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Dr. Alessandro A. Castellarin, MD

Accepting New Patients

(Dr. Alessandro Castellarin, M.D.)

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Specializes in: Vitreoretinal Diseases (Retina and Vitreous)

University of Verona Faculty of Medicine and Surgery

5404 W Cypress Avenue Suite 101
Visalia, CA 93277

(559) 627-5200

Dr. Alessandro A. Castellarin, MD is a retina specialist in Oxnard, CA specializing in vitreoretinal diseases (retina and vitreous). He graduated from University of Verona Faculty of Medicine and Surgery. Dr. Alessandro A. Castellarin, MD is affiliated with Dignity Health, Sutter Health, Cottage Health, Cottage Hospital, Santa Barbara Ca and St John's Regional Med Center/St John's Hospital Camarillo.

Office Locations

St John's Regional Med Center/St John's Hospital Camarillo

1801 N Solar Drive Suite 145
Oxnard, CA 93030

(805) 963-1648

(805) 965-5214

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2901 N Ventura Road Suite 250
Oxnard, CA 93036

(805) 983-8808

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Sutter Health

4151 Foothill Road Suite B
Santa Barbara, CA 93111

(805) 681-8950

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525 E. Micheltorena Street Suite A
Santa Barbara, CA 93103

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St John's Regional Med Center/St John's Hospital Camarillo

5404 W Cypress Avenue Suite 101
Visalia, CA 93277

(559) 627-5200

(559) 627-5222

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St John's Regional Med Center/St John's Hospital Camarillo

5555 Business Park S Suite 100
Bakersfield, CA 93309

(661) 325-4393

(661) 325-4301

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In The News

“Five other doctors at the Santa Barbara practice - Ma'an Nasir, Dante Pieramici, Alessandro Castellarin, Stephen Couvillion and Robert See - collectively billed Medicare $8 million for 5,046...”—"Costly eye drug drives up region's Medicare bills", Pacific Coast Business Times, May 2014

Noteworthy Medicare Patient Procedures Performed by Dr. Alessandro A. Castellarin, MD in 2023

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

Top 5%

By Volume:

eye procedures

intravitreal drug injection

SCODI of the posterior segment

In 2023, Dr. Alessandro A. Castellarin, MD performed more eye procedures, intravitreal drug injection, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 95% of providers in related specialties within California.

Top 25%

By Volume:

photocoagulation

photocoagulation to prevent retinal detachment

By Affordability:

comprehensive eye exam

eye exam

fundus photography

In 2012, among providers in related specialties within California, Dr. Alessandro A. Castellarin, MD performed more photocoagulation, and photocoagulation to prevent retinal detachment procedures for Medicare patients than 75% of them and he also had a list price for comprehensive eye exam, eye exam, and fundus photography 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. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2012 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	114
doctor visit	286
eye procedures	11147
injections	2033
laser treatment	14
photocoagulation	329
ultrasound (sonogram)	114

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2013 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	114
doctor visit	64
eye procedures	11550
injections	2314
laser treatment	18
photocoagulation	373
ultrasound (sonogram)	114

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	801
Female	1039

**Ethnicity**
Non-Hispanic White	1259
Black	38
Hispanic	435
Asian	74
Other	0
Native American	0

**Age**
From 65 to 74	683
From 75 to 84	600
85 and over	384
Less than 65	173

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2013

Hypertension	71
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	40
Depression	12
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	44
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2014 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	84
eye procedures	12782
injections	2313
laser treatment	12
photocoagulation	385
ultrasound (sonogram)	84

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	903
Female	1107

**Ethnicity**
Non-Hispanic White	1365
Black	36
Hispanic	487
Asian	83
Other	0
Native American	0

**Age**
From 65 to 74	750
From 75 to 84	653
85 and over	412
Less than 65	195

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2014

Hypertension	69
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	39
Depression	12
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	11
Diabetes	44
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2015 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	123
doctor visit	122
eye procedures	13322
injections	2355
laser treatment	16
photocoagulation	273
ultrasound (sonogram)	123

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	1826
Female	2326

**Ethnicity**
Non-Hispanic White	2876
Black	0
Hispanic	950
Asian	162
Other	76
Native American	0

**Age**
From 65 to 74	1604
From 75 to 84	1336
85 and over	864
Less than 65	348

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2015

Hypertension	68
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	40
Depression	13
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	43
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2016 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	60
doctor visit	311
eye procedures	12082
injections	2301
photocoagulation	159
ultrasound (sonogram)	60

