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Dr. Ross M. Ondersma, MD

(Dr. Ross Michael Ondersma, MD)

(No ratings)

Specializes in: Nuclear Medicine and Diagnostic Radiology

Wayne State University School of Medicine

12040 Ne 128th Street
Kirkland, WA 98034

(425) 899-2831

Dr. Ross M. Ondersma, MD is a nuclear medicine specialist in Kirkland, WA specializing in nuclear medicine and diagnostic radiology. He graduated from Wayne State University School of Medicine. Dr. Ross M. Ondersma, MD is affiliated with Radia, Evergreen Health and Overlake Medical Center & Clinics.

Office Locations

12040 Ne 128th Street
Kirkland, WA 98034

(425) 899-2831

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Evergreen Health

19020 33rd Avenue West Suite 210
Lynnwood, WA 98036

(425) 563-1500

(425) 563-1501

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203 S Western Avenue
Tonasket, WA 98855

(509) 486-2151

(509) 223-1640

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939 Caroline Street
Port Angeles, WA 98362

(360) 417-7735

(360) 565-9074

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Noteworthy Medicare Patient Procedures Performed by Dr. Ross M. Ondersma, MD in 2024

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

Top 5%

By Volume:

bone scan

joint scan

nuclear scan

In 2024, Dr. Ross M. Ondersma, MD performed more bone scan, joint scan, and nuclear scan procedures for Medicare patients than 95% of providers in related specialties within Washington.

Top 25%

By Volume:

gastric emptying study

myocardial perfusion SPECT

In 2012, Dr. Ross M. Ondersma, MD performed more gastric emptying study, and myocardial perfusion SPECT procedures for Medicare patients than 75% of providers in related specialties within Washington.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2012 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	127
brain imaging (neuroimaging)	74
breast procedures	667
CT scan	182
diagnostic imaging	109
diagnostic procedures	21
hip imaging	50
image guided procedures	21
minimally invasive procedures	21
minor procedures	21
MRI (magnetic resonance imaging)	40
musculoskeletal imaging	233
neck imaging	16
pelvic imaging	130
preventive care	485
spinal procedures	53
thoracic (chest) imaging	410
ultrasound (sonogram)	174
vascular procedures	28
women's imaging	659
X-rays	1260

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2013 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	495
brain imaging (neuroimaging)	277
breast procedures	2701
CT scan	633
diagnostic imaging	438
diagnostic procedures	82
excision	38
hip imaging	175
image guided procedures	94
minimally invasive procedures	94
minor procedures	82
MRI (magnetic resonance imaging)	240
musculoskeletal imaging	1022
neck imaging	37
nuclear scan	46
open surgery	38
pelvic imaging	407
preventive care	1950
spinal procedures	302
thoracic (chest) imaging	1442
ultrasound (sonogram)	688
vascular procedures	191
women's imaging	2646
X-rays	4955

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1312
Female	3823

**Ethnicity**
Non-Hispanic White	4870
Black	17
Hispanic	52
Asian	56
Other	50
Native American	90

**Age**
From 65 to 74	2323
From 75 to 84	1615
85 and over	765
Less than 65	432

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2013

Hypertension	55
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2014 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	510
brain imaging (neuroimaging)	268
breast procedures	2534
CT scan	766
diagnostic imaging	351
diagnostic procedures	71
gastrointestinal procedures	12
hip imaging	175
image guided procedures	71
minimally invasive procedures	71
minor procedures	71
MRI (magnetic resonance imaging)	167
musculoskeletal imaging	1054
neck imaging	41
nuclear scan	72
pelvic imaging	454
preventive care	1916
spinal procedures	304
thoracic (chest) imaging	1234
ultrasound (sonogram)	618
vascular procedures	168
women's imaging	2496
X-rays	4650

