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Dr. Igor Darko Gregoric, MD

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Specializes in: Cardiac Surgery and Thoracic Surgery

University of Ljubljana Faculty of Medicine (1979)

Professional interests include: lung issues, arrhythmias (irregular heartbeats), embolectomy, and more.

601 E San Antonio Suite 204 W
Victoria, TX 77901

(361) 572-4750

Dr. Igor Darko Gregoric, MD is a cardiac surgeon in Houston, TX specializing in cardiac surgery and thoracic surgery. He graduated from University of Ljubljana Faculty of Medicine in 1979 and has 47 years of experience. Dr. Igor Darko Gregoric, MD is affiliated with UT Physicians, Memorial Hermann The Woodlands Hospital, Memorial Hermann - Texas Medical Center (TMC), Memorial Hermann Pearland Hospital, Memorial Hermann Southwest Hospital, Memorial Hermann Southeast Hospital, DeTar Healthcare System, Memorial Hermann Greater Heights Hospital, Memorial Hermann Memorial City Medical Center and Memorial Hermann.

Office Locations

1101 Bates Avenue Suite P-514
Houston, TX 77030

(832) 355-4900

(832) 355-3770

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DeTar Healthcare System

601 E San Antonio Suite 204 W
Victoria, TX 77901

(361) 572-4750

(361) 578-3301

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Memorial Hermann

6400 Fannin Street Suite 2500
Houston, TX 77030

(713) 704-4300

(713) 704-4355

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Some issues Dr. Igor Darko Gregoric, MD can help you with:

Lung Issues

Every cell in the body requires oxygen to function and produces carbon dioxide as a waste product. In order to keep the body's tissues constantly supplied with fresh oxygen and to keep waste from building up, the lungs pump air in and out, even while sleeping or unaware. Unfortunately, diseases and disorders affecting the lungs are some of the most common medical problems afflicting people around the world. Some of the most common lung problems include asthma, COPD, pneumonia, and lung cancer.

Asthma is a chronic disease where swollen, inflamed airways make it hard to breathe. It is often brought on by specific triggers. While asthma is a common condition, affecting millions of people, it can also be serious and even fatal in severe cases. Treatment involves avoiding triggers and using inhaled corticosteroid medications.

COPD, or Chronic Obstructive Pulmonary Disease, is the name given to two illnesses that both cause difficulty breathing: emphysema and chronic bronchitis. In emphysema, the air sacs of the lungs become damaged, while with bronchitis they become clogged with mucus. COPD is the fourth leading cause of death in the United States. It is almost always caused by breathing irritants into the lungs, such as smoking or heavy pollution.

Pneumonia is a lung infection that can be caused by bacteria, a virus, or fungi. Most healthy people recover from pneumonia in a week or two, but for some people pneumonia can be fatal. There are treatments available for pneumonia, but the best treatment is to prevent getting sick in the first place. People who are at risk should make sure they get a flu shot every year. There is also a vaccine available for the type of bacteria that causes pneumonia.

Lung cancer occurs when abnormal cells inside the lung grow into a tumor, destroying healthy tissue. Because it is so difficult to detect lung cancer in early stages when it has few symptoms, it is the deadliest form of cancer, responsible for the most cancer deaths both in the U.S. and worldwide. Most lung cancer is caused by exposure to tobacco smoke, but between 10-15% of cases are not linked to smoking.

Some problems with the lungs are minor and are not cause for concern. However if symptoms have lasted for a month or more, even if they are minor, it is worth checking with a healthcare professional. A cough, shortness of breath, or excess mucus production that lingers for weeks are all worth getting looked at.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2012 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	11
cardiac procedures	22
open surgery	22
thoracic (chest) surgery procedures	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2013 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and vascular procedures.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	23
cardiac procedures	68
minimally invasive procedures	11
open surgery	46
thoracic (chest) surgery procedures	46
vascular procedures	41

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Gender**
Male	60
Female	33

**Ethnicity**
Non-Hispanic White	67
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	34
85 and over	15
Less than 65	15

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	74
Asthma	12
Osteoperosis	0
Atrial Fibrilation	41
Heart Failure	75
Chronic Obstructive Pulmonary Disease	42
Diabetes	57
Dementia	15
Cancer	23

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2014 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and minimally invasive procedures.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	22
cardiac procedures	149
minimally invasive procedures	35
open surgery	57
thoracic (chest) surgery procedures	57
transplant procedures	13
vascular procedures	35