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	868
Female	1098

**Ethnicity**
Non-Hispanic White	1376
Black	0
Hispanic	439
Asian	84
Other	34
Native American	0

**Age**
From 65 to 74	740
From 75 to 84	656
85 and over	428
Less than 65	142

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2016

Hypertension	67
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	38
Depression	13
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2017 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	74
doctor visit	390
eye procedures	11948
injections	2278
laser treatment	11
photocoagulation	160
prophylaxis (preventive treatment)	17
ultrasound (sonogram)	74

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	870
Female	1137

**Ethnicity**
Non-Hispanic White	1399
Black	0
Hispanic	426
Asian	86
Other	50
Native American	0

**Age**
From 65 to 74	780
From 75 to 84	677
85 and over	398
Less than 65	152

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2017

Hypertension	67
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	39
Depression	13
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2018 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	74
doctor visit	410
eye procedures	12528
injections	2397
photocoagulation	128
prophylaxis (preventive treatment)	26
ultrasound (sonogram)	74

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	885
Female	1115

**Ethnicity**
Non-Hispanic White	1409
Black	28
Hispanic	398
Asian	88
Other	59
Native American	18

**Age**
From 65 to 74	768
From 75 to 84	694
85 and over	401
Less than 65	137

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2018

Hypertension	68
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	40
Depression	15
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2019 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	93
doctor visit	494
eye procedures	13627
injections	2706
laser treatment	31
photocoagulation	220
prophylaxis (preventive treatment)	27
ultrasound (sonogram)	93

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	883
Female	1140

**Ethnicity**
Non-Hispanic White	1437
Black	31
Hispanic	407
Asian	74
Other	57
Native American	17

**Age**
From 65 to 74	779
From 75 to 84	702
85 and over	406
Less than 65	136

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2019

Hypertension	68
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	40
Depression	17
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2020 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	73
doctor visit	525
eye procedures	12704
injections	2873
laser treatment	12
photocoagulation	116
prophylaxis (preventive treatment)	25
ultrasound (sonogram)	73

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	902
Female	1132

**Ethnicity**
Non-Hispanic White	1433
Black	34
Hispanic	422
Asian	66
Other	65
Native American	14

**Age**
From 65 to 74	785
From 75 to 84	704
85 and over	408
Less than 65	137

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2020

Hypertension	67
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	39
Depression	16
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	38
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2021 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	59
doctor visit	932
eye procedures	13352
injections	3074
photocoagulation	101
prophylaxis (preventive treatment)	25
ultrasound (sonogram)	59

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	1018
Female	1272

**Ethnicity**
Non-Hispanic White	1645
Black	0
Hispanic	449
Asian	75
Other	75
Native American	0

**Age**
From 65 to 74	886
From 75 to 84	809
85 and over	459
Less than 65	136

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2021

Hypertension	68
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	38
Depression	17
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA during 2022 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

diagnostic imaging	93
doctor visit	324
eye procedures	13559
injections	3025
photocoagulation	75
prophylaxis (preventive treatment)	28
ultrasound (sonogram)	93

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	1014
Female	1286

**Ethnicity**
Non-Hispanic White	1643
Black	38
Hispanic	456
Asian	79
Other	73
Native American	11

**Age**
From 65 to 74	899
From 75 to 84	804
85 and over	454
Less than 65	143

Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	37
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Alessandro A. Castellarin, MD for Medicare patients.

The highest averages for the top procedures that Dr. Alessandro A. Castellarin, MD treated as a retina specialist in Oxnard, CA were eye procedures, injections, photocoagulation and diagnostic imaging.

diagnostic imaging	87
doctor visit	385
eye procedures	12600
injections	2515
laser treatment	16
photocoagulation	210
prophylaxis (preventive treatment)	24
ultrasound (sonogram)	87

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Alessandro A. Castellarin, MD.

**Gender**
Male	906
Female	1150

**Ethnicity**
Black / African American	18
Asian / Pacific Islander	79
Non-Hispanic White	1440
Native American / Alaskan Native	5
Hispanic	442
Other	44

**Age**
75 to 84	694
85 and over	419
Less than 65	154
65 to 74	788

Average of Total of Conditions of Medicare patients treated by Dr. Alessandro A. Castellarin, MD From 2012 - 2022

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

Hypertension	62
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	34
Depression	13
Chronic Kidney Disease	28
Asthma	6
Osteoporosis	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	36
Atrial Fibrillation	11
Dementia	7
Cancer	9

Education & Training

Dr. Alessandro A. Castellarin, MD graduated from University of Verona Faculty of Medicine and Surgery. He completed residency at UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals. He is certified by the Board Certification: Ophthalmology and has a state license in California.