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1393
Female	3938

**Ethnicity**
Non-Hispanic White	5044
Black	20
Hispanic	72
Asian	58
Other	54
Native American	83

**Age**
From 65 to 74	2475
From 75 to 84	1652
85 and over	731
Less than 65	473

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2014

Hypertension	58
High Cholesterol	46
Stroke	6
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2015 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	754
brain imaging (neuroimaging)	269
breast procedures	1495
cardiac procedures	24
CT scan	1040
diagnostic imaging	224
diagnostic procedures	48
gastrointestinal procedures	39
hip imaging	229
image guided procedures	48
minimally invasive procedures	48
minor procedures	48
MRI (magnetic resonance imaging)	122
musculoskeletal imaging	949
neck imaging	87
nuclear scan	137
pelvic imaging	640
preventive care	987
spinal procedures	342
stress testing	24
thoracic (chest) imaging	1719
ultrasound (sonogram)	797
vascular procedures	160
women's imaging	1501
X-rays	3960

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	3540
Female	6976

**Ethnicity**
Non-Hispanic White	9790
Black	76
Hispanic	142
Asian	208
Other	140
Native American	160

**Age**
From 65 to 74	4696
From 75 to 84	3146
85 and over	1666
Less than 65	1008

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2015

Hypertension	61
High Cholesterol	46
Stroke	7
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2016 were X-rays, thoracic (chest) imaging, CT scan and nuclear scan.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	405
brain imaging (neuroimaging)	108
cardiac procedures	93
CT scan	591
diagnostic imaging	34
endocrine imaging	16
gastrointestinal procedures	34
lymph node procedures	21
MRI (magnetic resonance imaging)	13
musculoskeletal imaging	366
neck imaging	26
nuclear scan	487
pelvic imaging	250
spinal procedures	153
stress testing	93
thoracic (chest) imaging	1009
thyroid function tests	16
ultrasound (sonogram)	175
vascular procedures	42
X-rays	1052

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1470
Female	1766

**Ethnicity**
Non-Hispanic White	2846
Black	77
Hispanic	71
Asian	158
Other	58
Native American	26

**Age**
From 65 to 74	1219
From 75 to 84	1072
85 and over	584
Less than 65	361

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2016

Hypertension	70
High Cholesterol	51
Stroke	9
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	41
Asthma	27
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Dementia	16
Cancer	26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2017 were thoracic (chest) imaging, X-rays, nuclear scan and CT scan.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	362
brain imaging (neuroimaging)	62
cardiac procedures	95
CT scan	538
diagnostic imaging	46
endocrine imaging	15
gastrointestinal procedures	46
lymph node procedures	30
musculoskeletal imaging	505
neck imaging	26
nuclear scan	651
pelvic imaging	227
spinal procedures	65
stress testing	95
thoracic (chest) imaging	882
thyroid function tests	15
ultrasound (sonogram)	116
vascular procedures	17
X-rays	784

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1454
Female	1843

**Ethnicity**
Non-Hispanic White	2908
Black	53
Hispanic	79
Asian	154
Other	73
Native American	30

**Age**
From 65 to 74	1260
From 75 to 84	1137
85 and over	552
Less than 65	348

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2017

Hypertension	70
High Cholesterol	47
Stroke	8
Ischemic Heart Disease	36
Depression	27
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	15
Cancer	30

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2018 were nuclear scan, musculoskeletal imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	342
brain imaging (neuroimaging)	73
cardiac procedures	171
CT scan	500
diagnostic imaging	88
endocrine imaging	21
gastrointestinal procedures	88
lymph node procedures	36
musculoskeletal imaging	625
neck imaging	47
nuclear scan	898
pelvic imaging	188
spinal procedures	53
stress testing	171
thoracic (chest) imaging	202
thyroid function tests	21
ultrasound (sonogram)	136
vascular procedures	23
X-rays	59

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1537
Female	1990

**Ethnicity**
Non-Hispanic White	3119
Black	70
Hispanic	81
Asian	142
Other	82
Native American	33

**Age**
From 65 to 74	1406
From 75 to 84	1238
85 and over	542
Less than 65	341

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2018

Hypertension	70
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	14
Cancer	29

