DR. GEORGE MAMMEN (M.D.) – Interventional Cardiology Physician, NPI 1588629497
Interventional Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,431 CARDIOVASCULAR DISEASE (CARDIOLOGY) in TX
Provider Addresses for DR. GEORGE MAMMEN (M.D.)
1331 W GRAND PKWY N STE 130
KATY, TX 774932711
Phone: (281) 392-3401
Fax: (281) 392-7814
Type: Mailing
10496 KATY FWY STE 130
HOUSTON, TX 77043
Phone: (713) 464-2928
Fax: (713) 464-6560
Type: Location
915 Gessner Rd
Suite 950
Houston, TX 770242578
Phone: (713) 464-2928
Fax: (713) 464-6560
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 75 Open Payments records for all available years, with a total value of $1,474.
Total Amount is formed as General ($1,474) + Research ($0) + Ownership ($0) = $1,474.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($515).
Total Amount
$1,474
General + Research + Ownership
Payments
75
Total payment records
General Amount
$1,474
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-07-08
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 |
|---|---|---|---|---|
| I20100708000380 | 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 | 718 | 608 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 686 | 495 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 565 | 415 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 413 | 396 | $0 |
| J2785 | Injection, regadenoson, 0.1 mg | 404 | 99 | $0 |
Insurance plans in this area (ZIP 77493)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TX | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 23 | 23 |
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | TX | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 44 | 29 |
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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