Medical School: University of Verona Faculty of Medicine and Surgery

Residency: UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals

Board Certification: Board Certification: Ophthalmology

Licensed In: California

Affiliations & Hospitals

Dr. Alessandro A. Castellarin, MD is associated with these hospitals and organizations:

Dignity Health

Sutter Health

Cottage Health

Cottage Hospital, Santa Barbara Ca

St John's Regional Med Center/St John's Hospital Camarillo

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Alessandro A. Castellarin, MD appears to accept the following insurance providers: Cigna, AARP, Anthem Blue Cross of California, Blue Shield of California, Three Rivers, MultiPlan, Medicare Advantage, First Health, United Healthcare, Aetna Medicare PPO, Humana, HealthSmart, Accepted California Foundation for Medical Care (Kern and Santa Barbara Counties) Plans: PPO: Large Group & Small Group, Accepted CenCal Plans: CenCal CareConnect (HMO D-SNP), Accepted Provider Networks of America Plans: PPO and Accepted Health Net Plans: ELECT Open Access POS, Large and Small Group: ELECT POS, Large and Small Group: Health Net HMO: Large Group (101+ employees) & Small Group (2-100 employees): Health Net....

Insurance Accepted by Provider includes:

According to our sources, Dr. Alessandro A. Castellarin, MD accepts the following insurance providers:

Cigna

AARP

Anthem Blue Cross of California

Blue Shield of California

Three Rivers

MultiPlan

Medicare Advantage

First Health

United Healthcare

Aetna Medicare PPO

Humana

HealthSmart

Accepted California Foundation for Medical Care (Kern and Santa Barbara Counties) Plans: PPO: Large Group & Small Group

Accepted CenCal Plans: CenCal CareConnect (HMO D-SNP)

Accepted Provider Networks of America Plans: PPO

Accepted Health Net Plans: ELECT Open Access POS, Large and Small Group: ELECT POS, Large and Small Group: Health Net HMO: Large Group (101+ employees) & Small Group (2-100 employees): Health Net...

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$50,926 LUCENTIS $46,007	VABYSMO $4,734	SUSVIMO $25	$160
Allergan Inc.	$7,803 OZURDEX $7,104	LUMIGAN $251	RESTASIS $249	BOTOX $17	$181
Carl Zeiss Meditec, Inc.	$4,259 VISULAS 532s $4,259
Alcon Research LLC	$4,200 NGENUITY $4,200
F. Hoffmann-La Roche AG	$3,806 LUCENTIS $3,806
Other	$9,800 Eylea $1,386	EYLEA aflibercept injection $808	OZURDEX $544	LUCENTIS $532	Constellation $374	Other $6,156

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$30,418
Consulting Fee	$20,211
Food and Beverage	$13,049
Travel and Lodging	$12,481
Gift	$4,259
Other	$377

Research Payments

Dr. Alessandro A. Castellarin, MD has received 70 research payments totaling $570,052.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Alessandro A. Castellarin, MD.

US Retina LLC	2018	$3,360.00	Physician Covered Recipient	Shares
US Retina LLC	2017	$3,360.00	Physician Covered Recipient	Shares
US Retina LLC	2016	$3,360.00	Physician Covered Recipient	Shares
US Retina LLC	2015	$3,360.00	Physician Covered Recipient	Shares
US Retina LLC	2019	$3,360.00	Physician Covered Recipient	Shares

Biography

Dr. Alessandro Castellarin's medical specialty is vitreoretinal diseases (retina and vitreous). He is professionally affiliated with Cottage Health, Dignity Health, and Sutter Health. He obtained his medical school training at the University of Verona Faculty of Medicine and Surgery and performed his residency at a hospital affiliated with UMDNJ-Robert Wood Johnson Medical School. Dr. Castellarin seems to be an in-network provider for AARP, Anthem, and Blue California, as well as other insurance carriers. According to Dignity Health, new patients are welcome to contact Dr. Castellarin's office in Bakersfield, CA.