In 2023, Dr. Thanh-Lan Trong Quan, MD had a list price for extraocular surgery, lacrimal surgery, lacrimal (tearing system) procedures, punctal occlusion, and punctal plug insertion that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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:

comprehensive eye exam

In 2023, Dr. Thanh-Lan Trong Quan, MD had a list price for comprehensive eye exam that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. 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 Volume:

eye procedures

By Affordability:

eye exam

eye tests

intermediate eye exam

visual field test

In 2012, among providers in related specialties within California, Dr. Thanh-Lan Trong Quan, MD performed more eye procedures procedures for Medicare patients than 75% of them and she also had a list price for eye exam, eye tests, intermediate eye exam, and visual field test that was lower than the list prices billed to Medicare by 75% of them. 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. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2012 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	58
doctor visit	945
excision	22
eye procedures	3980
lacrimal (tearing system) procedures	75
laser treatment	155
ultrasound (sonogram)	282

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2013 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	38
doctor visit	474
excision	49
eye procedures	4539
lacrimal (tearing system) procedures	92
laser treatment	202
ultrasound (sonogram)	308

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	657
Female	944

**Ethnicity**
Non-Hispanic White	20
Black	0
Hispanic	15
Asian	1552
Other	0
Native American	0

**Age**
From 65 to 74	789
From 75 to 84	620
85 and over	138
Less than 65	54

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	3
Ischemic Heart Disease	39
Depression	7
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	18
Atrial Fibrilation	4
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	51
Dementia	13
Cancer	5

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2014 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	41
doctor visit	275
excision	24
eye procedures	4703
lacrimal (tearing system) procedures	56
laser treatment	134
ultrasound (sonogram)	396

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	669
Female	987

**Ethnicity**
Non-Hispanic White	21
Black	0
Hispanic	16
Asian	1603
Other	0
Native American	0

**Age**
From 65 to 74	803
From 75 to 84	664
85 and over	145
Less than 65	44

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	2
Ischemic Heart Disease	39
Depression	7
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	18
Atrial Fibrilation	4
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	50
Dementia	11
Cancer	5

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2015 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	58
doctor visit	253
excision	26
eye procedures	4580
lacrimal (tearing system) procedures	58
laser treatment	135
ultrasound (sonogram)	349

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	1396
Female	2072

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	28
Asian	3372
Other	0
Native American	0

**Age**
From 65 to 74	1586
From 75 to 84	1436
85 and over	348
Less than 65	98

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2015

Hypertension	75
High Cholesterol	74
Stroke	3
Ischemic Heart Disease	38
Depression	7
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	18
Atrial Fibrilation	4
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	49
Dementia	11
Cancer	5

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2016 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	49
doctor visit	324
excision	42
eye procedures	4765
lacrimal (tearing system) procedures	95
laser treatment	164
ultrasound (sonogram)	299

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	704
Female	1082

**Ethnicity**
Non-Hispanic White	23
Black	0
Hispanic	0
Asian	1741
Other	0
Native American	0

**Age**
From 65 to 74	792
From 75 to 84	752
85 and over	184
Less than 65	58

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	3
Ischemic Heart Disease	35
Depression	7
Chronic Kidney Disease	32
Asthma	16
Osteoperosis	23
Atrial Fibrilation	5
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	49
Dementia	11
Cancer	5

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2017 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	61
doctor visit	422
excision	28
eye procedures	4698
lacrimal (tearing system) procedures	109
laser treatment	137
ultrasound (sonogram)	362

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	647
Female	1004

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	14
Asian	1611
Other	13
Native American	0

**Age**
From 65 to 74	717
From 75 to 84	703
85 and over	195
Less than 65	36

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2017

Hypertension	75
High Cholesterol	69
Stroke	3
Ischemic Heart Disease	35
Depression	10
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	25
Atrial Fibrilation	5
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	50
Dementia	14
Cancer	4

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2018 were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	38
doctor visit	391
excision	29
eye procedures	4425
lacrimal (tearing system) procedures	81
laser treatment	101
ultrasound (sonogram)	297

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	576
Female	948

**Ethnicity**
Non-Hispanic White	14
Black	0
Hispanic	11
Asian	1488
Other	0
Native American	0

**Age**
From 65 to 74	607
From 75 to 84	701
85 and over	189
Less than 65	27

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	3
Ischemic Heart Disease	35
Depression	10
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	26
Atrial Fibrilation	5
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	51
Dementia	14
Cancer	5

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2019 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	55
doctor visit	318
excision	25
eye procedures	4517
lacrimal (tearing system) procedures	35
laser treatment	102
ultrasound (sonogram)	164

