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Home > ME Providers > Diagnostic Radiologists

Dr. Joseph P. Gerding, MD

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Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

University of Illinois College of Medicine at Chicago (2000)

324 Gannett Drive Suite 200
South Portland, ME 04106

(207) 482-7800

Dr. Joseph P. Gerding, MD is a radiologist in Portland, ME specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from University of Illinois College of Medicine at Chicago in 2000 and has 26 years of experience. Dr. Joseph P. Gerding, MD is affiliated with MaineHealth, MaineHealth Lincoln Hospital, MaineHealth Memorial Hospital, MaineHealth Maine Medical Center and MaineHealth Accountable Care Organization.

Office Locations

22 Bramhall Street
Portland, ME 04102

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MaineHealth Accountable Care Organization

3073 White Mountain Highway
North Conway, NH 03860

(603) 356-5461

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MaineHealth Accountable Care Organization

324 Gannett Drive Suite 200
South Portland, ME 04106

(207) 482-7800

(207) 482-7898

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Noteworthy Medicare Patient Procedures Performed by Dr. Joseph P. Gerding, MD in 2023

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

Top 5%

By Affordability:

arterial ultrasound

central DEXA

limited abdominal ultrasound

lower extremity arterial duplex

spine imaging

In 2023, Dr. Joseph P. Gerding, MD had a list price for arterial ultrasound, central DEXA, limited abdominal ultrasound, lower extremity arterial duplex, and spine imaging that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Maine. 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 Affordability:

arterial duplex ultrasound

chest CT scan

lower extremity arterial ultrasound

spine X-ray

X-rays

In 2012, Dr. Joseph P. Gerding, MD had a list price for arterial duplex ultrasound, chest CT scan, lower extremity (leg) arterial ultrasound, spine X-ray, and X-rays that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Maine. 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. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2012 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	263
angioplasty	14
breast procedures	69
catheterization	21
CT scan	218
dialysis access procedures	11
doctor visit	13
hip imaging	57
minimally invasive procedures	21
musculoskeletal imaging	57
neck imaging	16
pelvic imaging	219
preventive care	69
spinal procedures	24
thoracic (chest) imaging	517
ultrasound (sonogram)	381
vascular procedures	309
women's imaging	89
X-rays	660

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2013 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	229
breast procedures	53
catheterization	11
CT scan	259
dialysis access procedures	11
hip imaging	27
hospital care	22
inpatient care	22
musculoskeletal imaging	96
neck imaging	25
pelvic imaging	183
preventive care	53
spinal procedures	42
thoracic (chest) imaging	420
ultrasound (sonogram)	347
vascular procedures	284
women's imaging	67
X-rays	520

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	614
Female	862

**Ethnicity**
Non-Hispanic White	1436
Black	11
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	491
From 75 to 84	431
85 and over	196
Less than 65	358

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2013

Hypertension	74
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	38
Depression	39
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	30
Diabetes	36
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2014 were ultrasound (sonogram), thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	253
breast procedures	16
catheterization	15
CT scan	288
hip imaging	14
musculoskeletal imaging	35
neck imaging	20
pelvic imaging	187
preventive care	16
spinal procedures	15
thoracic (chest) imaging	298
ultrasound (sonogram)	340
vascular procedures	201
women's imaging	44
X-rays	218

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	499
Female	675

**Ethnicity**
Non-Hispanic White	1148
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	391
From 75 to 84	345
85 and over	176
Less than 65	262

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2014

Hypertension	70
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2015 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	170
breast procedures	50
CT scan	185
doctor visit	15
hip imaging	13
musculoskeletal imaging	63
neck imaging	21
pelvic imaging	101
preventive care	50
thoracic (chest) imaging	355
ultrasound (sonogram)	285
vascular procedures	219
women's imaging	50
X-rays	373

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	1114
Female	1416

**Ethnicity**
Non-Hispanic White	2440
Black	0
Hispanic	0
Asian	22
Other	38
Native American	0

**Age**
From 65 to 74	890
From 75 to 84	668
85 and over	410
Less than 65	562

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2015

Hypertension	69
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	36
Depression	38
Chronic Kidney Disease	37
Asthma	20
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	28
Chronic Obstructive Pulmonary Disease	28
Diabetes	33
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2016 were thoracic (chest) imaging, X-rays, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	128
aspiration	11
breast procedures	20
CT scan	170
doctor visit	38
musculoskeletal imaging	36
neck imaging	17
pelvic imaging	83
preventive care	20
spinal procedures	15
thoracic (chest) imaging	301
ultrasound (sonogram)	242
vascular procedures	223
women's imaging	20
X-rays	285

