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Home > TX Providers > Interventional Cardiologists

Dr. George A. Kantis, MD

Accepting New Patients

(20 Ratings)

Specializes in: Interventional Cardiology, Hospital Medicine (Hospitalist), Nuclear Cardiology and Adult Cardiology

St. George's University School of Medicine

Professional interests include: patient education

2255 E Mossy Oaks Road Suite 600
Spring, TX 77389

(281) 444-3278

Dr. George A. Kantis, MD is an interventional cardiologist in Spring, TX specializing in interventional cardiology, hospital medicine (hospitalist), nuclear cardiology and adult cardiology. He graduated from St. George's University School of Medicine. Dr. George A. Kantis, MD is affiliated with Baylor St. Luke's Medical Group, TX Health Network and BAYLOR ST LUKES MEDICAL GROUP.

Office Locations

2255 E Mossy Oaks Road Suite 600
Spring, TX 77389

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17350 St. Luke's Way Suite 400
The Woodlands, TX 77384

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Noteworthy Medicare Patient Procedures Performed by Dr. George A. Kantis, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

transesophageal echocardiography

In 2023, Dr. George A. Kantis, MD performed more transesophageal echocardiography (TEE) procedures for Medicare patients than 95% of providers in related specialties within Texas.

Top 25%

By Volume:

cardiac procedures

Doppler echocardiography

echocardiogram

inpatient hospital care

stress EKG

ultrasound

In 2012, Dr. George A. Kantis, MD performed more cardiac procedures, Doppler echocardiography, echocardiogram (echo), inpatient hospital care (for patient admitted to hospital), stress EKG, and ultrasound (sonogram) procedures for Medicare patients than 75% of providers in related specialties within Texas.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2012 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	750
cardioversion	18
doctor visit	796
hospital care	870
inpatient care	870
lab tests	37
minimally invasive procedures	21
nuclear scan	198
stress testing	384
ultrasound (sonogram)	380
vascular procedures	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2013 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	415
cardioversion	16
doctor visit	888
hospital care	857
inpatient care	857
lab tests	56
minimally invasive procedures	22
nuclear scan	66
stress testing	134
ultrasound (sonogram)	312
vascular procedures	31

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	480
Female	585

**Ethnicity**
Non-Hispanic White	758
Black	185
Hispanic	94
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	422
From 75 to 84	327
85 and over	162
Less than 65	154

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2013

Hypertension	75
High Cholesterol	70
Stroke	17
Ischemic Heart Disease	63
Depression	29
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	46
Chronic Obstructive Pulmonary Disease	29
Diabetes	43
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2014 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	447
doctor visit	895
hospital care	740
inpatient care	740
lab tests	101
minimally invasive procedures	15
nuclear scan	71
stress testing	163
ultrasound (sonogram)	302
vascular procedures	18

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	459
Female	516

**Ethnicity**
Non-Hispanic White	698
Black	166
Hispanic	82
Asian	16
Other	13
Native American	0

**Age**
From 65 to 74	363
From 75 to 84	312
85 and over	143
Less than 65	157

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	16
Ischemic Heart Disease	62
Depression	28
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	9
Atrial Fibrilation	32
Heart Failure	49
Chronic Obstructive Pulmonary Disease	30
Diabetes	46
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2015 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	531
cardioversion	11
doctor visit	927
hospital care	996
inpatient care	996
lab tests	53
minimally invasive procedures	11
nuclear scan	60
stress testing	205
ultrasound (sonogram)	337
vascular procedures	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	928
Female	1064

**Ethnicity**
Non-Hispanic White	1528
Black	242
Hispanic	176
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	816
From 75 to 84	644
85 and over	318
Less than 65	214

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2015

Hypertension	75
High Cholesterol	74
Stroke	16
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	47
Asthma	20
Osteoperosis	10
Atrial Fibrilation	34
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	44
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2016 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	613
doctor visit	1027
hospital care	917
inpatient care	917
minimally invasive procedures	17
nuclear scan	62
stress testing	218
ultrasound (sonogram)	417
vascular procedures	22