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Gender**
Male	84
Female	39

**Ethnicity**
Non-Hispanic White	79
Black	19
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	29
85 and over	22
Less than 65	26

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	75
Depression	30
Chronic Kidney Disease	66
Asthma	15
Osteoperosis	11
Atrial Fibrilation	46
Heart Failure	75
Chronic Obstructive Pulmonary Disease	41
Diabetes	61
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2015 were cardiac procedures, minimally invasive procedures, vascular procedures and thoracic (chest) surgery procedures.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	28
cardiac procedures	226
minimally invasive procedures	73
open surgery	56
thoracic (chest) surgery procedures	56
vascular procedures	73

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Gender**
Male	184
Female	124

**Ethnicity**
Non-Hispanic White	222
Black	0
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	94
85 and over	60
Less than 65	52

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	69
Asthma	18
Osteoperosis	0
Atrial Fibrilation	38
Heart Failure	75
Chronic Obstructive Pulmonary Disease	38
Diabetes	59
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2016 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	21
cardiac procedures	68
minimally invasive procedures	13
open surgery	42
thoracic (chest) surgery procedures	42
vascular procedures	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Gender**
Male	58
Female	13

**Ethnicity**
Non-Hispanic White	41
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	19

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	75
Asthma	31
Osteoperosis	0
Atrial Fibrilation	48
Heart Failure	75
Chronic Obstructive Pulmonary Disease	39
Diabetes	61
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2017 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	15
cardiac procedures	30
open surgery	30
thoracic (chest) surgery procedures	30

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Gender**
Male	33
Female	16

**Ethnicity**
Non-Hispanic White	29
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	23
From 75 to 84	0
85 and over	0
Less than 65	13

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	51
Heart Failure	75
Chronic Obstructive Pulmonary Disease	29
Diabetes	65
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX during 2018 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

bypass surgery	12
cardiac procedures	24
open surgery	24
thoracic (chest) surgery procedures	24

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Age**
From 65 to 74	14
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	52
Heart Failure	75
Chronic Obstructive Pulmonary Disease	35
Diabetes	65
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	69
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	75
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	75
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	75
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Igor Darko Gregoric, MD for Medicare patients.

The highest averages for the top procedures that Dr. Igor Darko Gregoric, MD treated as a cardiac surgeon in Houston, TX were cardiac procedures, vascular procedures, thoracic (chest) surgery procedures and open surgery.

bypass surgery	18
cardiac procedures	83
minimally invasive procedures	33
open surgery	39
thoracic (chest) surgery procedures	39
transplant procedures	13
vascular procedures	40

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Igor Darko Gregoric, MD.

**Gender**
Male	41
Female	22

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	43
Native American / Alaskan Native	0
Hispanic	7
Other	0

**Age**
75 to 84	15
85 and over	9
Less than 65	12
65 to 74	24

Average of Total of Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Igor Darko Gregoric, MD treated were heart failure, high cholesterol, hypertension and ischemic heart disease.

Hypertension	67
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	67
Depression	9
Chronic Kidney Disease	50
Asthma	7
Osteoporosis	1
Heart Failure	67
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Atrial Fibrillation	27
Dementia	4
Cancer	5

Education & Training

Dr. Igor Darko Gregoric, MD graduated from University of Ljubljana Faculty of Medicine in 1979. He completed residency at University of Texas Health Science Center at Houston and Affiliated Hospitals. He is certified by the American Board of Thoracic Surgery Surgery - Thoracic and has a state license in Texas.

Medical School: University of Ljubljana Faculty of Medicine (1979)

Residency: University of Texas Health Science Center at Houston and Affiliated Hospitals (1996)

Board Certification: American Board of Thoracic Surgery Surgery - Thoracic

Licensed In: Texas

Affiliations & Hospitals

Dr. Igor Darko Gregoric, MD is associated with these hospitals and organizations:

UT Physicians

Memorial Hermann The Woodlands Hospital

Memorial Hermann - Texas Medical Center (TMC)

