Doctor profile · Federal record

Dr. George Mammen, M.D.

Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Houston, TX

  • NPI 1588629497
  • Accepts Medicare
  • MIPS 14.3 / 100 · 2023
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
10496 Katy Fwy Ste 130
Houston, TX 77043
(713) 464-2928
fax (713) 464-6560
Additional location
915 Gessner RD, Suite 950
Houston, TX 770242578
Mailing address
1331 W Grand Pkwy N Ste 130
Katy, TX 774932711

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 4, 2018
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Texas #F6283
Medicaid
TX #124681104

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588629497. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,381
Distinct HCPCS
10
Medicare allowed
$626,404
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 718 608 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 686 495 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 542 392 $130
J2785 Injection, regadenoson, 0.1 mg 404 99 $52
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 269 254 $198
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 203 115 $81
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 144 142 $69
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 143 17 $38
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 136 15 $27
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 129 126 $69

In context: peer comparison

Among 42 peers in this city , average services per provider: 116. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$814
Transactions
38
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 20 $331.64
Edwards Lifesciences Corporation 1 $119.91
Amgen Inc. 4 $62.23
E.R. Squibb & Sons, L.L.C. 2 $47.55
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 2 $47.41
Medtronic, Inc. 1 $47.36
PFIZER INC. 2 $41.30
Merck Sharp & Dohme LLC 2 $36.27
Lexicon Pharmaceuticals, Inc. 1 $23.88
Kiniksa Pharmaceuticals International, plc 1 $20.51
Boston Scientific Corporation 1 $20.48
HEARTFLOW, INC. 1 $15.52

By nature of payment

Food and Beverage
$814

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,478
Patients
1,977
Total drug cost
$912,748
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 1,041 319 $21,554
Atorvastatin Calcium Generic 840 249 $12,837
Amlodipine Besylate Generic 740 237 $6,818
Rosuvastatin Calcium Generic 501 148 $12,353
Carvedilol Generic 458 142 $5,479
Eliquis (Apixaban) Brand 398 111 $503,363
Clopidogrel (Clopidogrel Bisulfate) Brand 376 117 $7,151
Lisinopril Generic 375 98 $2,917
Ezetimibe Generic 290 90 $10,753
Irbesartan Generic 278 84 $9,150

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. George Mammen's medical specialty?
Dr. George Mammen practices Interventional Cardiology Physician in Houston, TX.
Where does Dr. George Mammen practice?
Dr. George Mammen practices at 10496 Katy Fwy Ste 130, Houston, TX 77043. Office phone: 7134642928.
What is Dr. George Mammen's NPI?
Dr. George Mammen's National Provider Identifier (NPI) is 1588629497, issued by NPPES.
Does Dr. George Mammen accept Medicare assignment?
Yes. Dr. George Mammen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Mammen commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.