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Dr. Winston Douglas Chamberlain, MD, PHD

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Specializes in: Eye Disease Ophthalmology (Corneal and External Diseases)

3375 Sw Terwilliger Boulevard
Portland, OR 97239

(503) 494-3000

Dr. Winston Douglas Chamberlain, MD, PHD is a cornea specialist in Portland, OR specializing in eye disease ophthalmology (corneal and external diseases).

Office Locations

3375 Sw Terwilliger Boulevard
Portland, OR 97239

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Noteworthy Medicare Patient Procedures Performed by Dr. Winston Douglas Chamberlain, MD, PHD in 2024

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

Top 5%

By Volume:

corneal epithelial debridement

In 2024, Dr. Winston Douglas Chamberlain, MD, PHD performed more corneal epithelial debridement procedures for Medicare patients than 95% of providers in related specialties within Oregon.

Top 10%

By Affordability:

ophthalmic ultrasound

ultrasound

In 2024, Dr. Winston Douglas Chamberlain, MD, PHD had a list price for ophthalmic ultrasound, and ultrasound (sonogram) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Oregon. 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:

ultrasound corneal pachymetry

By Affordability:

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2012, among providers in related specialties within Oregon, Dr. Winston Douglas Chamberlain, MD, PHD performed more ultrasound corneal pachymetry procedures for Medicare patients than 75% of them and he also had a list price for corneal topography, eye tests, ophthalmic biometry, ophthalmic (eye and orbit) imaging, 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 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. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2012 were eye procedures and transplant procedures.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

doctor visit	27
eye procedures	567
transplant procedures	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2013 were eye procedures and transplant procedures.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

eye procedures	653
transplant procedures	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	116
Female	201

**Ethnicity**
Non-Hispanic White	279
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	92
85 and over	35
Less than 65	48

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2013

Hypertension	49
High Cholesterol	40
Stroke	5
Ischemic Heart Disease	22
Depression	15
Chronic Kidney Disease	14
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2014 were eye procedures and transplant procedures.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

eye procedures	629
transplant procedures	17

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	127
Female	209

**Ethnicity**
Non-Hispanic White	306
Black	0
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	100
85 and over	41
Less than 65	47

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2014

Hypertension	46
High Cholesterol	34
Stroke	5
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	15
Asthma	6
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	4
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2015 were eye procedures, transplant procedures, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

capsulotomy	12
eye procedures	679
laser treatment	12
transplant procedures	20
ultrasound (sonogram)	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	254
Female	402

**Ethnicity**
Non-Hispanic White	604
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	188
85 and over	96
Less than 65	68

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2015

Hypertension	50
High Cholesterol	36
Stroke	5
Ischemic Heart Disease	18
Depression	16
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2016 were eye procedures, ultrasound (sonogram) and transplant procedures.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

eye procedures	767
transplant procedures	17
ultrasound (sonogram)	49

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	135
Female	206

**Ethnicity**
Non-Hispanic White	302
Black	0
Hispanic	0
Asian	12
Other	12
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	100
85 and over	38
Less than 65	38

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2016

Hypertension	50
High Cholesterol	33
Stroke	4
Ischemic Heart Disease	18
Depression	16
Chronic Kidney Disease	13
Asthma	12
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2017 were eye procedures, ultrasound (sonogram) and transplant procedures.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

eye procedures	755
transplant procedures	16
ultrasound (sonogram)	52

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	139
Female	213

**Ethnicity**
Non-Hispanic White	311
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	110
85 and over	39
Less than 65	30

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2017

Hypertension	49
High Cholesterol	30
Stroke	0
Ischemic Heart Disease	20
Depression	13
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Dementia	3
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2018 were eye procedures, ultrasound (sonogram), transplant procedures and capsulotomy.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

capsulotomy	12
eye procedures	714
laser treatment	12
transplant procedures	14
ultrasound (sonogram)	42

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	153
Female	230

**Ethnicity**
Non-Hispanic White	342
Black	0
Hispanic	11
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	121
85 and over	42
Less than 65	40

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2018

Hypertension	44
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	20
Depression	17
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2019 were eye procedures, ultrasound (sonogram), transplant procedures and capsulotomy.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

capsulotomy	13
eye procedures	821
laser treatment	13
transplant procedures	17
ultrasound (sonogram)	29

