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Home > NC Providers > Optometrists

Dr. John Michael Assell, OD

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Specializes in: Optometry (Primary Eye Care)

7547 Waterside Loop Road Suite A
Denver, NC 28037

(701) 822-9920

Dr. John Michael Assell, OD is an optometrist in Denver, NC specializing in optometry (primary eye care).

Office Locations

7547 Waterside Loop Road Suite A
Denver, NC 28037

(701) 822-9920

(704) 822-1764

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Noteworthy Medicare Patient Procedures Performed by Dr. John Michael Assell, OD in 2023

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

Top 10%

By Affordability:

visual field test

In 2023, Dr. John Michael Assell, OD had a list price for visual field test that was lower than the list prices billed to Medicare by 90% of providers in related specialties within North Carolina. 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

By Affordability:

comprehensive eye exam

eye tests

fundus photography

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2012, among providers in related specialties within North Carolina, Dr. John Michael Assell, OD performed more comprehensive eye exam procedures for Medicare patients than 75% of them and he also had a list price for comprehensive eye exam, eye tests, fundus photography, 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. John Michael Assell, OD treated as an optometrist in Denver, NC during 2012 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	151
eye procedures	4937

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2013 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	133
eye procedures	3942

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	122
Female	170

**Ethnicity**
Non-Hispanic White	281
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	74
85 and over	17
Less than 65	18

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2013

Hypertension	59
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	11
Asthma	0
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2014 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	150
eye procedures	3315

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	129
Female	159

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	75
85 and over	20
Less than 65	14

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2014

Hypertension	64
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2015 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	163
eye procedures	4414

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	284
Female	380

**Ethnicity**
Non-Hispanic White	620
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	212
85 and over	50
Less than 65	22

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2015

Hypertension	65
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	27
Depression	14
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	32
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2016 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	124
eye procedures	5333
ultrasound (sonogram)	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	151
Female	200

**Ethnicity**
Non-Hispanic White	322
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	209
From 75 to 84	103
85 and over	27
Less than 65	12

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2016

Hypertension	64
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2017 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	361
eye procedures	2252

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	136
Female	170

**Ethnicity**
Non-Hispanic White	285
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	99
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2017

Hypertension	65
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	21
Asthma	4
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2018 were eye procedures and lab tests.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	431
eye procedures	1636
lab tests	56

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	165
Female	191

**Ethnicity**
Non-Hispanic White	325
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	115
85 and over	25
Less than 65	13

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2018

Hypertension	68
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	18
Asthma	5
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2019 were eye procedures and lab tests.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	174
eye procedures	1680
lab tests	29

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	184
Female	224

**Ethnicity**
Non-Hispanic White	370
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	237
From 75 to 84	132
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2019

Hypertension	64
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	25
Depression	14
Chronic Kidney Disease	21
Asthma	4
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2020 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	158
eye procedures	385

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	170
Female	182

**Ethnicity**
Non-Hispanic White	325
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	131
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2020

Hypertension	60
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	24
Asthma	3
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2021 were eye procedures and lab tests.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	166
eye procedures	547
lab tests	52

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	198
Female	215

**Ethnicity**
Non-Hispanic White	379
Black	0
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	148
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2021

Hypertension	59
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	24
Depression	15
Chronic Kidney Disease	24
Asthma	4
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC during 2022 were eye procedures.

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

doctor visit	141
eye procedures	555

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	196
Female	215

**Ethnicity**
Non-Hispanic White	386
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	147
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2022

Hypertension	69
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	18
Asthma	5
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	3
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Michael Assell, OD for Medicare patients.

The highest averages for the top procedures that Dr. John Michael Assell, OD treated as an optometrist in Denver, NC were eye procedures, lab tests and ultrasound (sonogram).

doctor visit	195
eye procedures	2636
lab tests	45
ultrasound (sonogram)	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Michael Assell, OD.

**Gender**
Male	157
Female	191

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	323
Hispanic	0
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	112
85 and over	12
Less than 65	7
65 to 74	203

Average of Total of Conditions of Medicare patients treated by Dr. John Michael Assell, OD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Michael Assell, OD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	57
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	21
Depression	13
Chronic Kidney Disease	17
Asthma	3
Osteoporosis	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Atrial Fibrillation	9
Cancer	8
Dementia	4

Education & Training

He has a state license in North Carolina.

Licensed In: North Carolina

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John Michael Assell, OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Coopervision Inc.	$1,452 Clariti Contact Lens $702	MyDay Contact Lens $532	CVI Contact Lens $195	MiSight Contact Lens $22
Alcon Vision LLC	$1,002 DAILIES $673	TOTAL30 $112	PANOPTIX $109	AIR OPTIX $63	Precision 1 $24	Other $22
Alcon Laboratories Inc	$346 DAILIES $194	Contact Lenses $126	Pazeo $2	$24
Shire North American Group Inc	$326 XIIDRA $326
Valeant Pharmaceuticals North America LLC	$202 ULTRA $184	BESIVANCE $18
Other	$637 Healon Viscoelastics $132	P200TxE $106	Acuvue $74	ULTRA $70	RESTASIS $38	Other $217

**Types of Payments**
Food and Beverage	$2,427
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$646
Travel and Lodging	$561
Education	$226
Entertainment	$106

Biography

Dr. John Assell works as an optometry (primary eye care) specialist in Denver, NC. Dr. Assell has obtained a license to practice in North Carolina.

Select Year:

Dr. John Michael Assell, OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Michael Assell, OD in 2023

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. John Michael Assell, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Michael Assell, 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 Dr. John Michael Assell, OD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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