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2019 were nuclear scan, musculoskeletal imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	293
brain imaging (neuroimaging)	46
cardiac procedures	196
CT scan	432
diagnostic imaging	96
endocrine imaging	31
gastrointestinal procedures	96
lymph node procedures	44
musculoskeletal imaging	585
neck imaging	19
nuclear scan	939
pelvic imaging	201
spinal procedures	46
stress testing	196
thoracic (chest) imaging	187
thyroid function tests	31
ultrasound (sonogram)	72
vascular procedures	40
X-rays	61

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1515
Female	1893

**Ethnicity**
Non-Hispanic White	3048
Black	51
Hispanic	85
Asian	125
Other	71
Native American	28

**Age**
From 65 to 74	1415
From 75 to 84	1156
85 and over	505
Less than 65	332

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2019

Hypertension	69
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	13
Cancer	32

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2020 were nuclear scan, musculoskeletal imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	173
brain imaging (neuroimaging)	66
cardiac procedures	164
CT scan	317
diagnostic imaging	51
endocrine imaging	16
gastrointestinal procedures	51
lymph node procedures	38
musculoskeletal imaging	352
neck imaging	15
nuclear scan	621
pelvic imaging	137
spinal procedures	36
stress testing	164
thoracic (chest) imaging	104
thyroid function tests	16
ultrasound (sonogram)	28
vascular procedures	13
X-rays	26

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1276
Female	1415

**Ethnicity**
Non-Hispanic White	2375
Black	58
Hispanic	59
Asian	91
Other	86
Native American	22

**Age**
From 65 to 74	1109
From 75 to 84	932
85 and over	406
Less than 65	244

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2020

Hypertension	68
High Cholesterol	52
Stroke	7
Ischemic Heart Disease	40
Depression	28
Chronic Kidney Disease	43
Asthma	8
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	14
Cancer	36

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2021 were nuclear scan, CT scan, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	292
brain imaging (neuroimaging)	73
cardiac procedures	172
CT scan	505
diagnostic imaging	42
endocrine imaging	21
gastrointestinal procedures	42
lymph node procedures	40
musculoskeletal imaging	424
nuclear scan	700
pelvic imaging	236
spinal procedures	31
stress testing	172
thoracic (chest) imaging	177
thyroid function tests	21
ultrasound (sonogram)	37
vascular procedures	11
X-rays	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1459
Female	1597

**Ethnicity**
Non-Hispanic White	2726
Black	56
Hispanic	68
Asian	95
Other	81
Native American	30

**Age**
From 65 to 74	1234
From 75 to 84	1097
85 and over	457
Less than 65	268

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2021

Hypertension	67
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	42
Depression	28
Chronic Kidney Disease	45
Asthma	9
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	14
Cancer	33

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2022 were nuclear scan, CT scan, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	252
brain imaging (neuroimaging)	61
cardiac procedures	169
CT scan	510
diagnostic imaging	54
endocrine imaging	15
gastrointestinal procedures	54
lymph node procedures	30
musculoskeletal imaging	365
nuclear scan	633
pelvic imaging	219
spinal procedures	40
stress testing	169
thoracic (chest) imaging	223
thyroid function tests	15
ultrasound (sonogram)	12
vascular procedures	12
X-rays	33

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1411
Female	1513

**Ethnicity**
Non-Hispanic White	2596
Black	48
Hispanic	78
Asian	93
Other	86
Native American	23

**Age**
From 65 to 74	1140
From 75 to 84	1117
85 and over	479
Less than 65	188

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	10
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	16
Atrial Fibrilation	26
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	28
Dementia	11
Cancer	40

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2023 were nuclear scan, CT scan, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	239
brain imaging (neuroimaging)	34
cardiac procedures	56
CT scan	388
diagnostic imaging	61
endocrine imaging	20
gastrointestinal procedures	61
lymph node procedures	48
musculoskeletal imaging	356
nuclear scan	558
pelvic imaging	148
spinal procedures	20
stress testing	56
thoracic (chest) imaging	186
thyroid function tests	20
ultrasound (sonogram)	62
vascular procedures	32