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	161
Female	248

**Ethnicity**
Non-Hispanic White	364
Black	0
Hispanic	12
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	134
85 and over	44
Less than 65	41

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2019

Hypertension	48
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2020 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

doctor visit	29
eye procedures	625
ultrasound (sonogram)	73

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	130
Female	192

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	120
85 and over	31
Less than 65	26

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2020

Hypertension	45
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	20
Depression	21
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	3
Diabetes	15
Dementia	3
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2021 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

capsulotomy	12
doctor visit	38
eye procedures	741
laser treatment	12
ultrasound (sonogram)	86

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	134
Female	204

**Ethnicity**
Non-Hispanic White	301
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	128
85 and over	33
Less than 65	26

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2021

Hypertension	47
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	19
Asthma	5
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	4
Diabetes	16
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2022 were eye procedures, ultrasound (sonogram) and transplant procedures.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

doctor visit	26
eye procedures	713
transplant procedures	13
ultrasound (sonogram)	51

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	145
Female	224

**Ethnicity**
Non-Hispanic White	328
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	151
85 and over	49
Less than 65	26

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2022

Hypertension	60
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	14
Depression	13
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	19
Atrial Fibrilation	17
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	17
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2023 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

capsulotomy	18
doctor visit	171
eye procedures	565
laser treatment	18
ultrasound (sonogram)	65

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	142
Female	212

**Ethnicity**
Non-Hispanic White	311
Black	0
Hispanic	12
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	136
85 and over	45
Less than 65	36

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2023

Hypertension	59
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	16
Depression	16
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	20
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR during 2024 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

capsulotomy	13
debridement (removal of unhealthy tissue)	12
doctor visit	410
eye procedures	280
laser treatment	13
transplant procedures	11
ultrasound (sonogram)	57

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	142
Female	191

**Ethnicity**
Non-Hispanic White	297
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	116
85 and over	48
Less than 65	26

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2024

Hypertension	58
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	17
Depression	17
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	19
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	4
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Winston Douglas Chamberlain, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Winston Douglas Chamberlain, MD, PHD treated as a cornea specialist in Portland, OR were eye procedures, ultrasound (sonogram), transplant procedures and capsulotomy.

capsulotomy	13
debridement (removal of unhealthy tissue)	12
doctor visit	116
eye procedures	654
laser treatment	13
transplant procedures	15
ultrasound (sonogram)	51

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD.

**Gender**
Male	136
Female	210

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	310
Hispanic	3
Native American / Alaskan Native	0
Other	10

**Age**
75 to 84	115
85 and over	41
Less than 65	34
65 to 74	155

Average of Total of Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD From 2012 - 2024

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

Hypertension	46
High Cholesterol	37
Stroke	2
Ischemic Heart Disease	17
Depression	15
Chronic Kidney Disease	15
Asthma	7
Osteoporosis	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Atrial Fibrillation	9
Dementia	3
Cancer	9

Education & Training

He has a state license in Oregon.

Licensed In: Oregon

Ratings & Reviews

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General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$11,900 $11,900
AbbVie Inc.	$5,804 Elahere $3,648	$2,156
LEO Pharma Inc.	$3,675 $3,675
Oyster Point Pharma, Inc.	$2,036 PHENTOLAMINE MESYLATE $1,800	TYRVAYA $236
GLAUKOS CORPORATION	$1,125 CE-marked KXLA system $1,125
Other	$2,818 Oxervate $1,100	Wavelight Refractive Suite $212	XIIDRA $147	VisuMax $145	BIOTRUE $92	Other $1,123

**Types of Payments**
Consulting Fee	$24,540
Food and Beverage	$1,464
Honoraria	$1,100
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$150
Education	$105

Research Payments

Dr. Winston Douglas Chamberlain, MD, PHD has received 49 research payments totaling $141,952.

Biography

Dr. Winston Chamberlain sees patients in Portland, OR. His medical specialty is eye disease ophthalmology (corneal and external diseases). Dr. Chamberlain has obtained a license to practice in Oregon.

Select Year:

Dr. Winston Douglas Chamberlain, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Winston Douglas Chamberlain, MD, PHD in 2024

By Volume:

By Affordability:

By Volume:

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. Winston Douglas Chamberlain, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Winston Douglas Chamberlain, MD, PHD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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