Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > TX Providers > Family Physicians & Family Medicine Specialists

Dr. Mary Suzanne Nguyen, MD

(10 Ratings)

Specializes in: Family Medicine

University of Texas Medical School at Houston

409 Madrid Po Box 960
Castroville, TX 78009

(830) 538-2254

Dr. Mary Suzanne Nguyen, MD is a family medicine practitioner in Castroville, TX specializing in family medicine. She graduated from University of Texas Medical School at Houston. Dr. Mary Suzanne Nguyen, MD is affiliated with CHRISTUS Health.

Office Locations

409 Madrid Po Box 960
Castroville, TX 78009

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Mary Suzanne Nguyen, MD in 2024

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

Top 5%

By Affordability:

albumin test

behavioral therapy

blood draw

blood draw for lab tests

intensive behavioral therapy for obesity

lab tests

mental health screening

mental health therapy

microalbumin test

microalbumin urine test

phlebotomy for lab tests

preventive care

psychotherapy treatment

In 2024, Dr. Mary Suzanne Nguyen, MD had a list price for albumin test, behavioral therapy, blood draw, blood draw for lab tests, intensive behavioral therapy (IBT) for obesity, lab tests, mental health screening, mental health therapy, microalbumin test, microalbumin urine test, phlebotomy for lab tests, preventive care, psychotherapy treatment, screening test, talk therapy, urinalysis, venipuncture (phlebotomy), and weight management that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Affordability:

urine tests

In 2024, Dr. Mary Suzanne Nguyen, MD had a list price for urine tests that was lower than the list prices billed to Medicare by 90% 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. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2012 were lab tests and blood draw.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	27
doctor visit	287
lab tests	28

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2013 were blood draw and lab tests.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	25
doctor visit	276
lab tests	23

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	29
Female	69

**Ethnicity**
Non-Hispanic White	82
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	15
85 and over	25
Less than 65	16

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	14
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2014 were lab tests, nursing home care, preventive care and blood draw.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	24
doctor visit	354
lab tests	56
nursing home care	40
preventive care	30
vaccines	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	37
Female	79

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	23
85 and over	22
Less than 65	18

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2014

Hypertension	68
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	43
Asthma	15
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	21
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	14
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2015 were lab tests, preventive care, nursing home care and vaccines.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	15
doctor visit	356
lab tests	47
nursing home care	21
preventive care	31
vaccines	19

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	102
Female	186

**Ethnicity**
Non-Hispanic White	244
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	60
85 and over	58
Less than 65	46

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2015

Hypertension	70
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	28
Depression	24
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2016 were chronic care, nursing home care, lab tests and preventive care.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	17
chronic care	198
doctor visit	406
lab tests	37
nursing home care	79
preventive care	24
vaccines	24

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	50
Female	112

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	36
85 and over	31
Less than 65	21

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2016

Hypertension	67
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	30
Depression	31
Chronic Kidney Disease	59
Asthma	16
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2017 were chronic care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	34
chronic care	214
doctor visit	429
lab tests	36
preventive care	41
vaccines	41

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	67
Female	113

**Ethnicity**
Non-Hispanic White	150
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	42
85 and over	29
Less than 65	22

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2017

Hypertension	73
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	31
Depression	34
Chronic Kidney Disease	68
Asthma	8
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2018 were chronic care, lab tests and preventive care.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

chronic care	68
doctor visit	334
lab tests	25
preventive care	16

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	48
Female	86

**Ethnicity**
Non-Hispanic White	106
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	36
85 and over	15
Less than 65	11

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2018

Hypertension	69
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	25
Depression	35
Chronic Kidney Disease	70
Asthma	8
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2019 were lab tests, weight management, mental health therapy and diabetes management.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

diabetes management	37
doctor visit	518
lab tests	83
mental health therapy	42
preventive care	23
weight management	42

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	96
Female	133

**Ethnicity**
Non-Hispanic White	183
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	65
85 and over	26
Less than 65	16

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	72
Asthma	0
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2020 were lab tests, diabetes management, weight management and mental health therapy.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

diabetes management	31
doctor visit	478
lab tests	74
mental health therapy	26
preventive care	24
weight management	26

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	92
Female	114

**Ethnicity**
Non-Hispanic White	170
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2020

Hypertension	73
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	74
Asthma	6
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2021 were lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

diabetes management	19
doctor visit	531
lab tests	53
preventive care	24

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	79
Female	124

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	57
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2021

