In 2023, among providers in related specialties within Maryland, Dr. Cathy Darlene Shrader, MD performed more eye procedures, laser trabeculoplasty, and ultrasound corneal pachymetry procedures for Medicare patients than 95% of them and she also had a list price for fundus photography, gonioscopy, laser eye surgery, secondary cataract surgery, YAG laser capsulotomy, and YAG laser surgery 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 Affordability:

cataract surgery

cataract surgery with IOL implantation

extracapsular cataract extraction with IOL implantation

extracapsular lens removal

intraocular lens implant

lens removal surgery

lens replacement surgery

simple cataract surgery

In 2023, Dr. Cathy Darlene Shrader, MD had a list price for cataract surgery, cataract surgery with IOL implantation, extracapsular cataract extraction (ECCE) with IOL implantation, extracapsular lens removal, intraocular lens (IOL) implant, lens removal surgery, lens replacement surgery, and simple cataract surgery that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Maryland. 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:

anterior segment surgery

SCODI of the posterior segment

simple cataract surgery

By Affordability:

anterior segment surgery

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2012, among providers in related specialties within Maryland, Dr. Cathy Darlene Shrader, MD performed more anterior segment surgery, SCODI of the posterior segment (SCODI-P), and simple cataract surgery procedures for Medicare patients than 75% of them and she also had a list price for anterior segment 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 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. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2012 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	17
doctor visit	233
eye procedures	4217
laser treatment	17
ultrasound (sonogram)	79

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2013 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	21
doctor visit	265
eye procedures	4503
laser treatment	21
ultrasound (sonogram)	88

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	611
Female	1020

**Ethnicity**
Non-Hispanic White	801
Black	748
Hispanic	23
Asian	39
Other	20
Native American	0

**Age**
From 65 to 74	787
From 75 to 84	571
85 and over	190
Less than 65	83

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	29
Depression	7
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	43
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2014 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	43
doctor visit	275
eye procedures	4506
laser treatment	43
ultrasound (sonogram)	86

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	580
Female	1039

**Ethnicity**
Non-Hispanic White	775
Black	780
Hispanic	18
Asian	28
Other	18
Native American	0

**Age**
From 65 to 74	779
From 75 to 84	570
85 and over	199
Less than 65	71

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2014

Hypertension	75
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	30
Depression	8
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	43
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2015 were eye procedures, ultrasound (sonogram), capsulotomy and laser treatment.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	38
doctor visit	433
eye procedures	4543
laser treatment	38
ultrasound (sonogram)	97

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	1228
Female	2152

**Ethnicity**
Non-Hispanic White	1508
Black	1684
Hispanic	58
Asian	70
Other	0
Native American	0

**Age**
From 65 to 74	1644
From 75 to 84	1166
85 and over	412
Less than 65	158

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	29
Depression	8
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	45
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2016 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	52
doctor visit	440
eye procedures	5293
lab tests	39
laser treatment	74
ultrasound (sonogram)	90

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	578
Female	1136

**Ethnicity**
Non-Hispanic White	693
Black	920
Hispanic	29
Asian	44
Other	28
Native American	0

**Age**
From 65 to 74	821
From 75 to 84	620
85 and over	202
Less than 65	71

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	28
Depression	8
Chronic Kidney Disease	31
Asthma	14
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	45
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2017 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	30
doctor visit	154
eye procedures	5104
lab tests	24
laser treatment	49
ultrasound (sonogram)	74

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	571
Female	1138

**Ethnicity**
Non-Hispanic White	698
Black	898
Hispanic	37
Asian	42
Other	34
Native American	0

**Age**
From 65 to 74	783
From 75 to 84	651
85 and over	207
Less than 65	68

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	27
Depression	9
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	43
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2018 were eye procedures, laser treatment, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	62
doctor visit	134
eye procedures	5431
laser treatment	102
ultrasound (sonogram)	95

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	577
Female	1175

**Ethnicity**
Non-Hispanic White	675
Black	981
Hispanic	34
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	800
From 75 to 84	689
85 and over	192
Less than 65	71

