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Dr. Johnasan M. Gregory, MD

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Specializes in: Adult Gastroenterology

University of Texas Health Science Center at San Antonio, School of Medicine

P O Box 5080
Longview, TX 75608

(903) 720-0674

Dr. Johnasan M. Gregory, MD is a gastroenterologist in Sherman, TX specializing in adult gastroenterology. He graduated from University of Texas Health Science Center at San Antonio, School of Medicine. Dr. Johnasan M. Gregory, MD is affiliated with Longview Regional Medical Center.

Office Locations

300 N Highland Avenue Suite 340
Sherman, TX 75092

(903) 957-0233

(903) 957-0263

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Longview Regional Medical Center

P O Box 5080
Longview, TX 75608

(903) 720-0674

(903) 753-9651

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

anastomosis	11
blood draw	26
catheterization	11
diagnostic procedures	75
doctor visit	249
gastrointestinal procedures	159
hospital care	273
inpatient care	273
minimally invasive procedures	159
preventive care	44
removal of lesion (e.g. growth)	75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

anastomosis	13
blood draw	53
catheterization	13
diagnostic procedures	71
doctor visit	275
gastrointestinal procedures	164
hospital care	622
inpatient care	622
minimally invasive procedures	164
preventive care	35
removal of lesion (e.g. growth)	71

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	160
Female	226

**Ethnicity**
Non-Hispanic White	353
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	113
85 and over	56
Less than 65	80

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	12
Ischemic Heart Disease	63
Depression	41
Chronic Kidney Disease	38
Asthma	14
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	49
Chronic Obstructive Pulmonary Disease	44
Diabetes	41
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2014 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

doctor visit	78
hospital care	116
inpatient care	116
nursing home care	34

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	65
Female	88

**Ethnicity**
Non-Hispanic White	126
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	41
85 and over	26
Less than 65	33

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2014

Hypertension	75
High Cholesterol	54
Stroke	11
Ischemic Heart Disease	50
Depression	39
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	47
Chronic Obstructive Pulmonary Disease	35
Diabetes	48
Dementia	28
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2015 were hospital care, inpatient care, outpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

diagnostic procedures	17
doctor visit	295
gastrointestinal procedures	35
hospital care	1012
inpatient care	875
minimally invasive procedures	35
nursing home care	34
outpatient care	137
preventive care	18
removal of lesion (e.g. growth)	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	368
Female	488

**Ethnicity**
Non-Hispanic White	686
Black	142
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	254
85 and over	174
Less than 65	138

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2015

Hypertension	75
High Cholesterol	64
Stroke	18
Ischemic Heart Disease	55
Depression	39
Chronic Kidney Disease	44
Asthma	26
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	45
Chronic Obstructive Pulmonary Disease	39
Diabetes	45
Dementia	34
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2016 were hospital care, inpatient care, outpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

diagnostic procedures	15
doctor visit	213
gastrointestinal procedures	33
hospital care	1541
inpatient care	1202
minimally invasive procedures	33
outpatient care	339
preventive care	18
removal of lesion (e.g. growth)	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	162
Female	268

**Ethnicity**
Non-Hispanic White	359
Black	56
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	136
85 and over	97
Less than 65	60

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	54
Depression	32
Chronic Kidney Disease	45
Asthma	36
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	43
Chronic Obstructive Pulmonary Disease	37
Diabetes	42
Dementia	33
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

doctor visit	222
hospital care	650
inpatient care	471
outpatient care	179

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	112
Female	183

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	104
85 and over	46
Less than 65	43

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	12
Ischemic Heart Disease	49
Depression	31
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2018 were hospital care, inpatient care, outpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

diagnostic procedures	12
doctor visit	289
gastrointestinal procedures	33
hospital care	450
inpatient care	368
minimally invasive procedures	33
outpatient care	82
preventive care	21
removal of lesion (e.g. growth)	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	77
Female	142

