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

Home > CA Providers > Ophthalmologists

Dr. William Trotter, MD

Accepting New Patients

(No ratings)

Specializes in: Ophthalmology (Eye Disease)

Boston University School of Medicine

751 Daily Drive Suite 110
Camarillo, CA 93010

(805) 987-8705

Dr. William Trotter, MD is an ophthalmologist in Westlake Village, CA specializing in ophthalmology (eye disease). He graduated from Boston University School of Medicine. Dr. William Trotter, MD is affiliated with Dignity Health and DHMN - Ventura DHMN - Santa Cruz.

Office Locations

DHMN - Ventura DHMN - Santa Cruz

1220 La Venta Drive Suite 203
Westlake Village, CA 91361

(805) 497-8100

(805) 496-0711

open_in_new

DHMN - Ventura DHMN - Santa Cruz

1901 Solar Drive Suite 155
Oxnard, CA 93036

(805) 278-0057

(805) 278-9925

open_in_new

DHMN - Ventura DHMN - Santa Cruz

3085 Loma Vista Road
Ventura, CA 93003

(805) 648-3085

(805) 648-7027

open_in_new

751 Daily Drive Suite 110
Camarillo, CA 93010

(805) 987-8705

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. William Trotter, MD in 2024

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

Top 25%

By Affordability:

anterior segment surgery

cataract surgery

cataract surgery with IOL implantation

extracapsular cataract extraction with IOL implantation

extracapsular lens removal

intraocular lens implant

lens removal surgery

lens replacement surgery

simple cataract surgery

In 2012, Dr. William Trotter, MD had a list price for anterior segment surgery, cataract surgery, cataract surgery with IOL implantation, extracapsular cataract extraction (ECCE) with IOL implantation, extracapsular lens removal, intraocular lens (IOL) implant, lens removal surgery, lens replacement surgery, and simple cataract surgery that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2012 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	41
eye procedures	1280
laser treatment	41

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2013 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	16
eye procedures	1390
laser treatment	16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	262
Female	436

**Ethnicity**
Non-Hispanic White	476
Black	27
Hispanic	139
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	297
From 75 to 84	252
85 and over	101
Less than 65	48

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2013

Hypertension	67
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	35
Depression	16
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2014 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	31
eye procedures	1888
laser treatment	31

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	313
Female	498

**Ethnicity**
Non-Hispanic White	551
Black	0
Hispanic	163
Asian	58
Other	21
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	279
85 and over	145
Less than 65	54

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2014

Hypertension	68
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2015 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	45
eye procedures	2201
laser treatment	45

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	686
Female	1070

**Ethnicity**
Non-Hispanic White	1126
Black	0
Hispanic	384
Asian	138
Other	62
Native American	0

**Age**
From 65 to 74	726
From 75 to 84	622
85 and over	294
Less than 65	114

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2015

Hypertension	72
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	35
Depression	16
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	39
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2016 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	47
eye procedures	2188
laser treatment	47

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	346
Female	532

**Ethnicity**
Non-Hispanic White	574
Black	0
Hispanic	185
Asian	64
Other	31
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	332
85 and over	142
Less than 65	56

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2016

Hypertension	68
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	26
Asthma	15
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2017 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	44
eye procedures	1999
lab tests	58
laser treatment	44

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	302
Female	497

**Ethnicity**
Non-Hispanic White	509
Black	0
Hispanic	167
Asian	68
Other	36
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	309
85 and over	134
Less than 65	38

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2017

Hypertension	69
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	36
Depression	20
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2018 were eye procedures, capsulotomy, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	47
eye procedures	1948
laser treatment	47
ultrasound (sonogram)	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	304
Female	475

**Ethnicity**
Non-Hispanic White	518
Black	0
Hispanic	159
Asian	56
Other	26
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	285
85 and over	137
Less than 65	47

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2018

Hypertension	68
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	36
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2019 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	44
eye procedures	1852
laser treatment	44

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	282
Female	464

**Ethnicity**
Non-Hispanic White	494
Black	0
Hispanic	160
Asian	49
Other	29
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	276
85 and over	134
Less than 65	34

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2019

Hypertension	72
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	36
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2020 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	26
eye procedures	1498
laser treatment	26
ultrasound (sonogram)	53

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	233
Female	383

**Ethnicity**
Non-Hispanic White	406
Black	0
Hispanic	134
Asian	32
Other	28
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	241
85 and over	109
Less than 65	34

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2020

Hypertension	69
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	8
Diabetes	37
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2021 were eye procedures, capsulotomy, laser treatment and ultrasound (sonogram).

