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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: heart surgery

601 E San Antonio Suite 204 West
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 46 years of experience. Dr. Igor Darko Gregoric, MD is affiliated with DeTar Healthcare System, UT Physicians and Memorial Hermann.

Office Locations

Address:

1101 Bates Avenue Suite P-514
Houston, TX 77030

Address:

601 E San Antonio Suite 204 West
Victoria, TX 77901

Address:

6400 Fannin Street Suite 2500, 713) 704-4300
Houston, TX 77030

In The News

“Dr. Igor Gregoric, a transplant surgeon at UTHealth Houston Heart & Vascular and Memorial Hermann, is part of the team that helped launch the center.”—"Memorial Hermann doctors share memorable stories from 10 years of heart transplants", Houston Chronicle, October 2022

“Mallidi -- referred to in the CMS inspector notes as the "replacement surgeon" -- was hired five years later, in 2012, around the same time the program's longtime No. 2 surgeon, Igor Gregoric, left...”—"Houston heart surgery 'legend' a factor in transplant deaths, a St. Luke's colleague told inspector", Houston Chronicle, September 2018

“1 of 4 Frank and Carolyn Grese, left, and Dr. Igor Gregoric A Tony Bullard 2014/Freelance Show More Show Less 2 of 4 Jan Carson and Tim Connolly A Tony Bullard 2014/Freelance Show More Show Less...”—"Heart Ball ignites the night, raising $1.5 million for the AHA", Houston Chronicle, February 2014

bypass surgery	22
cardiac procedures	59
minimally invasive procedures	10
open surgery	43
thoracic (chest) surgery procedures	43
vascular procedures	39

**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

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

bypass surgery	21
cardiac procedures	140
minimally invasive procedures	34
open surgery	54
thoracic (chest) surgery procedures	54
transplant procedures	12
vascular procedures	33

**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

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

bypass surgery	27
cardiac procedures	217
minimally invasive procedures	72
open surgery	53
thoracic (chest) surgery procedures	53
vascular procedures	71

**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

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

bypass surgery	20
cardiac procedures	59
minimally invasive procedures	12
open surgery	39
thoracic (chest) surgery procedures	39
vascular procedures	11

**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

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

bypass surgery	14
cardiac procedures	21
open surgery	27
thoracic (chest) surgery procedures	27

**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

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

bypass surgery	11
cardiac procedures	15
open surgery	21
thoracic (chest) surgery procedures	21

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

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

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

Average Medicare Procedure Volume From 2013 - 2019

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, thoracic (chest) surgery procedures, open surgery and vascular procedures.

bypass surgery	19
cardiac procedures	89
minimally invasive procedures	32
open surgery	40
thoracic (chest) surgery procedures	40
transplant procedures	12
vascular procedures	39

Average Medicare Patient Data From 2013 - 2019

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

**Gender**
Female	22
Male	41

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

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

Average of Total of Conditions of Medicare patients treated by Dr. Igor Darko Gregoric, MD From 2013 - 2019

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	52
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	52
Depression	9
Chronic Kidney Disease	50
Asthma	7
Osteoporosis	1
Heart Failure	52
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 Memorial Hermann. 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: Memorial Hermann (1998)

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:

DeTar Healthcare System

UT Physicians

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, Aetna, US Family Health Plan, Amerigroup, United Healthcare, Galaxy Health Network, Medicaid, Humana, Cigna, Molina Healthcare, 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, Reny Company Worker's Comp, WorkLink Worker's Comp, OccuNet PPO - PPO Network, Coastal Comp Healthnetworks Work Comp, Medicare Traditional, 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

Aetna

US Family Health Plan

Amerigroup

United Healthcare

Galaxy Health Network

Medicaid

Humana

Cigna

Molina Healthcare

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

Reny Company Worker's Comp

WorkLink Worker's Comp

OccuNet PPO - PPO Network

Coastal Comp Healthnetworks Work Comp

Medicare Traditional

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. Dr. Gregoric has indicated that his clinical interests include heart surgery. Amerigroup, Blue California, and Coventry appears to be the insurance carriers that Dr. Gregoric takes. Before completing his residency at Memorial Hermann and Texas Heart Institute, Dr. Gregoric attended medical school at the University of Ljubljana Faculty of Medicine. Dr. Gregoric is affiliated with Memorial Hermann, UT Physicians, and DeTar Healthcare System.