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Home > TX Providers

Dr. James A. Maher JR., MD

Accepting New Patients

(3 Ratings)

Specializes in: Adult Gastroenterology

Virginia Commonwealth University (VCU) School of Medicine

19255 Park Row Suite 104
Houston, TX 77084

(281) 945-5190

Dr. James A. Maher JR., MD is a gastroenterologist in Houston, TX specializing in adult gastroenterology. He graduated from Virginia Commonwealth University (VCU) School of Medicine. Dr. James A. Maher JR., MD is affiliated with Astrana Health, Memorial Hermann Katy Hospital, Memorial Hermann, HPN and JAMES A MAHER JR MD PLLC.

Office Locations

Memorial Hermann

19255 Park Row Suite 104
Houston, TX 77084

(281) 945-5190

(281) 945-5194

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Noteworthy Medicare Patient Procedures Performed by Dr. James A. Maher JR., MD in 2023

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

Top 25%

By Volume:

colonoscopy with submucosal injection

In 2012, Dr. James A. Maher JR., MD performed more colonoscopy with submucosal injection 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. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

anastomosis	13
catheterization	13
diagnostic procedures	175
doctor visit	480
gastrointestinal procedures	242
hospital care	305
inpatient care	305
minimally invasive procedures	242
preventive care	40
removal of lesion (e.g. growth)	175

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	163
doctor visit	394
gastrointestinal procedures	190
hospital care	289
inpatient care	289
minimally invasive procedures	190
preventive care	27
removal of lesion (e.g. growth)	163

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	143
Female	178

**Ethnicity**
Non-Hispanic White	212
Black	42
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	97
85 and over	28
Less than 65	52

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	19
Diabetes	43
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	148
doctor visit	377
gastrointestinal procedures	170
hospital care	391
inpatient care	391
lab tests	111
minimally invasive procedures	170
preventive care	22
removal of lesion (e.g. growth)	148

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	138
Female	193

**Ethnicity**
Non-Hispanic White	220
Black	37
Hispanic	55
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	114
85 and over	40
Less than 65	37

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2014

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	47
Depression	30
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	25
Diabetes	47
Dementia	23
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	160
doctor visit	337
gastrointestinal procedures	191
hospital care	284
inpatient care	284
lab tests	44
minimally invasive procedures	191
preventive care	31
removal of lesion (e.g. growth)	160

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	254
Female	416

**Ethnicity**
Non-Hispanic White	436
Black	90
Hispanic	112
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	158
85 and over	102
Less than 65	78

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2015

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	40
Asthma	16
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	213
doctor visit	425
gastrointestinal procedures	235
hospital care	296
inpatient care	296
lab tests	14
minimally invasive procedures	235
preventive care	22
removal of lesion (e.g. growth)	213

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	139
Female	248

**Ethnicity**
Non-Hispanic White	223
Black	63
Hispanic	79
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	108
85 and over	49
Less than 65	66

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	16
Ischemic Heart Disease	47
Depression	26
Chronic Kidney Disease	44
Asthma	23
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2017 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	226
doctor visit	506
gastrointestinal procedures	245
hospital care	244
inpatient care	244
lab tests	19
minimally invasive procedures	245
preventive care	19
removal of lesion (e.g. growth)	226

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	178
Female	228

**Ethnicity**
Non-Hispanic White	262
Black	52
Hispanic	63
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	107
85 and over	49
Less than 65	45

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	47
Depression	29
Chronic Kidney Disease	44
Asthma	7
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	205
doctor visit	484
gastrointestinal procedures	216
hospital care	242
inpatient care	242
minimally invasive procedures	216
preventive care	11
removal of lesion (e.g. growth)	205

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	169
Female	218

**Ethnicity**
Non-Hispanic White	265
Black	53
Hispanic	47
Asian	11
Other	11
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	102
85 and over	42
Less than 65	54

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	13
Ischemic Heart Disease	45
Depression	29
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	22
Diabetes	40
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	216
doctor visit	494
gastrointestinal procedures	260
hospital care	159
injections	22
inpatient care	159
minimally invasive procedures	260
preventive care	22
removal of lesion (e.g. growth)	216

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	167
Female	216

**Ethnicity**
Non-Hispanic White	292
Black	34
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	114
85 and over	37
Less than 65	22

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	43
Depression	23
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	152
doctor visit	375
gastrointestinal procedures	184
hospital care	112
injections	13
inpatient care	112
minimally invasive procedures	184
preventive care	19
removal of lesion (e.g. growth)	152

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	144
Female	146

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	76
85 and over	33
Less than 65	26

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	47
Depression	26
Chronic Kidney Disease	37
Asthma	8
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	126
doctor visit	300
gastrointestinal procedures	156
hospital care	118
injections	14
inpatient care	118
minimally invasive procedures	156
preventive care	16
removal of lesion (e.g. growth)	126

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	133
Female	126

**Ethnicity**
Non-Hispanic White	193
Black	29
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	65
85 and over	20
Less than 65	22

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	41
Depression	20
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	34
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

diagnostic procedures	137
doctor visit	390
gastrointestinal procedures	163
hospital care	119
injections	15
inpatient care	119
lab tests	105
minimally invasive procedures	163
preventive care	11
removal of lesion (e.g. growth)	137

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	159
Female	148

**Ethnicity**
Non-Hispanic White	236
Black	25
Hispanic	24
Asian	11
Other	11
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	98
85 and over	31
Less than 65	17

Conditions of Medicare patients treated by Dr. James A. Maher JR., MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	37
Depression	20
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. James A. Maher JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. James A. Maher JR., MD treated as a gastroenterologist in Houston, TX were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

anastomosis	13
catheterization	13
diagnostic procedures	174
doctor visit	414
gastrointestinal procedures	204
hospital care	232
injections	16
inpatient care	232
lab tests	58
minimally invasive procedures	204
preventive care	21
removal of lesion (e.g. growth)	174

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. James A. Maher JR., MD.