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	22
eye procedures	1829
laser treatment	22
ultrasound (sonogram)	19

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	273
Female	432

**Ethnicity**
Non-Hispanic White	457
Black	0
Hispanic	140
Asian	54
Other	36
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	280
85 and over	123
Less than 65	36

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2021

Hypertension	70
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	35
Depression	19
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	36
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2022 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	33
eye procedures	2175
laser treatment	33

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	324
Female	513

**Ethnicity**
Non-Hispanic White	539
Black	0
Hispanic	167
Asian	59
Other	42
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	289
85 and over	169
Less than 65	59

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	24
Asthma	13
Osteoperosis	19
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2023 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	32
eye procedures	2020
laser treatment	32

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	276
Female	424

**Ethnicity**
Non-Hispanic White	448
Black	0
Hispanic	141
Asian	50
Other	35
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	261
85 and over	135
Less than 65	33

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	24
Asthma	13
Osteoperosis	22
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA during 2024 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

capsulotomy	31
eye procedures	1917
laser treatment	31

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	277
Female	424

**Ethnicity**
Non-Hispanic White	451
Black	0
Hispanic	144
Asian	48
Other	36
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	261
85 and over	122
Less than 65	28

Conditions of Medicare patients treated by Dr. William Trotter, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	22
Asthma	14
Osteoperosis	21
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	35
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. William Trotter, MD for Medicare patients.

The highest averages for the top procedures that Dr. William Trotter, MD treated as an ophthalmologist in Westlake Village, CA were eye procedures, lab tests, capsulotomy and laser treatment.

capsulotomy	35
eye procedures	1860
lab tests	58
laser treatment	35
ultrasound (sonogram)	30

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. William Trotter, MD.

**Gender**
Male	298
Female	472

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	55
Non-Hispanic White	503
Native American / Alaskan Native	0
Hispanic	160
Other	29

**Age**
75 to 84	283
85 and over	134
Less than 65	44
65 to 74	308

Average of Total of Conditions of Medicare patients treated by Dr. William Trotter, MD From 2012 - 2024

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

Hypertension	65
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	30
Depression	17
Chronic Kidney Disease	23
Asthma	9
Osteoporosis	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	33
Atrial Fibrillation	12
Cancer	10
Dementia	7

Education & Training

Dr. William Trotter, MD graduated from Boston University School of Medicine. He completed residency at Albany Medical Center. He is certified by the Board Certification: Ophthalmology and has a state license in California.

Medical School: Boston University School of Medicine

Residency: Albany Medical Center

Board Certification: Board Certification: Ophthalmology

Licensed In: California

Affiliations & Hospitals

Dr. William Trotter, MD is associated with these hospitals and organizations:

Dignity Health

DHMN - Ventura DHMN - Santa Cruz

Ratings & Reviews

Dr. William Trotter, MD does not have any reviews yet, be the first to leave a review of Dr. William Trotter, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Alcon Laboratories Inc	$3,745 Cataract Equipment $1,431	IOL $554	CataractEquipment $347	Durezol $313	Ilevro $184	Other $916
Johnson & Johnson Surgical Vision, Inc.	$2,475 Tecnis Symphony Toric IOL $2,232	Tecnis Symfony IOL $107	Tecnis Multifocal family of 1-piece IOLs $69	Ophthalmic surgical adjuncts $37	LIPIFLOW SYSTEM ACTIVATOR (DISPOSABLE) $29
Alcon Vision LLC	$2,011 Centurion $192	Hydrus Microstent $188	Constellation $175	AcrySof IQ PanOptix UV IOL $162	NGENUITY $149	Other $1,146
Allergan Inc.	$1,834 COMBIGAN $286	RESTASIS $246	ALPHAGAN P $146	XEN $125	LUMIGAN $94	Other $937
GLAUKOS CORPORATION	$1,099 iStent Trabecular Micro-Bypass System Model iS3 $289	iSTENT iNJECT TRABECULAR MICRO-BYPASS STENT SYSTEM $277	iStent inject W $244	ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM $82	$209
Other	$3,848 XIIDRA $703	LUMIGAN $332	Rhopressa $277	Rocklatan $256	IOLMaster 700 $168	Other $2,112

**Types of Payments**
Food and Beverage	$11,409
Travel and Lodging	$3,300
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$150
Gift	$116
Education	$38

Biography

Dr. William Trotter, who practices in Camarillo, CA, Ventura, CA, and Westlake Village, CA, is a medical specialist in general ophthalmology. Dr. Trotter's clinical interests include visual evoked potential test, graves disease, and scleral buckle. He appears to be in-network for United Healthcare HMO, Anthem, Blue California, and more. He graduated from Boston University School of Medicine. He trained at Albany Medical Center for residency. His hospital/clinic affiliations include Providence and Dignity Health. Dr. Trotter welcomes new patients at his office inCamarillo, CA as reported by Dignity Health.