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Home > TX Providers > Internists & Internal Medicine Doctors

Dr. Michael Lloyd McMahon II, MD

(1 Rating)

Specializes in: Internal Medicine (Adult Medicine) and General Pediatrics

1003 Nederland Avenue
Nederland, TX 77627

(409) 344-4466

Dr. Michael Lloyd McMahon II, MD is an internist in Nederland, TX specializing in internal medicine (adult medicine) and general pediatrics.

Office Locations

1003 Nederland Avenue
Nederland, TX 77627

(409) 344-4466

(409) 600-8525

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael Lloyd McMahon II, MD in 2024

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

Top 5%

By Volume:

inpatient hospital care

In 2024, Dr. Michael Lloyd McMahon II, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Texas.

Top 10%

By Volume:

nursing home care

In 2024, Dr. Michael Lloyd McMahon II, MD performed more nursing home care procedures for Medicare patients than 90% of providers in related specialties within Texas.

Top 25%

By Affordability:

inpatient hospital care

vaccines

In 2012, Dr. Michael Lloyd McMahon II, MD had a list price for flu shot, flu vaccine, hospital care, immunization (preventive vaccines), inpatient care, inpatient hospital care (for patient admitted to hospital), and vaccines that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Texas. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2012 were hospital care, inpatient care, lab tests and X-rays.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	1248
hospital care	2295
inpatient care	2283
lab tests	206
musculoskeletal imaging	14
preventive care	35
thoracic (chest) imaging	100
vaccines	35
X-rays	114

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2013 were hospital care, inpatient care, lab tests and X-rays.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	1069
hospital care	2179
inpatient care	2179
lab tests	176
preventive care	52
thoracic (chest) imaging	71
vaccines	52
X-rays	71

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	314
Female	423

**Ethnicity**
Non-Hispanic White	595
Black	105
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	240
85 and over	135
Less than 65	135

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2013

Hypertension	75
High Cholesterol	58
Stroke	16
Ischemic Heart Disease	62
Depression	30
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	44
Chronic Obstructive Pulmonary Disease	34
Diabetes	47
Dementia	25
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2014 were hospital care, inpatient care, nursing home care and lab tests.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	971
hospital care	4301
inpatient care	4217
lab tests	120
musculoskeletal imaging	32
nursing home care	299
outpatient care	58
preventive care	37
thoracic (chest) imaging	73
vaccines	26
X-rays	105

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	381
Female	558

**Ethnicity**
Non-Hispanic White	766
Black	123
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	316
85 and over	219
Less than 65	160

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	15
Ischemic Heart Disease	64
Depression	33
Chronic Kidney Disease	39
Asthma	8
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	45
Chronic Obstructive Pulmonary Disease	35
Diabetes	46
Dementia	30
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2015 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	758
hospital care	4371
inpatient care	4371
lab tests	70
nursing home care	532
preventive care	114
thoracic (chest) imaging	25
vaccines	114
X-rays	25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	736
Female	1042

**Ethnicity**
Non-Hispanic White	1432
Black	246
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	482
From 75 to 84	610
85 and over	404
Less than 65	282

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2015

Hypertension	75
High Cholesterol	62
Stroke	16
Ischemic Heart Disease	64
Depression	31
Chronic Kidney Disease	47
Asthma	21
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	47
Chronic Obstructive Pulmonary Disease	35
Diabetes	48
Dementia	32
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2016 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	712
hospital care	4363
inpatient care	4298
lab tests	48
nursing home care	915
outpatient care	35
preventive care	102
vaccines	102

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	416
Female	611

**Ethnicity**
Non-Hispanic White	824
Black	141
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	286
From 75 to 84	334
85 and over	253
Less than 65	154

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	67
Depression	31
Chronic Kidney Disease	55
Asthma	38
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	50
Chronic Obstructive Pulmonary Disease	38
Diabetes	49
Dementia	35
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2017 were hospital care, inpatient care, nursing home care and lab tests.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

chronic care	61
doctor visit	861
hospital care	5517
inpatient care	5485
lab tests	94
nursing home care	974
preventive care	73
thoracic (chest) imaging	27
vaccines	73
X-rays	27

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	543
Female	676

**Ethnicity**
Non-Hispanic White	936
Black	206
Hispanic	61
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	351
From 75 to 84	382
85 and over	290
Less than 65	196

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	15
Ischemic Heart Disease	69
Depression	34
Chronic Kidney Disease	61
Asthma	7
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	52
Chronic Obstructive Pulmonary Disease	39
Diabetes	51
Dementia	35
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2018 were hospital care, inpatient care, nursing home care and chronic care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

chronic care	95
doctor visit	341
hospital care	3982
inpatient care	3938
lab tests	25
nursing home care	1669

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	443
Female	546

**Ethnicity**
Non-Hispanic White	777
Black	140
Hispanic	59
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	297
From 75 to 84	304
85 and over	241
Less than 65	147

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	14
Ischemic Heart Disease	70
Depression	36
Chronic Kidney Disease	61
Asthma	9
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	52
Chronic Obstructive Pulmonary Disease	43
Diabetes	51
Dementia	34
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2019 were hospital care, inpatient care, nursing home care and lab tests.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

blood draw	241
diabetes management	31
doctor visit	156
hospital care	4021
inpatient care	3993
lab tests	456
nursing home care	2112
preventive care	95
thyroid function tests	68

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	403
Female	532

**Ethnicity**
Non-Hispanic White	723
Black	147
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	299
85 and over	248
Less than 65	133