**Ethnicity**
Non-Hispanic White	202
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	74
85 and over	36
Less than 65	15

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	50
Depression	35
Chronic Kidney Disease	41
Asthma	8
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	29
Diabetes	42
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

diagnostic procedures	12
doctor visit	240
gastrointestinal procedures	23
hospital care	43
inpatient care	43
minimally invasive procedures	23
preventive care	11
removal of lesion (e.g. growth)	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	72
Female	86

**Age**
From 65 to 74	65
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	49
Depression	26
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2020 were hospital care, inpatient care, removal of lesion (e.g. growth) and minimally invasive procedures.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

diagnostic procedures	12
doctor visit	175
gastrointestinal procedures	12
hospital care	59
inpatient care	59
minimally invasive procedures	12
removal of lesion (e.g. growth)	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	49
Female	78

**Age**
From 65 to 74	47
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2020

Hypertension	72
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	39
Depression	26
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

doctor visit	185

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	40
Female	61

**Age**
From 65 to 74	42
From 75 to 84	44
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2021

Hypertension	74
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	40
Depression	19
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

doctor visit	150
hospital care	58
inpatient care	58

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	49
Female	64

**Age**
From 65 to 74	54
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	32
Depression	29
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	18
Atrial Fibrilation	22
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	14
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Johnasan M. Gregory, MD for Medicare patients.

The highest averages for the top procedures that Dr. Johnasan M. Gregory, MD treated as a gastroenterologist in Sherman, TX were hospital care, inpatient care, outpatient care and minimally invasive procedures.

anastomosis	12
blood draw	39
catheterization	12
diagnostic procedures	30
doctor visit	215
gastrointestinal procedures	65
hospital care	482
inpatient care	408
minimally invasive procedures	65
nursing home care	34
outpatient care	184
preventive care	24
removal of lesion (e.g. growth)	30

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Johnasan M. Gregory, MD.

**Gender**
Male	104
Female	153

**Ethnicity**
Black / African American	20
Asian / Pacific Islander	0
Non-Hispanic White	179
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	83
85 and over	39
Less than 65	33
65 to 74	92

Average of Total of Conditions of Medicare patients treated by Dr. Johnasan M. Gregory, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Johnasan M. Gregory, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	43
Depression	28
Chronic Kidney Disease	32
Asthma	10
Osteoporosis	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	36
Atrial Fibrillation	15
Dementia	18
Cancer	12

Education & Training

Dr. Johnasan M. Gregory, MD graduated from University of Texas Health Science Center at San Antonio, School of Medicine. He completed residency at University of Arkansas for Medical Sciences Affiliated Hospitals. He is certified by the American Board of Internal Medicine Gastroenterology and has a state license in Texas.

Medical School: University of Texas Health Science Center at San Antonio, School of Medicine

Residency: University of Arkansas for Medical Sciences Affiliated Hospitals

Board Certification: American Board of Internal Medicine Gastroenterology

Licensed In: Texas

Affiliations & Hospitals

Dr. Johnasan M. Gregory, MD is associated with these hospitals and organizations:

Longview Regional Medical Center

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General Payments

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

**Payments by Company**
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$247 XIFAXAN $210	Trulance $37
AbbVie, Inc.	$66 Creon $43	$23
Valeant Pharmaceuticals North America LLC	$53 APRISO $27	XIFAXAN $13	Moviprep $13
Merz North America, Inc.	$46 $46
Pfizer Inc.	$17 XELJANZ $17
Other	$88 SUPREP $15	VIBERZI $15	LINZESS $15	ZEPOSIA $15	Pegasys $14	Other $13

**Types of Payments**
Food and Beverage	$517

Biography

Dr. Johnasan Gregory is a physician who specializes in adult gastroenterology. He is affiliated with Longview Regional Medical Center. Before performing his residency at a hospital affiliated with the University of Arkansas for Medical Sciences, Dr. Gregory attended the University of Texas Health Science Center at San Antonio, School of Medicine.