Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > IA Providers > Optometrists

Mrs. Lily Mark -Maasdam, OD

(No ratings)

Specializes in: Optometry (Primary Eye Care)

100 S 5th Street
Knoxville, IA 50138

(641) 842-3616

Mrs. Lily Mark -Maasdam, OD is an optometrist in Knoxville, IA specializing in optometry (primary eye care).

Office Locations

100 S 5th Street
Knoxville, IA 50138

(641) 842-3616

(641) 842-5453

open_in_new

Noteworthy Medicare Patient Procedures Performed by Mrs. Lily Mark -Maasdam, OD in 2023

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

Top 25%

By Volume:

comprehensive eye exam

In 2012, Mrs. Lily Mark -Maasdam, OD performed more comprehensive eye exam procedures for Medicare patients than 75% of providers in related specialties within Iowa.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2012 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

capsulotomy	19
doctor visit	559
eye procedures	172
laser treatment	19

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2013 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	605
eye procedures	152

2013 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	172
Female	329

**Age**
From 65 to 74	233
From 75 to 84	170
85 and over	69
Less than 65	29

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2013

Hypertension	63
High Cholesterol	42
Stroke	2
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	12
Asthma	3
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2014 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	235
eye procedures	567

2014 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	176
Female	349

**Age**
From 65 to 74	240
From 75 to 84	177
85 and over	85
Less than 65	23

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2014

Hypertension	62
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	12
Asthma	3
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2015 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	257
eye procedures	640

2015 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	352
Female	688

**Ethnicity**
Non-Hispanic White	1000
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	512
From 75 to 84	304
85 and over	176
Less than 65	48

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2015

Hypertension	60
High Cholesterol	44
Stroke	3
Ischemic Heart Disease	23
Depression	18
Chronic Kidney Disease	14
Asthma	4
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2016 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	245
eye procedures	647

2016 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	183
Female	341

**Ethnicity**
Non-Hispanic White	508
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	251
From 75 to 84	163
85 and over	88
Less than 65	22

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2016

Hypertension	61
High Cholesterol	48
Stroke	2
Ischemic Heart Disease	22
Depression	19
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2017 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	185
eye procedures	614

2017 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	180
Female	326

**Ethnicity**
Non-Hispanic White	490
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	161
85 and over	88
Less than 65	17

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2017

Hypertension	64
High Cholesterol	42
Stroke	2
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	19
Asthma	2
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2018 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

capsulotomy	12
doctor visit	194
eye procedures	624
laser treatment	12

2018 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	184
Female	329

**Ethnicity**
Non-Hispanic White	492
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	162
85 and over	78
Less than 65	16

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2018

Hypertension	65
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	18
Asthma	3
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2019 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	176
eye procedures	663

2019 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	197
Female	339

**Ethnicity**
Non-Hispanic White	515
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	270
From 75 to 84	169
85 and over	78
Less than 65	19

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2019

Hypertension	64
High Cholesterol	56
Stroke	2
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	21
Asthma	2
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2020 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	136
eye procedures	544

2020 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	160
Female	296

**Ethnicity**
Non-Hispanic White	442
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	136
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2020

Hypertension	59
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	19
Asthma	3
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2021 were eye procedures, capsulotomy and laser treatment.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

capsulotomy	16
doctor visit	154
eye procedures	652
laser treatment	16

2021 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	194
Female	330

**Ethnicity**
Non-Hispanic White	504
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	179
85 and over	67
Less than 65	12

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2021

Hypertension	60
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	22
Asthma	3
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA during 2022 were eye procedures.

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

doctor visit	177
eye procedures	676

2022 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	208
Female	366

**Ethnicity**
Non-Hispanic White	553
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	196
85 and over	71
Less than 65	12

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2022

Hypertension	69
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	17
Depression	16
Chronic Kidney Disease	16
Asthma	4
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Mrs. Lily Mark -Maasdam, OD for Medicare patients.

The highest averages for the top procedures that Mrs. Lily Mark -Maasdam, OD treated as an optometrist in Knoxville, IA were eye procedures, capsulotomy and laser treatment.

capsulotomy	15
doctor visit	265
eye procedures	541
laser treatment	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Mrs. Lily Mark -Maasdam, OD.

**Gender**
Male	182
Female	335

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	409
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	165
85 and over	72
Less than 65	18
65 to 74	255

Average of Total of Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Mrs. Lily Mark -Maasdam, OD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	57
High Cholesterol	45
Stroke	1
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	15
Asthma	3
Osteoporosis	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Atrial Fibrillation	8
Dementia	6
Cancer	7

Education & Training

She has a state license in Iowa.

Licensed In: Iowa

Ratings & Reviews

Mrs. Lily Mark -Maasdam, OD does not have any reviews yet, be the first to leave a review of Mrs. Lily Mark -Maasdam, OD here: Leave a Review

(No ratings)

Leave a Review

General Payments

These charts describe general payments received by Mrs. Lily Mark -Maasdam, OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Johnson & Johnson Vision Care, Inc.	$1,002 Soft contact lenses $946	Acuvue $57
Shire North American Group Inc	$78 XIIDRA $78
Allergan Inc.	$70 RESTASIS $23	LUMIGAN $11	$37
Novartis Pharmaceuticals Corporation	$37 XIIDRA $37
Alcon Vision LLC	$35 AcrySof $35
Other	$43 AIR OPTIX $16	TYRVAYA $14	LOTEMAX SM $13

**Types of Payments**
Food and Beverage	$645
Travel and Lodging	$576
Education	$45

Biography

Dr. Lily Mark-Maasdam is an optometry (primary eye care) specialist in Knoxville, IA. Dr. Mark-Maasdam has obtained a license to practice in Iowa.

Select Year:

Mrs. Lily Mark -Maasdam, OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Mrs. Lily Mark -Maasdam, OD in 2023

By Volume:

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 Mrs. Lily Mark -Maasdam, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Mrs. Lily Mark -Maasdam, OD 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 Mrs. Lily Mark -Maasdam, OD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Optometrists in Nearby Locations

Other Providers in Knoxville, IA