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Home > SC Providers > Retina Specialists

Dr. Derek L. Barker, MD, FASRS

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Specializes in: Vitreoretinal Diseases (Retina and Vitreous)

Medical University of South Carolina College of Medicine

1920 Pickens Street
Columbia, SC 29201

(803) 779-3070

Dr. Derek L. Barker, MD, FASRS is a retina specialist in Columbia, SC specializing in vitreoretinal diseases (retina and vitreous). He graduated from Medical University of South Carolina College of Medicine.

Office Locations

1920 Pickens Street
Columbia, SC 29201

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Noteworthy Medicare Patient Procedures Performed by Dr. Derek L. Barker, MD, FASRS in 2023

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

Top 5%

By Volume:

eye procedures

focal photocoagulation for retinal lesion

intravitreal drug injection

photocoagulation

retinal photocoagulation

SCODI of the posterior segment

By Affordability:

comprehensive eye exam

eye tests

focal photocoagulation

focal photocoagulation for retinal lesion

In 2023, among providers in related specialties within South Carolina, Dr. Derek L. Barker, MD, FASRS performed more eye procedures, focal photocoagulation for retinal lesion, intravitreal drug injection, photocoagulation, retinal photocoagulation, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 95% of them and he also had a list price for comprehensive eye exam, eye tests, focal photocoagulation, and focal photocoagulation for retinal lesion that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

vitreoretinal surgical procedures

By Affordability:

eye exam

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2023, among providers in related specialties within South Carolina, Dr. Derek L. Barker, MD, FASRS performed more vitreoretinal surgical procedures procedures for Medicare patients than 90% of them and he also had a list price for eye exam, 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 90% 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.

Top 25%

By Volume:

comprehensive eye exam

diagnostic B-scan

By Affordability:

eye injection

intraocular injection

intravitreal drug injection

intravitreal injection

panretinal photocoagulation

photocoagulation

retinal photocoagulation

vitrectomy

In 2012, among providers in related specialties within South Carolina, Dr. Derek L. Barker, MD, FASRS performed more comprehensive eye exam, and diagnostic B-scan procedures for Medicare patients than 75% of them and he also had a list price for eye injection, intraocular injection, intravitreal drug injection, intravitreal injection, panretinal photocoagulation (PRP), photocoagulation, retinal photocoagulation, and vitrectomy (vitreous surgery) 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. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2012 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	44
doctor visit	721
eye procedures	4654
injections	1034
photocoagulation	181
ultrasound (sonogram)	44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2013 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	52
doctor visit	593
eye procedures	5686
injections	1333
photocoagulation	218
prophylaxis (preventive treatment)	11
ultrasound (sonogram)	52

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	465
Female	623

**Ethnicity**
Non-Hispanic White	883
Black	186
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	449
From 75 to 84	363
85 and over	191
Less than 65	85

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2013

Hypertension	75
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	41
Depression	14
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	41
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2014 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	65
doctor visit	601
eye procedures	6865
injections	1733
photocoagulation	179
prophylaxis (preventive treatment)	16
ultrasound (sonogram)	65

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	538
Female	742

**Ethnicity**
Non-Hispanic White	1028
Black	222
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	566
From 75 to 84	382
85 and over	231
Less than 65	101

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2014

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	42
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2015 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	39
doctor visit	520
eye procedures	7341
injections	1959
photocoagulation	178
prophylaxis (preventive treatment)	13
ultrasound (sonogram)	39

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	1026
Female	1372

**Ethnicity**
Non-Hispanic White	1884
Black	448
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	994
From 75 to 84	746
85 and over	480
Less than 65	178

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2015

Hypertension	75
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	42
Depression	16
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	43
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2016 were eye procedures, injections, photocoagulation and prophylaxis (preventive treatment).

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	28
doctor visit	550
eye procedures	7491
injections	2163
photocoagulation	147
prophylaxis (preventive treatment)	29
ultrasound (sonogram)	28

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	547
Female	727

**Ethnicity**
Non-Hispanic White	1017
Black	220
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	510
From 75 to 84	421
85 and over	249
Less than 65	94

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2016

Hypertension	75
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	41
Depression	16
Chronic Kidney Disease	29
Asthma	13
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	41
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2017 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	38
doctor visit	579
eye procedures	7974
injections	2292
photocoagulation	137
prophylaxis (preventive treatment)	16
ultrasound (sonogram)	38

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	600
Female	851

**Ethnicity**
Non-Hispanic White	1154
Black	246
Hispanic	15
Asian	15
Other	21
Native American	0

**Age**
From 65 to 74	616
From 75 to 84	494
85 and over	264
Less than 65	77

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2017

Hypertension	75
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	41
Depression	17
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	19
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. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2018 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	29
doctor visit	604
eye procedures	7921
injections	2339
photocoagulation	167
prophylaxis (preventive treatment)	29
ultrasound (sonogram)	29

