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Home > CA Providers > Retina Specialists

Dr. Craig Jann Leong, MD, Prf

(2 Ratings)

Specializes in: Vitreoretinal Diseases (Retina and Vitreous)

Northwestern University, Feinberg School of Medicine

5980 Stoneridge Drive Suite 117
Pleasanton, CA 94588

(925) 463-8200

Dr. Craig Jann Leong, MD, Prf is a retina specialist in Castro Valley, CA specializing in vitreoretinal diseases (retina and vitreous). He graduated from Northwestern University, Feinberg School of Medicine. Dr. Craig Jann Leong, MD, Prf is affiliated with Alta Bates Summit Medical Center, Berkeley, CA and John Muir Medical Center, Walnut Creek, CA.

Office Locations

20130 Lake Chabot Road Suite 303
Castro Valley, CA 94546

(510) 733-1888

(510) 881-5332

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John Muir Medical Center, Walnut Creek, CA

365 Lennon Lane Suite 500
Walnut Creek, CA 94598

(925) 876-2323

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5980 Stoneridge Drive Suite 117
Pleasanton, CA 94588

(925) 463-8200

(925) 463-8201

open_in_new

In The News

“Blank's research led him to Dr. Craig Leong, a Castro Valley optometrist and a member of the Bay Area Retina Association.”—"New drug may halt macular degeneration", East Bay Times, July 2006

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2013 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	31
doctor visit	62
eye procedures	3826
injections	960
photocoagulation	18
ultrasound (sonogram)	31

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	260
Female	347

**Ethnicity**
Non-Hispanic White	442
Black	21
Hispanic	53
Asian	71
Other	20
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	183
85 and over	148
Less than 65	48

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2013

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2013 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	66
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2014 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	14
doctor visit	93
eye procedures	3368
injections	910
ultrasound (sonogram)	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	254
Female	328

**Ethnicity**
Non-Hispanic White	428
Black	23
Hispanic	49
Asian	68
Other	14
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	171
85 and over	159
Less than 65	44

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2014

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	69
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	36
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2015 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	23
doctor visit	119
eye procedures	3824
injections	1040
photocoagulation	13
prophylaxis (preventive treatment)	13
ultrasound (sonogram)	23

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	494
Female	646

**Ethnicity**
Non-Hispanic White	854
Black	40
Hispanic	92
Asian	120
Other	0
Native American	0

**Age**
From 65 to 74	422
From 75 to 84	352
85 and over	300
Less than 65	66

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2015

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2015 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	68
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	8
Diabetes	35
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2016 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	32
doctor visit	108
eye procedures	3647
injections	1070
ultrasound (sonogram)	32

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	255
Female	324

**Ethnicity**
Non-Hispanic White	431
Black	23
Hispanic	35
Asian	69
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	188
85 and over	150
Less than 65	31

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2016

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2016 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	67
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2017 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	49
doctor visit	89
eye procedures	4063
injections	1094
ultrasound (sonogram)	49

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	250
Female	309

**Ethnicity**
Non-Hispanic White	416
Black	0
Hispanic	35
Asian	67
Other	21
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	168
85 and over	146
Less than 65	30

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2017

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2017 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	69
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2018 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	61
doctor visit	131
eye procedures	4637
injections	1151
ultrasound (sonogram)	61

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	301
Female	335

**Ethnicity**
Non-Hispanic White	445
Black	0
Hispanic	59
Asian	82
Other	34
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	202
85 and over	136
Less than 65	27

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2018

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2018 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	64
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	9
Diabetes	33
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2019 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	38
doctor visit	159
eye procedures	4393
injections	1054
photocoagulation	32
prophylaxis (preventive treatment)	13
ultrasound (sonogram)	38

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	291
Female	349

**Ethnicity**
Non-Hispanic White	444
Black	0
Hispanic	58
Asian	90
Other	32
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	215
85 and over	124
Less than 65	37

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2019

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2019 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	65
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2020 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

diagnostic imaging	61
doctor visit	134
eye procedures	3199
injections	767
ultrasound (sonogram)	61

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	267
Female	316

**Ethnicity**
Non-Hispanic White	414
Black	21
Hispanic	58
Asian	69
Other	21
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	200
85 and over	126
Less than 65	40

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2020

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2020 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	64
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	31
Depression	15
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	38
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA during 2021 were eye procedures and injections.

