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Home > CA Providers > Ophthalmologists

Dr. William Blase, MD

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Specializes in: Ophthalmology (Eye Disease)

2390 E Florida Avenue #207
Hemet, CA 92544

(951) 652-6100

Dr. William Blase, MD is an ophthalmologist in Hemet, CA specializing in ophthalmology (eye disease).

Office Locations

2390 E Florida Avenue #207
Hemet, CA 92544

(951) 652-6100

(951) 658-7548

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Noteworthy Medicare Patient Procedures Performed by Dr. William Blase, MD in 2023

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

Top 10%

By Affordability:

fundus photography

In 2023, Dr. William Blase, MD had a list price for fundus photography 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 Affordability:

extraocular surgery

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2012, Dr. William Blase, MD had a list price for extraocular surgery, scanning computerized ophthalmic diagnostic imaging (SCODI), and SCODI of the posterior segment (SCODI-P) 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 Blase, MD treated as an ophthalmologist in Hemet, CA during 2012 were eye procedures and lacrimal (tearing system) procedures.

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

doctor visit	156
eye procedures	234
lacrimal (tearing system) procedures	34

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2013 were eye procedures, injections and lacrimal (tearing system) procedures.

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

doctor visit	394
eye procedures	752
injections	46
lacrimal (tearing system) procedures	41

2013 Medicare Patient Data

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

**Gender**
Male	187
Female	336

**Ethnicity**
Non-Hispanic White	389
Black	21
Hispanic	79
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	208
85 and over	94
Less than 65	33

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

Hypertension	72
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	44
Depression	17
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	44
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2014 were eye procedures and lacrimal (tearing system) procedures.

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

doctor visit	410
eye procedures	438
lacrimal (tearing system) procedures	60

2014 Medicare Patient Data

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

**Gender**
Male	181
Female	312

**Ethnicity**
Non-Hispanic White	350
Black	27
Hispanic	74
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	163
85 and over	82
Less than 65	43

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

Hypertension	73
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	41
Depression	18
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	47
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2015 were eye procedures, lacrimal (tearing system) procedures and ultrasound (sonogram).

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

doctor visit	307
eye procedures	195
lacrimal (tearing system) procedures	41
ultrasound (sonogram)	11

2015 Medicare Patient Data

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

**Gender**
Male	242
Female	362

**Ethnicity**
Non-Hispanic White	430
Black	34
Hispanic	80
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	206
85 and over	122
Less than 65	36

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

Hypertension	72
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	38
Depression	18
Chronic Kidney Disease	26
Asthma	14
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	45
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2016 were eye procedures, lacrimal (tearing system) procedures and ultrasound (sonogram).

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

doctor visit	141
eye procedures	87
lacrimal (tearing system) procedures	20
ultrasound (sonogram)	11

2016 Medicare Patient Data

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

**Gender**
Male	39
Female	86

**Ethnicity**
Non-Hispanic White	97
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	45
85 and over	28
Less than 65	13

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

Hypertension	74
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	41
Depression	15
Chronic Kidney Disease	32
Asthma	27
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	31
Diabetes	51
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2017 were eye procedures and lacrimal (tearing system) procedures.

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

doctor visit	183
eye procedures	153
lacrimal (tearing system) procedures	25

2017 Medicare Patient Data

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

**Gender**
Male	52
Female	111

**Ethnicity**
Non-Hispanic White	123
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	59
85 and over	29
Less than 65	18

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

Hypertension	74
High Cholesterol	51
Stroke	7
Ischemic Heart Disease	36
Depression	18
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	49
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2018 were eye procedures and lacrimal (tearing system) procedures.

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

doctor visit	113
eye procedures	381
lacrimal (tearing system) procedures	17

2018 Medicare Patient Data

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

**Gender**
Male	70
Female	157

**Ethnicity**
Non-Hispanic White	166
Black	12
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	70
85 and over	38
Less than 65	24

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

Hypertension	71
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	17
Diabetes	47
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2019 were eye procedures and lacrimal (tearing system) procedures.

