784042220
Phone: (361) 887-2900
Fax: (361) 887-0942
Type: Mailing
601 TEXAN TRL STE 300
CORPUS CHRISTI, TX 784112549
Phone: (361) 887-9000
Fax: (361) 887-0942
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 40 Open Payments records for all available years, with a total value of $945.
Total Amount is formed as General ($945) + Research ($0) + Ownership ($0) = $945.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: ABIOMED ($191).
Total Amount
$945
General + Research + Ownership
Payments
40
Total payment records
General Amount
$945
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABIOMED | $191 |
| PFIZER INC. | $185 |
| Medtronic, Inc. | $183 |
| iRhythm Technologies, Inc. | $71 |
| Shockwave Medical, Inc | $44 |
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: 2010-11-29
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 |
|---|---|---|---|---|
| I20101129000757 | I | Cardiovascular Disease (Cardiology) | TX | 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 | 1,173 | 681 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,054 | 612 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 302 | 296 | $0 |
| 78452 | Nuclear medicine studies of heart muscle at rest and with stress and spect | 225 | 129 | $0 |
| J2785 | Injection, regadenoson, 0.1 mg | 224 | 56 | $0 |
Insurance plans in this area (ZIP 78404)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Interventional Cardiology, Cardiovascular Disease (Cardiology), Interventional Cardiology | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| - | TX | |
| Cardiovascular Disease (Cardiology), Internal Medicine | TX | |
| Cardiovascular Disease (Cardiology), Internal Medicine | TX | |
| Cardiovascular Disease (Cardiology), Internal Medicine | TX | |
| Cardiovascular Disease (Cardiology), Internal Medicine | TX |
Reviews
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