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Home > AZ Providers > Optometrists

Dr. John R. Markham, O D

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Specializes in: Optometry (Primary Eye Care)

Pacific University College of Optometry (1973)

1680 Willow Creek Road
Prescott, AZ 86301

(928) 778-3950

Dr. John R. Markham, O D is an optometrist in Prescott, AZ specializing in optometry (primary eye care). He graduated from Pacific University College of Optometry in 1973 and has 53 years of experience. Dr. John R. Markham, O D is affiliated with SOUTHWESTERN EYE CENTER LTD.

Office Locations

1680 Willow Creek Road
Prescott, AZ 86301

(928) 778-3950

(928) 778-3999

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2012 were eye procedures.

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	16
eye procedures	2070

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2013 were eye procedures and evoked potential test.

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	14
evoked potential test	58
eye procedures	2310

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	275
Female	422

**Ethnicity**
Non-Hispanic White	663
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	365
From 75 to 84	214
85 and over	92
Less than 65	26

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2013

Hypertension	60
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	12
Asthma	9
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	22
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2014 were eye procedures and evoked potential test.

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

evoked potential test	19
eye procedures	2368

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	309
Female	461

**Ethnicity**
Non-Hispanic White	733
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	424
From 75 to 84	230
85 and over	90
Less than 65	26

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2014

Hypertension	58
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2015 were eye procedures and evoked potential test.

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	21
evoked potential test	12
eye procedures	2598

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	696
Female	986

**Ethnicity**
Non-Hispanic White	1592
Black	0
Hispanic	46
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	886
From 75 to 84	566
85 and over	180
Less than 65	50

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2015

Hypertension	58
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	23
Depression	12
Chronic Kidney Disease	15
Asthma	10
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	21
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2016 were eye procedures.

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	22
eye procedures	2570

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	345
Female	533

**Ethnicity**
Non-Hispanic White	829
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	460
From 75 to 84	294
85 and over	102
Less than 65	22

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2016

Hypertension	58
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	20
Asthma	15
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	14
Diabetes	19
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2017 were eye procedures, ultrasound (sonogram) and evoked potential test.

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	69
evoked potential test	29
eye procedures	2461
ultrasound (sonogram)	74

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	319
Female	476

**Ethnicity**
Non-Hispanic White	749
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	408
From 75 to 84	281
85 and over	87
Less than 65	19

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2017

Hypertension	59
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2018 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	90
eye procedures	1674
ultrasound (sonogram)	25

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	244
Female	373

**Ethnicity**
Non-Hispanic White	577
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	210
85 and over	60
Less than 65	14

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2018

Hypertension	59
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	28
Depression	14
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2019 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	129
eye procedures	1134
ultrasound (sonogram)	40

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	193
Female	266

**Ethnicity**
Non-Hispanic White	435
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	251
From 75 to 84	164
85 and over	31
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2019

Hypertension	0
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	0
Depression	15
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	0
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2020 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	174
eye procedures	651
ultrasound (sonogram)	25

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	145
Female	203

**Ethnicity**
Non-Hispanic White	335
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	128
85 and over	32
Less than 65	13

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2020

Hypertension	64
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2021 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	483
eye procedures	623
ultrasound (sonogram)	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	171
Female	226

**Ethnicity**
Non-Hispanic White	380
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	164
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2021

Hypertension	59
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	27
Depression	14
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ during 2022 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

doctor visit	498
eye procedures	463
ultrasound (sonogram)	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	164
Female	209

**Ethnicity**
Non-Hispanic White	357
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	157
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2022

Hypertension	68
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	25
Depression	14
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	3
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John R. Markham, O D for Medicare patients.

The highest averages for the top procedures that Dr. John R. Markham, O D treated as an optometrist in Prescott, AZ were eye procedures, ultrasound (sonogram) and evoked potential test.

doctor visit	151
evoked potential test	29
eye procedures	1720
ultrasound (sonogram)	31

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John R. Markham, O D.

**Gender**
Male	260
Female	377

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	604
Hispanic	14
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	218
85 and over	61
Less than 65	15
65 to 74	333

Average of Total of Conditions of Medicare patients treated by Dr. John R. Markham, O D From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John R. Markham, O D treated were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	49
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	21
Depression	12
Chronic Kidney Disease	18
Asthma	8
Osteoporosis	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	18
Atrial Fibrillation	9
Cancer	8
Dementia	4

Education & Training

Dr. John R. Markham, O D graduated from Pacific University College of Optometry in 1973. He has a state license in Arizona.

Medical School: Pacific University College of Optometry (1973)

Licensed In: Arizona

Affiliations & Hospitals

Dr. John R. Markham, O D is associated with these hospitals and organizations:

SOUTHWESTERN EYE CENTER LTD

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John R. Markham, O D. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Alcon Laboratories Inc	$291 Contact Lenses $96	Simbrinza $63	ContactLenses $18	Pazeo $16	CataractEquipment $14	Other $83
OPTOVUE, INC.	$263 iFusion $179	OCT $84
Allergan Inc.	$218 OZURDEX $218
Alcon Vision LLC	$206 LenSx $150	PANOPTIX $57
Carl Zeiss Meditec, Inc.	$129 FORUM $74	Cirrus HD OCT High Definition Optical Coherence Tomographer $42	Combi $13
Other	$282 XIIDRA $125	FABRAZYME $54	MyDay Contact Lens $35	Rocklatan $25	TearLab Osmolarity System $22	Other $21

**Types of Payments**
Food and Beverage	$1,209
Entertainment	$179

Biography

Dr. John Markham specializes in optometry (primary eye care) and practices in Prescott, AZ. Dr. Markham has obtained a license to practice in Arizona.

Select Year:

Dr. John R. Markham, O D

Office Locations

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 R. Markham, O D in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Markham, O D 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 R. Markham, O D From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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