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	563
Female	627

**Ethnicity**
Non-Hispanic White	866
Black	166
Hispanic	117
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	491
From 75 to 84	360
85 and over	191
Less than 65	148

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	14
Ischemic Heart Disease	59
Depression	28
Chronic Kidney Disease	55
Asthma	28
Osteoperosis	10
Atrial Fibrilation	31
Heart Failure	50
Chronic Obstructive Pulmonary Disease	26
Diabetes	44
Dementia	25
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2017 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	613
cardioversion	16
doctor visit	1183
hospital care	879
inpatient care	879
minimally invasive procedures	20
nuclear scan	69
stress testing	239
ultrasound (sonogram)	422
vascular procedures	48

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	584
Female	614

**Ethnicity**
Non-Hispanic White	870
Black	187
Hispanic	108
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	473
From 75 to 84	381
85 and over	200
Less than 65	144

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	14
Ischemic Heart Disease	61
Depression	29
Chronic Kidney Disease	55
Asthma	11
Osteoperosis	11
Atrial Fibrilation	32
Heart Failure	48
Chronic Obstructive Pulmonary Disease	26
Diabetes	45
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2018 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	540
cardioversion	11
doctor visit	1163
hospital care	601
inpatient care	601
minimally invasive procedures	21
nuclear scan	50
stress testing	186
ultrasound (sonogram)	400
vascular procedures	46

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	474
Female	534

**Ethnicity**
Non-Hispanic White	790
Black	116
Hispanic	74
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	392
From 75 to 84	349
85 and over	164
Less than 65	103

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	52
Asthma	8
Osteoperosis	11
Atrial Fibrilation	34
Heart Failure	44
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	599
cardioversion	20
doctor visit	1294
hospital care	787
inpatient care	787
minimally invasive procedures	66
nuclear scan	39
stress testing	172
ultrasound (sonogram)	475
vascular procedures	48

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	546
Female	512

**Ethnicity**
Non-Hispanic White	865
Black	95
Hispanic	70
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	437
From 75 to 84	388
85 and over	160
Less than 65	73

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	60
Depression	25
Chronic Kidney Disease	55
Asthma	8
Osteoperosis	9
Atrial Fibrilation	35
Heart Failure	47
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2020 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	468
cardioversion	14
doctor visit	1091
hospital care	511
inpatient care	511
minimally invasive procedures	40
nuclear scan	24
stress testing	106
ultrasound (sonogram)	392
vascular procedures	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	512
Female	496

**Ethnicity**
Non-Hispanic White	882
Black	47
Hispanic	54
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	419
From 75 to 84	397
85 and over	145
Less than 65	47

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	48
Asthma	7
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	40
Chronic Obstructive Pulmonary Disease	20
Diabetes	39
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2021 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	518
cardioversion	17
doctor visit	1134
hospital care	577
inpatient care	577
minimally invasive procedures	44
nuclear scan	25
stress testing	130
ultrasound (sonogram)	435
vascular procedures	47

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	574
Female	550

**Ethnicity**
Non-Hispanic White	966
Black	70
Hispanic	62
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	456
From 75 to 84	436
85 and over	179
Less than 65	53

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	59
Depression	25
Chronic Kidney Disease	49
Asthma	8
Osteoperosis	9
Atrial Fibrilation	37
Heart Failure	44
Chronic Obstructive Pulmonary Disease	22
Diabetes	40
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

cardiac procedures	561
cardioversion	24
doctor visit	981
hospital care	431
inpatient care	431
minimally invasive procedures	77
nuclear scan	26
stress testing	145
ultrasound (sonogram)	458
vascular procedures	42

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	628
Female	531

**Ethnicity**
Non-Hispanic White	1013
Black	54
Hispanic	59
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	451
From 75 to 84	468
85 and over	197
Less than 65	43

Conditions of Medicare patients treated by Dr. George A. Kantis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	50
Depression	25
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	13
Atrial Fibrilation	49
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	12
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. George A. Kantis, MD for Medicare patients.

