E. JOHN R. SAMUEL (M.D.) – Cardiovascular Disease Physician, NPI 1801862156
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 E. JOHN R. SAMUEL (M.D.)
18955 N Memorial Dr Ste 200
Humble, TX 773384386
Phone: (281) 446-2999
Fax: (281) 446-5399
Type: Location
3786 Fm 1488 Rd Ste 100
The Woodlands, TX 773844986
Phone: (281) 446-2999
Type: Location
North Memorial Drive, Humble, Harris County, Texas, 77338, United States of America
STE 200
HUMBLE, TX 773384386
Phone: (281) 446-2999
Fax: (281) 446-5399
Type: Mailing
21848 HOLZWARTH RD STE 110
SPRING, TX 773883454
Phone: (281) 446-2999
Type: Location
North Memorial Drive, Humble, Harris County, Texas, 77338, United States
HUMBLE, TX 773384386
Phone: (281) 446-2999
Fax: (281) 446-5399
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 39 Open Payments records for all available years, with a total value of $1,058.
Total Amount is formed as General ($1,058) + Research ($0) + Ownership ($0) = $1,058.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Medtronic, Inc. ($305).
Total Amount
$1,058
General + Research + Ownership
Payments
39
Total payment records
General Amount
$1,058
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $305 |
| Novartis Pharmaceuticals Corporation | $218 |
| Amgen Inc. | $191 |
| Impulse Dynamics (USA) Inc. | $120 |
| Novo Nordisk Inc | $62 |
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: 2005-12-20
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 |
|---|---|---|---|---|
| I20051220000252 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,104 | 395 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 321 | 279 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 156 | 152 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 143 | 138 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 76 | 68 | $0 |
Insurance plans in this area (ZIP 77338)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | TX | |
| - | TX | |
| - | TX | |
| Cardiac Electrophysiology | TX | |
| Interventional Cardiology | WI | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | TX | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | TX | |
| Cardiovascular Disease (Cardiology) | TX | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | TX | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | TX |
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