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

doctor visit	63
eye procedures	275
lacrimal (tearing system) procedures	16

2019 Medicare Patient Data

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

**Gender**
Male	60
Female	104

**Ethnicity**
Non-Hispanic White	107
Black	0
Hispanic	28
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	58
85 and over	29
Less than 65	14

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

Hypertension	71
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	41
Depression	21
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	57
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2020 were eye procedures, lacrimal (tearing system) procedures and ultrasound (sonogram).

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

doctor visit	58
eye procedures	457
lacrimal (tearing system) procedures	17
ultrasound (sonogram)	13

2020 Medicare Patient Data

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

**Gender**
Male	94
Female	166

**Ethnicity**
Non-Hispanic White	169
Black	15
Hispanic	49
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	97
85 and over	41
Less than 65	15

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

Hypertension	72
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	40
Depression	18
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	38
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2021 were eye procedures and lacrimal (tearing system) procedures.

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

doctor visit	30
eye procedures	259
lacrimal (tearing system) procedures	20

2021 Medicare Patient Data

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

**Gender**
Male	46
Female	90

**Ethnicity**
Non-Hispanic White	90
Black	0
Hispanic	18
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	48
85 and over	0
Less than 65	0

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

Hypertension	71
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	43
Depression	22
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	24
Chronic Obstructive Pulmonary Disease	16
Diabetes	48
Dementia	15
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA during 2022 were eye procedures, lacrimal (tearing system) procedures and ultrasound (sonogram).

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

doctor visit	102
eye procedures	113
lacrimal (tearing system) procedures	17
ultrasound (sonogram)	12

2022 Medicare Patient Data

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

**Gender**
Male	31
Female	68

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	29
85 and over	0
Less than 65	0

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

Hypertension	74
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	14
Atrial Fibrilation	21
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	49
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. William Blase, MD treated as an ophthalmologist in Hemet, CA were eye procedures, injections, lacrimal (tearing system) procedures and ultrasound (sonogram).

doctor visit	177
eye procedures	304
injections	46
lacrimal (tearing system) procedures	28
ultrasound (sonogram)	11

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	91
Female	162

**Ethnicity**
Black / African American	9
Asian / Pacific Islander	11
Non-Hispanic White	180
Native American / Alaskan Native	0
Hispanic	36
Other	0

**Age**
75 to 84	89
85 and over	42
Less than 65	17
65 to 74	99

Average of Total of Conditions of Medicare patients treated by Dr. William Blase, MD From 2012 - 2022

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

Hypertension	65
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	28
Asthma	7
Osteoporosis	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	43
Atrial Fibrillation	12
Dementia	7
Cancer	9

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Alcon Vision LLC	$1,234 AcrySof IQ VIVITY IOL $400	CLAREON $315	AcrySof IQ PanOptix $177	AcrySof IQ PanOptix UV IOL $138	LenSx $95	Other $108
Alcon Laboratories Inc	$634 Refractive Equipment $226	RefractiveEquipment $108	Luxor $74	ReSTOR $60	Simbrinza $54	Other $111
Allergan Inc.	$182 COMBIGAN $33	LUMIGAN $31	RESTASIS $30	$87
Bausch and Lomb Inc.	$178 LOTEMAX GEL $178
TissueTech, Inc.	$111 AmnioGuard $111
Other	$518 Healon Viscoelastics $108	CEQUA $97	XIIDRA $52	PROLENSA $39	Contact Lens $30	Other $193

**Types of Payments**
Food and Beverage	$2,788
Education	$40
Entertainment	$29

Research Payments

Dr. William Blase, MD has received 1 research payments totaling $2,000.

Biography

Dr. William Blase, who practices in Hemet, CA, is a medical specialist in ophthalmology (eye disease). Dr. Blase attended medical school at the University of Virginia School of Medicine.

Select Year:

Dr. William Blase, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William Blase, MD in 2023

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. William Blase, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

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

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

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

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Blase, MD 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. William Blase, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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