**Gender**
Male	147
Female	192

**Ethnicity**
Black / African American	38
Asian / Pacific Islander	3
Non-Hispanic White	232
Native American / Alaskan Native	0
Hispanic	47
Other	2

**Age**
75 to 84	94
85 and over	39
Less than 65	38
65 to 74	168

Average of Total of Conditions of Medicare patients treated by Dr. James A. Maher JR., MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. James A. Maher JR., MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	61
Stroke	11
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	34
Asthma	9
Osteoporosis	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Atrial Fibrillation	12
Cancer	11
Dementia	15

Education & Training

Dr. James A. Maher JR., MD graduated from Virginia Commonwealth University (VCU) School of Medicine. He completed residency at University of California, Irvine Affiliated Hospitals. He is certified by the Certification: AMERICAN BOARD OF INTERNAL MEDICINE and has a state license in Louisiana.

Medical School: Virginia Commonwealth University (VCU) School of Medicine

Residency: University of California, Irvine Affiliated Hospitals (1977)

Board Certification: Certification: AMERICAN BOARD OF INTERNAL MEDICINE

Licensed In: Louisiana

Affiliations & Hospitals

Dr. James A. Maher JR., MD is associated with these hospitals and organizations:

Astrana Health

Memorial Hermann Katy Hospital

Memorial Hermann

HPN

JAMES A MAHER JR MD PLLC

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. James A. Maher JR., MD appears to accept the following insurance providers: Cigna, Employers Health Network, BlueCross BlueShield of Texas, United Healthcare, WellPoint, Aetna Medicare, Memorial Hermann Advantage HMO, Aetna Most Benefit Plans, Memorial Hermann Solutions, Community Health Choice Marketplace QHP, HMO Blue Texas, Aetna Memorial Hermann, BCBS BAV Blue Advantage HMO Exchange and Community Hlth MCR D-SNP.

Insurance Accepted by Provider includes:

According to our sources, Dr. James A. Maher JR., MD accepts the following insurance providers:

Cigna

Employers Health Network

BlueCross BlueShield of Texas

United Healthcare

WellPoint

Aetna Medicare

Memorial Hermann Advantage HMO

Aetna Most Benefit Plans

Memorial Hermann Solutions

Community Health Choice Marketplace QHP

HMO Blue Texas

Aetna Memorial Hermann

BCBS BAV Blue Advantage HMO Exchange

Community Hlth MCR D-SNP

Ratings & Reviews

Dr. James A. Maher JR., MD has an average of 2.33 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. James A. Maher JR., MD from all over the web to help you find the right in Houston, TX.

2.33

Overall Rating

(3 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2023-03-06

If you are unable to take "pills" for colonoscopy prep, then move on. This Physician offers NO secondary options. A total waste of my time. This whole experience with this office was very "mechanical" to say the least. Procedures cancelled.

General Payments

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

**Payments by Company**
Olympus America Inc.	$4,538 Medical IT Products $4,538
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$1,223 XIFAXAN $727	Trulance $314	XIFAXANIBSD $54	PLENVU $52	Uceris $39	Other $38
AbbVie, Inc.	$540 Creon $152	Viekira $146	Lupron $110	Humira $76	Technivie $56
Allergan Inc.	$519 LINZESS $323	VIBERZI $129	VRAYLAR $50	NAMENDA XR $12	ZENPEP $5
Romark Laboratories, LC	$443 Alinia Tablets 500mg 12 count bottle $164	Alinia $160	Alinia for Oral Suspension $119
Other	$2,901 STELARA $317	ENTYVIO $297	SIMPONI $185	ZENPEP $144	Mavyret $132	Other $1,826

**Types of Payments**
Food and Beverage	$5,481
Gift	$4,538
Consulting Fee	$100
Education	$45

Research Payments

Dr. James A. Maher JR., MD has received 315 research payments totaling $3,748,334.

Biography

Dr. James Maher's specialty is adult gastroenterology. He is conversant in Spanish. He is professionally affiliated with Astrana Health and Memorial Hermann Katy Hospital. Dr. Maher graduated from Virginia Commonwealth University (VCU) School of Medicine and the University of California, Irvine, School of Medicine and then he performed his residency at a hospital affiliated with the University of California, Irvine. He is rated 2.5 stars (out of 5) by his patients. He usually is in-network for WellPoint, Aetna Medicare, and Blue California, as well as other insurance carriers. Memorial Hermann reports that Dr. Maher is accepting new patients at his office in Houston, TX.