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Dr. Dennis Whittier Hartman, OD

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Specializes in: Optometry (Primary Eye Care)

Pacific University College of Optometry (1989)

580 Collins Drive
Merced, CA 95348

(209) 383-0989

Dr. Dennis Whittier Hartman, OD is an optometrist in Merced, CA specializing in optometry (primary eye care). He graduated from Pacific University College of Optometry in 1989 and has 36 years of experience. Dr. Dennis Whittier Hartman, OD is affiliated with Complete Eye Care and KENNETH R GROSSMAN MD INC.

Office Locations

580 Collins Drive
Merced, CA 95348

(209) 383-0989

(209) 383-6836

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Noteworthy Medicare Patient Procedures Performed by Dr. Dennis Whittier Hartman, OD in 2023

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

Top 10%

By Affordability:

eye tests

fundus photography

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2023, Dr. Dennis Whittier Hartman, OD had a list price for 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 90% of providers in related specialties within California. 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:

eye procedures

In 2013, Dr. Dennis Whittier Hartman, OD performed more eye procedures procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2013 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	475
eye procedures	797

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	114
Female	203

**Ethnicity**
Non-Hispanic White	220
Black	0
Hispanic	65
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	105
85 and over	42
Less than 65	36

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2013

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2013 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	38
Depression	13
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	40
Dementia	12
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2014 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	449
eye procedures	480

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	118
Female	206

**Ethnicity**
Non-Hispanic White	236
Black	0
Hispanic	52
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	105
85 and over	44
Less than 65	34

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2014

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	67
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	37
Depression	17
Chronic Kidney Disease	23
Asthma	6
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	9
Diabetes	40
Dementia	10
Cancer	5

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2015 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	500
eye procedures	676

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	250
Female	420

**Ethnicity**
Non-Hispanic White	500
Black	0
Hispanic	112
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	208
85 and over	80
Less than 65	80

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2015

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2015 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	37
Depression	16
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	8
Cancer	6

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2016 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	534
eye procedures	772

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	150
Female	229

**Ethnicity**
Non-Hispanic White	269
Black	0
Hispanic	73
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	115
85 and over	52
Less than 65	42

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2016

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2016 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	70
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	36
Depression	13
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	11
Diabetes	40
Dementia	9
Cancer	5

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2017 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	483
eye procedures	802

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	137
Female	218

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	79
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	111
85 and over	40
Less than 65	38

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2017

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2017 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	70
High Cholesterol	50
Stroke	3
Ischemic Heart Disease	35
Depression	16
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	38
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2018 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	509
eye procedures	719

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	140
Female	224

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	59
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	119
85 and over	47
Less than 65	41

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2018

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2018 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	67
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2019 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	604
eye procedures	877

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	159
Female	292

**Ethnicity**
Non-Hispanic White	308
Black	0
Hispanic	95
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	223
From 75 to 84	141
85 and over	43
Less than 65	44

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2019

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2019 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	69
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	37
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2020 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	556
eye procedures	745

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	154
Female	246

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	81
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	124
85 and over	53
Less than 65	41

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2020

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2020 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	64
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	9
Cancer	6

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2021 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	528
eye procedures	754

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	152
Female	255

**Ethnicity**
Non-Hispanic White	281
Black	0
Hispanic	87
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	145
85 and over	46
Less than 65	39

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2021

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2021 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	37
Dementia	8
Cancer	6

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2022 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	433
eye procedures	621

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	127
Female	209

**Ethnicity**
Non-Hispanic White	253
Black	0
Hispanic	53
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	110
85 and over	41
Less than 65	15

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2022

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA during 2023 were eye procedures.

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

doctor visit	67
eye procedures	496

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	147
Female	190

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	157
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	100
85 and over	53
Less than 65	30

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2023

The most common conditions of Medicare patients that Dr. Dennis Whittier Hartman, OD treated during 2023 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	50
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Dennis Whittier Hartman, OD for Medicare patients.

The highest averages for the top procedures that Dr. Dennis Whittier Hartman, OD treated as an optometrist in Merced, CA were eye procedures.

doctor visit	467
eye procedures	703

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Dennis Whittier Hartman, OD.

**Gender**
Male	149
Female	244

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	19
Non-Hispanic White	249
Native American / Alaskan Native	0
Hispanic	83
Other	0

**Age**
75 to 84	125
85 and over	49
Less than 65	40
65 to 74	179

Average of Total of Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD From 2013 - 2023

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

Hypertension	69
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	26
Asthma	8
Osteoporosis	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	39
Atrial Fibrillation	11
Cancer	7
Dementia	8

Education & Training

Dr. Dennis Whittier Hartman, OD graduated from Pacific University College of Optometry in 1989. He has a state license in California.

Medical School: Pacific University College of Optometry (1989)

Licensed In: California

Affiliations & Hospitals

Dr. Dennis Whittier Hartman, OD is associated with these hospitals and organizations:

Complete Eye Care

KENNETH R GROSSMAN MD INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie Inc.	$169 DURYSTA $106	LUMIGAN $44	VUITY $18
Alcon Vision LLC	$70 Hydrus Microstent $48	Rocklatan $21
Johnson & Johnson Vision Care, Inc.	$63 Acuvue $63
Dompe US, Inc.	$36 Oxervate $36
Shire North American Group Inc	$33 XIIDRA $33
Other	$90 VYZULTA $22	KXL system (not refurbished) $21	XDEMVY $20	TEPEZZA $15	PROLENSA $12

**Types of Payments**
Food and Beverage	$462

Biography

Dr. Dennis Hartman specializes in optometry (primary eye care) and practices in Merced, CA. Dr. Hartman has obtained a license to practice in California.

Select Year:

Dr. Dennis Whittier Hartman, OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Dennis Whittier Hartman, OD in 2023

By Affordability:

By Volume:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Dennis Whittier Hartman, OD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Optometrists in Nearby Locations

Other Providers in Merced, CA