George Mammen, M.D.
NPI 1588629497 · Interventional Cardiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Mammen, M.D. is a Interventional Cardiology Physician provider in Houston, TX (NPI 1588629497).
Provider details
- NPI number
- 1588629497
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F6283 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,013 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 808 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 667 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 527 | $91 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 253 | $191 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 193 | $79 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 1,087 | 354 |
| Atorvastatin Calcium | 893 | 287 |
| Amlodipine Besylate | 785 | 250 |
| Rosuvastatin Calcium | 525 | 168 |
| Apixabanbrand: Eliquis | 462 | 124 |
| Carvedilol | 454 | 127 |
| Clopidogrel Bisulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$814 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 915 Gessner RdSuite 950Houston, TX 77024-2578Phone: (713) 464-2928Fax: (713) 464-6560
Registry dates
- Enumerated
- 2006-04-20
- Last updated
- 2018-10-04
Frequently asked questions
- What is George Mammen's NPI number?
- George Mammen's National Provider Identifier (NPI) is 1588629497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Mammen's specialty?
- George Mammen is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is George Mammen located?
- George Mammen's practice location on file with NPPES is 10496 Katy Fwy Ste 130, Houston, TX 77043.
- What is George Mammen's phone number?
- The practice phone number listed in the NPPES registry for George Mammen is (713) 464-2928.
- Does George Mammen accept Medicare?
- George Mammen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Mammen's NPI active?
- Yes — George Mammen's NPI (1588629497) is active in the NPPES registry as of the last update on 2018-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.