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1329
Female	1573

**Ethnicity**
Non-Hispanic White	2555
Black	56
Hispanic	66
Asian	90
Other	109
Native American	26

**Age**
From 65 to 74	1129
From 75 to 84	1124
85 and over	458
Less than 65	191

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2023

Hypertension	74
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	31
Depression	26
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	18
Atrial Fibrilation	24
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	26
Dementia	10
Cancer	44

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA during 2024 were nuclear scan, CT scan, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

abdominal imaging	176
brain imaging (neuroimaging)	52
cardiac procedures	44
CT scan	310
diagnostic imaging	40
gastrointestinal procedures	40
lymph node procedures	15
musculoskeletal imaging	226
nuclear scan	325
pelvic imaging	136
spinal procedures	19
stress testing	44
thoracic (chest) imaging	103

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1103
Female	1222

**Ethnicity**
Non-Hispanic White	2010
Black	50
Hispanic	71
Asian	89
Other	88
Native American	17

**Age**
From 65 to 74	913
From 75 to 84	883
85 and over	390
Less than 65	139

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2024

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	17
Atrial Fibrilation	26
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	11
Cancer	43

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Ross M. Ondersma, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ross M. Ondersma, MD treated as a nuclear medicine specialist in Kirkland, WA were breast procedures, women's imaging, X-rays and preventive care.

abdominal imaging	340
brain imaging (neuroimaging)	112
breast procedures	1849
cardiac procedures	118
CT scan	516
diagnostic imaging	125
diagnostic procedures	55
endocrine imaging	19
excision	38
gastrointestinal procedures	51
hip imaging	157
image guided procedures	58
lymph node procedures	33
minimally invasive procedures	58
minor procedures	55
MRI (magnetic resonance imaging)	116
musculoskeletal imaging	543
neck imaging	34
nuclear scan	505
open surgery	38
pelvic imaging	259
preventive care	1334
spinal procedures	112
stress testing	118
thoracic (chest) imaging	606
thyroid function tests	19
ultrasound (sonogram)	242
vascular procedures	61
women's imaging	1825
X-rays	1533

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Ross M. Ondersma, MD.

**Gender**
Male	1446
Female	2273

**Ethnicity**
Black / African American	48
Asian / Pacific Islander	104
Non-Hispanic White	3375
Native American / Alaskan Native	43
Hispanic	71
Other	75

**Age**
75 to 84	1243
85 and over	579
Less than 65	332
65 to 74	1563

Average of Total of Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Ross M. Ondersma, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	62
High Cholesterol	50
Stroke	7
Ischemic Heart Disease	30
Depression	24
Chronic Kidney Disease	31
Asthma	10
Osteoporosis	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	25
Atrial Fibrillation	17
Dementia	11
Cancer	27

Education & Training

Dr. Ross M. Ondersma, MD graduated from Wayne State University School of Medicine. He completed residency at Indiana University Affiliated Hospitals. He has a state license in Indiana.

Medical School: Wayne State University School of Medicine

Residency: Indiana University Affiliated Hospitals (2011)

Licensed In: Indiana

Affiliations & Hospitals

Dr. Ross M. Ondersma, MD is associated with these hospitals and organizations:

Radia

Evergreen Health

Overlake Medical Center & Clinics

Ratings & Reviews

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General Payments

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

**Payments by Company**
Lilly USA, LLC	$230 AMYVID $230
HOLOGIC INC	$116 tomosynthesis $116
GENZYME CORPORATION	$114 DISEASE STATE $114
Astellas Pharma US Inc	$69 Lexiscan $69
GE Healthcare	$19 $19

**Types of Payments**
Food and Beverage	$547

Biography

Dr. Ross Ondersma sees patients in Port Angeles, WA, Lynnwood, WA, and Tonasket, WA. His medical specialties are nuclear medicine and diagnostic radiology. His professional affiliations include Radia, Overlake Medical Center & Clinics, and Evergreen Health. Dr. Ondersma's education and training includes medical school at Wayne State University School of Medicine and residency at a hospital affiliated with Indiana University.

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Dr. Ross M. Ondersma, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Ross M. Ondersma, MD in 2024

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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 Dr. Ross M. Ondersma, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Ross M. Ondersma, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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