Hypertension	72
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	69
Asthma	6
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2022 were lab tests, weight management, mental health therapy and diabetes management.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

diabetes management	13
doctor visit	528
lab tests	38
mental health therapy	27
weight management	27

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	79
Female	115

**Ethnicity**
Non-Hispanic White	157
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	18
Depression	22
Chronic Kidney Disease	62
Asthma	7
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2023 were preventive care and lab tests.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

doctor visit	493
lab tests	42
preventive care	80

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	78
Female	115

**Ethnicity**
Non-Hispanic White	154
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	62
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2023

Hypertension	72
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	19
Depression	24
Chronic Kidney Disease	63
Asthma	6
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX during 2024 were chronic care, blood draw, lab tests and preventive care.

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

blood draw	38
chronic care	133
doctor visit	375
lab tests	35
mental health therapy	17
preventive care	21
weight management	17

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Male	79
Female	114

**Ethnicity**
Non-Hispanic White	155
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2024

Hypertension	74
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	20
Depression	23
Chronic Kidney Disease	66
Asthma	9
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Mary Suzanne Nguyen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary Suzanne Nguyen, MD treated as a family medicine practitioner in Castroville, TX were chronic care, nursing home care, lab tests and preventive care.

blood draw	25
chronic care	153
diabetes management	25
doctor visit	412
lab tests	44
mental health therapy	28
nursing home care	46
preventive care	31
vaccines	24
weight management	28

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mary Suzanne Nguyen, MD.

**Gender**
Female	104
Male	64

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	137
Hispanic	2
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	15
75 to 84	44
Less than 65	11
65 to 74	86

Average of Total of Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Mary Suzanne Nguyen, MD treated were high cholesterol, hypertension, chronic kidney disease and depression.

Hypertension	66
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	22
Depression	24
Chronic Kidney Disease	54
Asthma	8
Osteoporosis	6
Heart Failure	17
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Atrial Fibrillation	9
Cancer	8
Dementia	8

Education & Training

Dr. Mary Suzanne Nguyen, MD graduated from University of Texas Medical School at Houston. She completed residency at CHRISTUS Santa Rosa Family Medicine Residency. She is certified by the Certification: American Board of Family Medicine and has a state license in Texas.

Medical School: University of Texas Medical School at Houston

Residency: CHRISTUS Santa Rosa Family Medicine Residency

Board Certification: Certification: American Board of Family Medicine

Licensed In: Texas

Ratings & Reviews

Dr. Mary Suzanne Nguyen, MD has an exceptional overall rating with an average of 4.55 out of 5 stars based on 10 ratings. We collect ratings and reviews of Dr. Mary Suzanne Nguyen, MD from all over the web to help you find the right in Castroville, TX.

4.55

Overall Rating

(10 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AbbVie Inc.	$1,569 VRAYLAR $1,037	UBRELVY $265	QULIPTA $187	LINZESS $53	Creon $21	Other $6
Novo Nordisk Inc	$1,467 Ozempic $483	RYBELSUS $475	Tresiba $44	Wegovy $35	Victoza $15	Other $414
AstraZeneca Pharmaceuticals LP	$840 FARXIGA $617	SYMBICORT $44	BYDUREON PEN $38	BREZTRI $35	AIRSUPRA $28	Other $77
GlaxoSmithKline, LLC.	$743 TANZEUM $350	TRELEGY ELLIPTA $145	SHINGRIX $83	AREXVY $79	LEVITRA $36	Other $49
Merck Sharp & Dohme Corporation	$737 JANUMET XR $133	DULERA $93	BELSOMRA $67	JANUMET $62	ZOSTAVAX $59	Other $322
Other	$6,857 Kerendia $519	NURTEC ODT $467	Auvelity $287	REXULTI $236	VRAYLAR $224	Other $5,123

**Types of Payments**
Food and Beverage	$11,942
Education	$271

Biography

Dr. Mary Nguyen is a specialist in family medicine in Castroville, TX. Dr. Nguyen studied medicine at the University of Texas Medical School at Houston. She is rated 4.5 stars (out of 5) by her patients. She speaks Spanish. She is professionally affiliated with CHRISTUS Health.

Select Year:

Dr. Mary Suzanne Nguyen, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mary Suzanne Nguyen, MD in 2024

By Affordability:

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. Mary Suzanne Nguyen, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Suzanne Nguyen, 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. Mary Suzanne Nguyen, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in Castroville, TX