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Home > TX Providers > Optometrists

Dr. Vanessa Loo Chang, OD

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Specializes in: Optometry (Primary Eye Care)

318 W Nolana Avenue
McAllen, TX 78504

(956) 664-0444

Dr. Vanessa Loo Chang, OD is an optometrist in McAllen, TX specializing in optometry (primary eye care).

Office Locations

318 W Nolana Avenue
McAllen, TX 78504

(956) 664-0444

(956) 664-0446

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Noteworthy Medicare Patient Procedures Performed by Dr. Vanessa Loo Chang, OD in 2023

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

Top 5%

By Affordability:

comprehensive eye exam

In 2023, Dr. Vanessa Loo Chang, OD had a list price for comprehensive eye exam 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 25%

By Affordability:

eye exam

In 2012, Dr. Vanessa Loo Chang, OD had a list price for eye exam 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. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2012 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2014 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	21
Female	34

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

**Age**
From 65 to 74	0
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2014

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	33
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2015 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	36

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	42
Female	50

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

**Age**
From 65 to 74	56
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2015

Hypertension	65
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	30
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2016 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	35

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	20
Female	23

**Ethnicity**
Non-Hispanic White	19
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	17
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2016

Hypertension	75
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	40
Depression	0
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2017 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	41

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	13
Female	39

**Ethnicity**
Non-Hispanic White	31
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2017

Hypertension	58
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	25
Depression	0
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2018 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	36

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	21
Female	24

**Ethnicity**
Non-Hispanic White	25
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	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2018

Hypertension	73
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	33
Depression	0
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2019 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	51

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	22
Female	39

**Ethnicity**
Non-Hispanic White	38
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2019

Hypertension	64
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	26
Depression	0
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	21
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2020 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	33

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	14
Female	24

**Ethnicity**
Non-Hispanic White	23
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	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2020

Hypertension	68
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	50
Depression	0
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2021 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	43

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	18
Female	33

**Ethnicity**
Non-Hispanic White	32
Black	0
Hispanic	0
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	0

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2021

Hypertension	59
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	25
Depression	0
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX during 2022 were eye procedures.

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

eye procedures	35

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	16
Female	26

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

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Vanessa Loo Chang, OD for Medicare patients.

The highest averages for the top procedures that Dr. Vanessa Loo Chang, OD treated as an optometrist in McAllen, TX were eye procedures.

eye procedures	37

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Vanessa Loo Chang, OD.

**Gender**
Male	18
Female	29

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	26
Native American / Alaskan Native	0
Hispanic	2
Other	0

**Age**
75 to 84	4
85 and over	0
Less than 65	0
65 to 74	21

Average of Total of Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Vanessa Loo Chang, OD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	61
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	26
Depression	0
Chronic Kidney Disease	19
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Atrial Fibrillation	0
Dementia	2
Cancer	0

Education & Training

She has a state license in Texas.

Licensed In: Texas

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Vanessa Loo Chang, OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Alcon Laboratories Inc	$2,207 DAILIES $290	Contact Lenses $284	AIR OPTIX $172	Pazeo $71	$1,390
Alcon Vision LLC	$1,455 TOTAL30 $472	DAILIES $434	Precision 1 $294	iLux $83	AIR OPTIX $40	Other $132
Coopervision Inc.	$1,029 Multiple Brands Contact Lens $419	CVI Contact Lens $239	Clariti Contact Lens $171	MiSight Contact Lens $112	Non-Product Brand Specific $11	Other $78
Valeant Pharmaceuticals North America LLC	$478 TRULIGN TORIC $107	PROLENSA $100	BESIVANCE $100	ZYLET $89	LOTEMAX GEL $82
Allergan Inc.	$474 OZURDEX $129	$345
Other	$2,574 XIIDRA $474	Acuvue $226	VYZULTA $194	EYLEA (aflibercept) Injection $131	Rhopressa $122	Other $1,427

**Types of Payments**
Food and Beverage	$7,620
Travel and Lodging	$486
Entertainment	$92
Gift	$19

Biography

Dr. Vanessa Chang specializes in optometry (primary eye care) and practices in McAllen, TX. Dr. Chang has obtained a license to practice in Texas.

Select Year:

Dr. Vanessa Loo Chang, OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Vanessa Loo Chang, OD in 2023

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Vanessa Loo Chang, OD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Optometrists in Nearby Locations

Other Providers in McAllen, TX