Memorial Hermann Pearland Hospital

Memorial Hermann Southwest Hospital

Memorial Hermann Southeast Hospital

DeTar Healthcare System

Memorial Hermann Greater Heights Hospital

Memorial Hermann Memorial City Medical Center

Memorial Hermann

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. Igor Darko Gregoric, MD appears to accept the following insurance providers: Aetna Medicare, BlueCross BlueShield of Texas, Superior Health Plan, Amerigroup Star Plus, Amerigroup Star, Private Healthcare Systems (PHCS), WellCare, Medicare Advantage, MultiPlan, AARP, United Healthcare Medicare Complete, HealthSpring, US Family Health Plan, Amerigroup, United Healthcare, Galaxy Health Network, Medicaid, Humana, Cigna, Coventry, HealthSmart, First Health, Beech Street, HealthLink, Memorial Hermann Solutions, Memorial Hermann Advantage HMO, Memorial Hermann Advantage PPO, Community Health Choice Chip, Independant Medical Systems, Community Health Choice Marketplace QHP, Community Health Choice, Amerivantage, Aetna Most Benefit Plans, Reny Company Worker's Comp, WorkLink Worker's Comp, OccuNet PPO - PPO Network, Coastal Comp Healthnetworks Work Comp, Medicare Traditional, Aetna Signature Administrators PPO, Community Health Choice Marketplace Kelsey QHP, USA Managed Care Organization - PPO Network, Medicus International - PPO Network and Community Health Choice Star.

Insurance Accepted by Provider includes:

According to our sources, Dr. Igor Darko Gregoric, MD accepts the following insurance providers:

Aetna Medicare

BlueCross BlueShield of Texas

Superior Health Plan

Amerigroup Star Plus

Amerigroup Star

Private Healthcare Systems (PHCS)

WellCare

Medicare Advantage

MultiPlan

AARP

United Healthcare Medicare Complete

HealthSpring

US Family Health Plan

Amerigroup

United Healthcare

Galaxy Health Network

Medicaid

Humana

Cigna

Coventry

HealthSmart

First Health

Beech Street

HealthLink

Memorial Hermann Solutions

Memorial Hermann Advantage HMO

Memorial Hermann Advantage PPO

Community Health Choice Chip

Independant Medical Systems

Community Health Choice Marketplace QHP

Community Health Choice

Amerivantage

Aetna Most Benefit Plans

Reny Company Worker's Comp

WorkLink Worker's Comp

OccuNet PPO - PPO Network

Coastal Comp Healthnetworks Work Comp

Medicare Traditional

Aetna Signature Administrators PPO

Community Health Choice Marketplace Kelsey QHP

USA Managed Care Organization - PPO Network

Medicus International - PPO Network

Community Health Choice Star

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General Payments

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

**Payments by Company**
Thoratec Corporation	$10,637 HeartMate III R and D $5,757	HeartMate II $2,578	Apica R AND D $1,811	MCS Multiple Products General $235	PVAD IVAD $133	Other $124
HeartWare, Inc.	$9,128 HeartWare Ventricular Assist System $5,340	HeartWare HVAD $3,788
St. Jude Medical, Inc.	$5,469 HeartMate PHP $2,653	Structural Heart $1,350	Epic Stented Tissue Valve $723	Electrophysiology $548	CRM $188	Other $7
Edwards Lifesciences Corporation	$2,897 Transcatheter Heart Valves $316	Edwards SAPIEN 3 Transcatheter Heart Valve $151	Pericardial Heart Valves $150	$2,279
TransMedics, Inc.	$2,876 Organ Care System $2,876
Other	$10,445 TANDEMHEART $1,717	TAH-T $755	HeartWare HVAD $579	ADVISOR $416	The SynCardia Total Artificial Heart $416	Other $6,562

**Types of Payments**
Food and Beverage	$17,062
Travel and Lodging	$16,081
Consulting Fee	$6,700
Honoraria	$1,500
Education	$108

Research Payments

Dr. Igor Darko Gregoric, MD has received 68 research payments totaling $287,306.

Biography

Dr. Igor Gregoric is a specialist in cardiac surgery and thoracic surgery. He works in Houston, TX and Victoria, TX. Areas of expertise for Dr. Gregoric include arrhythmias (irregular heartbeats), advanced heart failure, and heart transplant. Amerigroup, Blue California, and Coventry are among the insurance carriers that Dr. Gregoric honors. Dr. Gregoric attended medical school at the University of Ljubljana Faculty of Medicine. His medical residency was performed at Memorial Hermann, Texas Heart Institute, and a hospital affiliated with the University of Texas Health Science Center at Houston. His professional affiliations include Memorial Hermann Greater Heights Hospital, Memorial Hermann Southeast Hospital, and Memorial Hermann Southwest Hospital.