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

eye procedures	1741
injections	392

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	179
Female	222

**Ethnicity**
Non-Hispanic White	276
Black	0
Hispanic	37
Asian	61
Other	0
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	148
85 and over	86
Less than 65	16

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2021

The most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated during 2021 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	67
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	38
Asthma	5
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	8
Diabetes	39
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Craig Jann Leong, MD, Prf for Medicare patients.

The highest averages for the top procedures that Dr. Craig Jann Leong, MD, Prf treated as a retina specialist in Castro Valley, CA were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

diagnostic imaging	38
doctor visit	111
eye procedures	3633
injections	937
photocoagulation	21
prophylaxis (preventive treatment)	13
ultrasound (sonogram)	38

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Craig Jann Leong, MD, Prf.

**Gender**
Male	283
Female	352

**Ethnicity**
Black / African American	14
Asian / Pacific Islander	77
Non-Hispanic White	461
Hispanic	52
Native American / Alaskan Native	0
Other	15

**Age**
75 to 84	203
85 and over	152
Less than 65	37
65 to 74	242

Average of Total of Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Craig Jann Leong, MD, Prf treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	66
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	34
Asthma	7
Osteoporosis	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Atrial Fibrillation	12
Cancer	11
Dementia	9

Education & Training

Dr. Craig Jann Leong, MD, Prf graduated from Northwestern University, Feinberg School of Medicine. He completed residency at SUNY Downstate Medical Center and Affiliated Hospitals. He has a state license in California.

Medical School: Northwestern University, Feinberg School of Medicine

Residency: SUNY Downstate Medical Center and Affiliated Hospitals

Licensed In: California

Affiliations & Hospitals

Dr. Craig Jann Leong, MD, Prf is associated with these hospitals and organizations:

Alta Bates Summit Medical Center, Berkeley, CA

John Muir Medical Center, Walnut Creek, CA

Ratings & Reviews

Dr. Craig Jann Leong, MD, Prf has a high overall rating with an average of 3.5 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Craig Jann Leong, MD, Prf from all over the web to help you find the right in Castro Valley, CA.

3.5

Overall Rating

(2 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Genentech, Inc.	$3,413 Non-Covered Product $1,914	LUCENTIS $1,499
Allergan Inc.	$911 OZURDEX $457	RESTASIS $250	LUMIGAN $101	COMBIGAN $81	BOTOX $22
Genentech USA, Inc.	$819 LUCENTIS $570	$249
Novartis Pharmaceuticals Corporation	$166 BEOVU $44	$122
Regeneron Healthcare Solutions, Inc.	$165 EYLEA aflibercept injection $165
Other	$729 Constellation $140	CEQUA $125	EYLEA aflibercept injection $125	xr $106	VISUDYNE $80	Other $153

**Types of Payments**
Food and Beverage	$3,983
Travel and Lodging	$2,140
Education	$80

Biography

Dr. Craig Leong is a vitreoretinal diseases (retina and vitreous) specialist. He attended Northwestern University, Feinberg School of Medicine and then went on to complete his residency at a hospital affiliated with SUNY Downstate Medical Center.

Select Year:

Dr. Craig Jann Leong, MD, Prf

Office Locations

In The News

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf in 2021

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2021

Average Medicare Patient Data From 2013 - 2021

Average of Total of Conditions of Medicare patients treated by Dr. Craig Jann Leong, MD, Prf From 2013 - 2021

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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