The highest averages for the top procedures that Dr. George A. Kantis, MD treated as an interventional cardiologist in Spring, TX were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

cardiac procedures	550
cardioversion	16
doctor visit	1034
hospital care	742
inpatient care	742
lab tests	61
minimally invasive procedures	32
nuclear scan	62
stress testing	189
ultrasound (sonogram)	393
vascular procedures	32

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. George A. Kantis, MD.

**Gender**
Male	522
Female	548

**Ethnicity**
Black / African American	120
Asian / Pacific Islander	8
Non-Hispanic White	839
Native American / Alaskan Native	0
Hispanic	81
Other	2

**Age**
75 to 84	369
85 and over	169
Less than 65	103
65 to 74	429

Average of Total of Conditions of Medicare patients treated by Dr. George A. Kantis, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. George A. Kantis, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	53
Depression	24
Chronic Kidney Disease	44
Asthma	11
Osteoporosis	9
Heart Failure	41
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Atrial Fibrillation	31
Dementia	17
Cancer	13

Education & Training

Dr. George A. Kantis, MD graduated from St. George's University School of Medicine. He is certified by the American Board of Internal Medicine: Cardiovascular Disease and has a state license in Connecticut.

Medical School: St. George's University School of Medicine

Board Certification: American Board of Internal Medicine: Cardiovascular Disease

Licensed In: Connecticut

Affiliations & Hospitals

Dr. George A. Kantis, MD is associated with these hospitals and organizations:

Baylor St. Luke's Medical Group

TX Health Network

BAYLOR ST LUKES MEDICAL GROUP

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. George A. Kantis, MD appears to accept the following insurance providers: Aetna Managed Care, Private Healthcare Systems (PHCS), Humana Medicare Advantage, Medicare Advantage, TriWest, MultiPlan, USA Managed Care Organization, Texas True Choice, Rockport Healthcare Group, United Healthcare, Unicare, Medicare, Galaxy Health Network, Medicaid, Humana, Evolutions Healthcare Systems, TRICARE, Blue California, HealthSmart, First Health, Beech Street, WellPoint, Texan Plus, Interlink, Texas Children's Health Plan, NX Health Network (NHXN), Admar Corporation, Coastal Comp Health Network, Community Health Choice, Ambetter, Reny Company, Optum HealthCare Solutions, Blue Distinction, Devoted Health Plans, Independent Medical Systems, Provider Networks of America, KelseyCare Adm by Boon Chapman, National Preferred Provider Network to Coalition America Company (Currently known as Stratose), Entrust, Integrated Health Plan, Life Trac (Transplants), Renaissance Physician Organization, Blue Distinction Center for Transplant and DIRECT CARE AMERICA.

Insurance Accepted by Provider includes:

According to our sources, Dr. George A. Kantis, MD accepts the following insurance providers:

Aetna Managed Care

Private Healthcare Systems (PHCS)

Humana Medicare Advantage

Medicare Advantage

TriWest

MultiPlan

USA Managed Care Organization

Texas True Choice

Rockport Healthcare Group

United Healthcare

Unicare

Medicare

Galaxy Health Network

Medicaid

Humana

Evolutions Healthcare Systems

TRICARE

Blue California

HealthSmart

First Health

Beech Street

WellPoint

Texan Plus

Interlink

Texas Children's Health Plan

NX Health Network (NHXN)

Admar Corporation

Coastal Comp Health Network

Community Health Choice

Ambetter

Reny Company

Optum HealthCare Solutions

Blue Distinction

Devoted Health Plans

Independent Medical Systems

Provider Networks of America

KelseyCare Adm by Boon Chapman

National Preferred Provider Network to Coalition America Company (Currently known as Stratose)

Entrust

Integrated Health Plan

Life Trac (Transplants)

Renaissance Physician Organization

Blue Distinction Center for Transplant

DIRECT CARE AMERICA

Ratings & Reviews

Dr. George A. Kantis, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 20 ratings. We collect ratings and reviews of Dr. George A. Kantis, MD from all over the web to help you find the right in Spring, TX.