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	616
Female	1005

**Ethnicity**
Non-Hispanic White	13
Black	0
Hispanic	13
Asian	1581
Other	0
Native American	0

**Age**
From 65 to 74	641
From 75 to 84	743
85 and over	208
Less than 65	29

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	2
Ischemic Heart Disease	35
Depression	11
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	27
Atrial Fibrilation	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	51
Dementia	15
Cancer	5

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2020 were eye procedures, laser treatment, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	46
doctor visit	182
excision	25
eye procedures	2951
lacrimal (tearing system) procedures	45
laser treatment	109
ultrasound (sonogram)	64

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	391
Female	631

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	1002
Other	0
Native American	0

**Age**
From 65 to 74	396
From 75 to 84	474
85 and over	136
Less than 65	16

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	2
Ischemic Heart Disease	39
Depression	12
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	29
Atrial Fibrilation	5
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	52
Dementia	18
Cancer	5

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2021 were eye procedures, laser treatment, lacrimal (tearing system) procedures and capsulotomy.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	25
doctor visit	227
excision	18
eye procedures	3557
lacrimal (tearing system) procedures	55
laser treatment	83
ultrasound (sonogram)	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	438
Female	738

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	1155
Other	0
Native American	0

**Age**
From 65 to 74	444
From 75 to 84	555
85 and over	162
Less than 65	15

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	29
Atrial Fibrilation	6
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	54
Dementia	20
Cancer	5

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2022 were eye procedures, laser treatment, ultrasound (sonogram) and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	47
doctor visit	363
excision	19
eye procedures	3980
lacrimal (tearing system) procedures	65
laser treatment	94
ultrasound (sonogram)	69

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	485
Female	836

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	1292
Other	13
Native American	0

**Age**
From 65 to 74	482
From 75 to 84	612
85 and over	205
Less than 65	22

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	27
Depression	14
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	38
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	55
Dementia	15
Cancer	7

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA during 2023 were eye procedures, laser treatment, ultrasound (sonogram) and lacrimal (tearing system) procedures.

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

capsulotomy	32
doctor visit	277
excision	14
eye procedures	3651
lacrimal (tearing system) procedures	43
laser treatment	79
ultrasound (sonogram)	49

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	458
Female	798

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	1230
Other	0
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	590
85 and over	215
Less than 65	13

Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	28
Depression	11
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	36
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	54
Dementia	16
Cancer	8

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Thanh-Lan Trong Quan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thanh-Lan Trong Quan, MD treated as an ophthalmologist in Westminster, CA were eye procedures, ultrasound (sonogram), laser treatment and lacrimal (tearing system) procedures.

capsulotomy	45
doctor visit	370
excision	26
eye procedures	4195
lacrimal (tearing system) procedures	67
laser treatment	124
ultrasound (sonogram)	221

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD.

**Gender**
Male	586
Female	920

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1468
Non-Hispanic White	11
Hispanic	8
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	654
85 and over	177
Less than 65	34
65 to 74	641

Average of Total of Conditions of Medicare patients treated by Dr. Thanh-Lan Trong Quan, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Thanh-Lan Trong Quan, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	67
Stroke	3
Ischemic Heart Disease	32
Depression	9
Chronic Kidney Disease	31
Asthma	10
Osteoporosis	23
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	47
Atrial Fibrillation	5
Cancer	4
Dementia	13

Education & Training

She has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Thanh-Lan Trong Quan, MD has an average of 1.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Thanh-Lan Trong Quan, MD from all over the web to help you find the right in Westminster, CA.

1.2

Overall Rating

(5 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Thanh-Lan Trong Quan, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Gilead Sciences Inc	$2,440 Vemlidy $2,139	Viread $302
Sun Pharmaceutical Industries Inc.	$2,260 CEQUA $1,790	XELPROS $361	BromSite (bromfenac ophthalmic solution) 0.075% $65	Bromsite $45
Allergan Inc.	$1,723 LUMIGAN $606	RESTASIS $600	COMBIGAN $176	ALPHAGAN P $125	NATRELLE IMPLANTS $19	Other $196
Novartis Pharmaceuticals Corporation	$1,487 XIIDRA $494	COSENTYX $456	Travatan Z $287	Durezol $170	Simbrinza $41	Other $39
Shire North American Group Inc	$1,335 XIIDRA $1,314	$22
Other	$12,639 TYRVAYA $1,085	Rocklatan $926	LUMIGAN $619	TALTZ $608	XEN GLAUCOMA TREATMENT SYSTEM $585	Other $8,817

**Types of Payments**
Food and Beverage	$19,742
Consulting Fee	$1,900
Education	$242
Travel and Lodging	$1

Biography

Dr. Thanh-Lan Quan's area of specialization is ophthalmology (eye disease). Patient reviews placed her at an average of 1.0 stars (out of 5). Dr. Quan attended medical school at the University of California, Los Angeles (UCLA), David Geffen School of Medicine.