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	639
Female	893

**Ethnicity**
Non-Hispanic White	1210
Black	267
Hispanic	0
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	666
From 75 to 84	538
85 and over	251
Less than 65	77

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2018

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	40
Depression	18
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	40
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2019 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	32
doctor visit	549
eye procedures	8224
injections	2510
photocoagulation	181
prophylaxis (preventive treatment)	17
ultrasound (sonogram)	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	664
Female	923

**Ethnicity**
Non-Hispanic White	1238
Black	281
Hispanic	18
Asian	15
Other	35
Native American	0

**Age**
From 65 to 74	683
From 75 to 84	548
85 and over	272
Less than 65	84

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2019

Hypertension	75
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	39
Depression	16
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	41
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2020 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

capsulotomy	11
diagnostic imaging	32
doctor visit	412
eye procedures	8020
injections	2447
photocoagulation	125
prophylaxis (preventive treatment)	26
ultrasound (sonogram)	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	607
Female	841

**Ethnicity**
Non-Hispanic White	1146
Black	242
Hispanic	12
Asian	12
Other	36
Native American	0

**Age**
From 65 to 74	627
From 75 to 84	525
85 and over	233
Less than 65	63

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2020

Hypertension	74
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	39
Depression	17
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	9
Diabetes	41
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2021 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	32
doctor visit	2632
eye procedures	6099
injections	2467
photocoagulation	93
prophylaxis (preventive treatment)	25
ultrasound (sonogram)	32

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	631
Female	886

**Ethnicity**
Non-Hispanic White	1209
Black	247
Hispanic	11
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	661
From 75 to 84	570
85 and over	225
Less than 65	61

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2021

Hypertension	75
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	38
Depression	17
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	41
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC during 2022 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

diagnostic imaging	24
doctor visit	2700
eye procedures	5795
injections	2714
photocoagulation	48
prophylaxis (preventive treatment)	19
ultrasound (sonogram)	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	583
Female	835

**Ethnicity**
Non-Hispanic White	1147
Black	211
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	560
From 75 to 84	564
85 and over	256
Less than 65	38

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	41
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Derek L. Barker, MD, FASRS for Medicare patients.

The highest averages for the top procedures that Dr. Derek L. Barker, MD, FASRS treated as a retina specialist in Columbia, SC were eye procedures, injections, photocoagulation and diagnostic imaging.

capsulotomy	11
diagnostic imaging	37
doctor visit	951
eye procedures	6915
injections	2090
photocoagulation	150
prophylaxis (preventive treatment)	20
ultrasound (sonogram)	37

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Derek L. Barker, MD, FASRS.

**Gender**
Male	572
Female	790

**Ethnicity**
Black / African American	233
Asian / Pacific Islander	3
Non-Hispanic White	1083
Native American / Alaskan Native	0
Hispanic	10
Other	17

**Age**
75 to 84	468
85 and over	241
Less than 65	78
65 to 74	575

Average of Total of Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS From 2012 - 2022

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

Hypertension	68
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	27
Asthma	6
Osteoporosis	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Atrial Fibrillation	11
Dementia	7
Cancer	8

Education & Training

Dr. Derek L. Barker, MD, FASRS graduated from Medical University of South Carolina College of Medicine. He completed residency at University of Alabama Affiliated Hospitals. He has a state license in South Carolina.

Medical School: Medical University of South Carolina College of Medicine

Residency: University of Alabama Affiliated Hospitals

Licensed In: South Carolina

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$446 LUCENTIS $273	VABYSMO $96	$77
Alimera Sciences, Inc.	$264 ILUVIEN $249	$16
Regeneron Healthcare Solutions, Inc.	$236 Eylea $236
Alcon Laboratories Inc	$129 Constellation $70	$59
Dutch Ophthalmic, USA	$121 EVA Ophthalmic Surgical System $121
Other	$923 OZURDEX $275	YUTIQ $110	AcrySof IQ VIVITY $79	Rhopressa $72	Cimerli $41	Other $346

**Types of Payments**
Food and Beverage	$2,078
Education	$42

Biography

Dr. Derek Barker's area of specialization is vitreoretinal diseases (retina and vitreous). Before performing his residency at a hospital affiliated with the University of Alabama, Dr. Barker attended Medical University of South Carolina College of Medicine for medical school.

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Dr. Derek L. Barker, MD, FASRS

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Derek L. Barker, MD, FASRS in 2023

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By Affordability:

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. Derek L. Barker, MD, FASRS in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Derek L. Barker, MD, FASRS 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. Derek L. Barker, MD, FASRS From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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