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2018

Hypertension	75
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	27
Depression	10
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	44
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2019 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	53
doctor visit	137
eye procedures	5873
laser treatment	97
ultrasound (sonogram)	97

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	602
Female	1242

**Ethnicity**
Non-Hispanic White	678
Black	1054
Hispanic	36
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	852
From 75 to 84	710
85 and over	207
Less than 65	75

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	26
Depression	11
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	44
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2020 were eye procedures, laser treatment, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	55
doctor visit	209
eye procedures	4631
laser treatment	115
ultrasound (sonogram)	110

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	507
Female	1048

**Ethnicity**
Non-Hispanic White	514
Black	942
Hispanic	37
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	715
From 75 to 84	596
85 and over	180
Less than 65	64

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	26
Depression	10
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	42
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2021 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	65
doctor visit	3012
eye procedures	3261
laser treatment	87
ultrasound (sonogram)	155

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	619
Female	1357

**Ethnicity**
Non-Hispanic White	609
Black	1231
Hispanic	46
Asian	0
Other	50
Native American	0

**Age**
From 65 to 74	928
From 75 to 84	743
85 and over	226
Less than 65	79

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	26
Depression	10
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	46
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD during 2022 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

capsulotomy	37
doctor visit	2940
eye procedures	3227
laser treatment	59
ultrasound (sonogram)	91

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	588
Female	1295

**Ethnicity**
Non-Hispanic White	598
Black	1154
Hispanic	44
Asian	46
Other	0
Native American	0

**Age**
From 65 to 74	824
From 75 to 84	784
85 and over	221
Less than 65	54

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	19
Depression	9
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	44
Dementia	5
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Cathy Darlene Shrader, MD for Medicare patients.

The highest averages for the top procedures that Dr. Cathy Darlene Shrader, MD treated as an ophthalmologist in Clinton, MD were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

capsulotomy	43
doctor visit	748
eye procedures	4599
lab tests	31
laser treatment	63
ultrasound (sonogram)	96

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Cathy Darlene Shrader, MD.

**Gender**
Male	587
Female	1145

**Ethnicity**
Black / African American	944
Asian / Pacific Islander	34
Non-Hispanic White	686
Native American / Alaskan Native	0
Hispanic	32
Other	13

**Age**
75 to 84	645
85 and over	203
Less than 65	72
65 to 74	812

Average of Total of Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Cathy Darlene Shrader, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	68
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	24
Depression	8
Chronic Kidney Disease	27
Asthma	7
Osteoporosis	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	39
Atrial Fibrillation	7
Dementia	6
Cancer	10

Education & Training

She has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

Dr. Cathy Darlene Shrader, MD does not have any reviews yet, be the first to leave a review of Dr. Cathy Darlene Shrader, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Allergan Inc.	$2,151 RESTASIS $1,262	COMBIGAN $406	LUMIGAN $306	LASTACAFT $8	BOTOX $4	Other $167
Alcon Laboratories Inc	$1,237 Cataract Equipment $210	ACTIVEFOCUS $207	Ilevro $178	Durezol $138	ORA $112	Other $390
Sun Pharmaceutical Industries Inc.	$540 CEQUA $236	Bromsite $215	XELPROS $89
Kala Pharmaceuticals, Inc.	$408 INVELTYS $288	EYSUVIS $120
Allergan, Inc.	$261 LUMIGAN $129	RESTASIS $74	RESTASIS MULTIDOSE $36	VUITY $23
Other	$1,582 XIIDRA $186	ZYLET $122	VYZULTA $108	PROLENSA $105	TYRVAYA $99	Other $962

**Types of Payments**
Food and Beverage	$6,103
Education	$75

Biography

Dr. Cathy Shrader specializes in legal medicine and ophthalmology (eye disease) and practices in Clinton, MD. Dr. Shrader has obtained a license to practice in Maryland.

Select Year:

Dr. Cathy Darlene Shrader, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Cathy Darlene Shrader, MD in 2023

By Volume:

By Affordability:

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. Cathy Darlene Shrader, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Cathy Darlene Shrader, 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. Cathy Darlene Shrader, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Clinton, MD