Overall Rating

(20 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-01-09

Patient verified via Press Ganey

Dr Kantis always makes me feel like he is listening to my concerns and is always willing to take as much time as needed to ensure all my questions are answered and that I understand the plan.

Overall Rating: 5.0 2024-09-22

Patient verified via Press Ganey

My appointment with Dr.Kantis was Informative. He addressed my concerns/questions in a comforting manner which I easily understood. I would definitely recommend him to my friends.

Overall Rating: 5.0 2025-10-13

Patient verified via Press Ganey

Dr Kantis always listens and explains issues very well. I never hesitate to ask questions and he never sends to be in a hurry for his next appointment. This is very appreciated.

Overall Rating: 5.0 2025-03-05

Patient verified via Press Ganey

Dr Kantis demonstrated care & concern; explained lab results from another physician; and gave me the opportunity to discuss other aspects of my health.

Overall Rating: 5.0 2025-09-01

Patient verified via Press Ganey

Dr George kantis cardiologist takes personal care of me, he treats me like I'm part of his family. I know that I am getting the best care available.

Overall Rating: 5.0 2025-09-01

Patient verified via Press Ganey

Dr. Kantis is a rare, highly intelligent, caring expert on health. Wish he would stay a little more updated on alternative health care strategies.

Overall Rating: 5.0 2024-08-20

Patient verified via Press Ganey

[...] is excellent & informative as is Dr Kantis. Always a great experience when meeting with either of them!

Overall Rating: 5.0 2026-01-30

Patient verified via Press Ganey

Dr Kantis is very caring, very professional, and an awesome doctor. I highly recommend him to anybody.

Overall Rating: 5.0 2024-10-02

Patient verified via Press Ganey

Excellent listener, very human, very good to be around an excellent NP

Overall Rating: 5.0 2025-01-23

Patient verified via Press Ganey

Dr Kantis listened to me and took time to respond in depth.

To see all 20 reviews for Dr. George A. Kantis, MD, view their full profile.

General Payments

These charts describe general payments received by Dr. George A. Kantis, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
BIOTRONIK INC.	$2,097 Bradycardia products $1,622	$475
Boston Scientific Corporation	$1,209 Tachy System $221	TACHY HF $209	Brady System $165	GENERAL - BRADY GENERATORS $101	X4 CRTD $99	Other $415
Abbott Laboratories	$1,141 Connectivity and Remote care $187	Ensite Cardiac Mapping System $175	Merlin Connectivity and Remote $162	MitraClip $151	THORATEC HEARTMATE 3 LVAS IMPLANT KIT $111	Other $355
Edwards Lifesciences Corporation	$337 EDWARDS INTUITY Elite valve system $137	Carpentier-Edwards Physio II Annuloplasty Ring $105	Transcatheter Heart Valves $95
Amgen Inc.	$168 Repatha $168
Other	$661 Impella $142	Unify Assura $132	VYNDAQEL $112	BRILINTA $99	Implantable Cardioverter Defibrillators - ICDs $65	Other $111

**Types of Payments**
Food and Beverage	$5,514
Education	$99

Biography

Dr. George Kantis is an adult cardiology, interventional cardiology, and hospital medicine (hospitalist) specialist in The Woodlands, TX and Spring, TX. Dr. Kantis (or staff) speaks the following foreign languages: Spanish, German, and Greek. His clinical interests encompass patient education. He studied medicine at St. George's University School of Medicine. Patient reviews placed him at an average of 5.0 stars (out of 5). Dr. Kantis is in-network for several insurance carriers, including Blue California, HealthSmart, and Coventry. He has an open panel in The Woodlands, TX according to Doctor.com.