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	20
Ischemic Heart Disease	70
Depression	40
Chronic Kidney Disease	63
Asthma	9
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	57
Chronic Obstructive Pulmonary Disease	45
Diabetes	53
Dementia	39
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2020 were hospital care, inpatient care, nursing home care and lab tests.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

blood draw	123
diabetes management	17
doctor visit	54
hospital care	2889
inpatient care	2866
lab tests	179
nursing home care	976
preventive care	48
thyroid function tests	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	299
Female	406

**Ethnicity**
Non-Hispanic White	539
Black	121
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	223
85 and over	180
Less than 65	90

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	18
Ischemic Heart Disease	69
Depression	45
Chronic Kidney Disease	59
Asthma	7
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	57
Chronic Obstructive Pulmonary Disease	45
Diabetes	53
Dementia	41
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2021 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	96
hospital care	2360
inpatient care	2348
nursing home care	1843

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	301
Female	383

**Ethnicity**
Non-Hispanic White	544
Black	111
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	222
85 and over	193
Less than 65	78

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	19
Ischemic Heart Disease	68
Depression	41
Chronic Kidney Disease	61
Asthma	9
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	53
Chronic Obstructive Pulmonary Disease	41
Diabetes	55
Dementia	42
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2022 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	174
hospital care	3007
inpatient care	3007
nursing home care	555

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	284
Female	373

**Ethnicity**
Non-Hispanic White	532
Black	90
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	217
85 and over	185
Less than 65	56

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	27
Ischemic Heart Disease	60
Depression	42
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	20
Atrial Fibrilation	36
Heart Failure	51
Chronic Obstructive Pulmonary Disease	49
Diabetes	54
Dementia	33
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2023 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	48
hospital care	2753
inpatient care	2753
nursing home care	944

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	201
Female	301

**Ethnicity**
Non-Hispanic White	405
Black	78
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	165
85 and over	152
Less than 65	48

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	30
Ischemic Heart Disease	57
Depression	51
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	22
Atrial Fibrilation	41
Heart Failure	52
Chronic Obstructive Pulmonary Disease	47
Diabetes	53
Dementia	39
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX during 2024 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

doctor visit	16
hospital care	2675
inpatient care	2675
nursing home care	1059
preventive care	22
vaccines	22

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	286
Female	374

**Ethnicity**
Non-Hispanic White	512
Black	110
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	235
85 and over	180
Less than 65	55

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	33
Ischemic Heart Disease	59
Depression	46
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	20
Atrial Fibrilation	43
Heart Failure	55
Chronic Obstructive Pulmonary Disease	44
Diabetes	56
Dementia	39
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Michael Lloyd McMahon II, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael Lloyd McMahon II, MD treated as an internist in Nederland, TX were hospital care, inpatient care, nursing home care and blood draw.

blood draw	182
chronic care	78
diabetes management	24
doctor visit	500
hospital care	3439
inpatient care	3416
lab tests	152
musculoskeletal imaging	23
nursing home care	1079
outpatient care	46
preventive care	64
thoracic (chest) imaging	59
thyroid function tests	48
vaccines	60
X-rays	68

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Michael Lloyd McMahon II, MD.

**Gender**
Male	354
Female	478

**Ethnicity**
Black / African American	124
Asian / Pacific Islander	0
Non-Hispanic White	660
Native American / Alaskan Native	0
Hispanic	18
Other	0

**Age**
75 to 84	272
85 and over	206
Less than 65	118
65 to 74	236

Average of Total of Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Michael Lloyd McMahon II, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	69
High Cholesterol	63
Stroke	18
Ischemic Heart Disease	59
Depression	35
Chronic Kidney Disease	47
Asthma	12
Osteoporosis	12
Heart Failure	47
Chronic Obstructive Pulmonary Disease	38
Diabetes	47
Atrial Fibrillation	24
Cancer	12
Dementia	32

Education & Training

He has a state license in Texas.

Licensed In: Texas

Ratings & Reviews

Dr. Michael Lloyd McMahon II, MD has an average of 1.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Michael Lloyd McMahon II, MD from all over the web to help you find the right in Nederland, TX.

Overall Rating

(1 Rating)

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General Payments

These charts describe general payments received by Dr. Michael Lloyd McMahon II, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$704 FARXIGA $478	BEVESPI AEROSPHERE $123	BYDUREON PEN $26	SYMBICORT $23	BYDUREON $22	Other $32
Pfizer Inc.	$411 ELIQUIS $292	TRUMENBA $69	LYRICA $24	CHANTIX $16	EUCRISA $9
Arbor Pharmaceuticals, Inc.	$328 Edarbyclor $142	Horizant $107	Edarbi $65	Evekeo $14
Novo Nordisk Inc	$307 Victoza $170	Saxenda $37	Tresiba $37	Ozempic $34	Levemir $14	Other $14
Shire North American Group Inc	$175 VYVANSE $106	Trintellix $69
Other	$1,371 Lonhala Magnair $91	JARDIANCE $74	QUILLIVANT XR $67	BRISDELLE $64	INVOKANA $61	Other $1,012

**Types of Payments**
Food and Beverage	$3,115
Education	$121
Consulting Fee	$60

Biography

Dr. Michael McMahon is a specialist in general pediatrics in Nederland, TX. He graduated from the University of Texas Medical Branch School of Medicine.

Select Year:

Dr. Michael Lloyd McMahon II, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael Lloyd McMahon II, MD in 2024

By Volume:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Michael Lloyd McMahon II, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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