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	486
Female	636

**Ethnicity**
Non-Hispanic White	1076
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	375
From 75 to 84	329
85 and over	146
Less than 65	272

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2016

Hypertension	72
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	38
Depression	41
Chronic Kidney Disease	41
Asthma	34
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	29
Diabetes	34
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2017 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	102
aspiration	18
breast procedures	60
CT scan	157
doctor visit	16
hospital care	16
inpatient care	16
musculoskeletal imaging	35
neck imaging	14
pelvic imaging	70
preventive care	60
thoracic (chest) imaging	297
ultrasound (sonogram)	230
vascular procedures	229
women's imaging	60
X-rays	320

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	487
Female	670

**Ethnicity**
Non-Hispanic White	1104
Black	0
Hispanic	0
Asian	14
Other	22
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	350
85 and over	151
Less than 65	268

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2017

Hypertension	73
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	40
Depression	41
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	31
Diabetes	34
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2018 were vascular procedures, ultrasound (sonogram), CT scan and abdominal imaging.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	50
breast procedures	11
CT scan	73
doctor visit	44
hospital care	16
inpatient care	16
musculoskeletal imaging	17
pelvic imaging	34
preventive care	11
thoracic (chest) imaging	39
ultrasound (sonogram)	208
vascular procedures	233
women's imaging	11
X-rays	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	453
Female	552

**Ethnicity**
Non-Hispanic White	975
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	273
85 and over	146
Less than 65	255

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2018

Hypertension	70
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	37
Depression	41
Chronic Kidney Disease	42
Asthma	8
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	29
Diabetes	33
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2019 were ultrasound (sonogram), vascular procedures, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	50
CT scan	63
doctor visit	25
musculoskeletal imaging	11
pelvic imaging	32
spinal procedures	13
thoracic (chest) imaging	31
ultrasound (sonogram)	99
vascular procedures	96
X-rays	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	332
Female	416

**Ethnicity**
Non-Hispanic White	721
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	197
85 and over	104
Less than 65	156

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2019

Hypertension	75
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	39
Depression	43
Chronic Kidney Disease	46
Asthma	12
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	28
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2020 were ultrasound (sonogram), CT scan, abdominal imaging and vascular procedures.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	62
CT scan	66
pelvic imaging	34
spinal procedures	12
thoracic (chest) imaging	32
ultrasound (sonogram)	79
vascular procedures	51
X-rays	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	325
Female	326

**Ethnicity**
Non-Hispanic White	609
Black	0
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	202
85 and over	106
Less than 65	117

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2020

Hypertension	73
High Cholesterol	63
Stroke	9
Ischemic Heart Disease	46
Depression	38
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	33
Chronic Obstructive Pulmonary Disease	28
Diabetes	31
Dementia	17
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2021 were CT scan, abdominal imaging, pelvic imaging and X-rays.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	90
CT scan	110
musculoskeletal imaging	43
pelvic imaging	61
spinal procedures	11
thoracic (chest) imaging	49
ultrasound (sonogram)	40
vascular procedures	11
X-rays	54

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	392
Female	407

**Ethnicity**
Non-Hispanic White	755
Black	0
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	251
85 and over	123
Less than 65	146

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2021

Hypertension	72
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	41
Depression	36
Chronic Kidney Disease	46
Asthma	7
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME during 2022 were CT scan, abdominal imaging, pelvic imaging and X-rays.

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

abdominal imaging	133
CT scan	157
musculoskeletal imaging	43
pelvic imaging	114
spinal procedures	24
thoracic (chest) imaging	55
ultrasound (sonogram)	68
vascular procedures	37
X-rays	79

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	504
Female	565

**Ethnicity**
Non-Hispanic White	995
Black	0
Hispanic	18
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	376
From 75 to 84	346
85 and over	199
Less than 65	148

Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Dementia	10
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joseph P. Gerding, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joseph P. Gerding, MD treated as a radiologist in Portland, ME were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

abdominal imaging	139
angioplasty	14
aspiration	14
breast procedures	39
catheterization	15
CT scan	158
dialysis access procedures	11
doctor visit	25
hip imaging	27
hospital care	18
inpatient care	18
minimally invasive procedures	21
musculoskeletal imaging	43
neck imaging	18
pelvic imaging	101
preventive care	39
spinal procedures	19
thoracic (chest) imaging	217
ultrasound (sonogram)	210
vascular procedures	172
women's imaging	48
X-rays	233

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joseph P. Gerding, MD.

**Gender**
Male	473
Female	593

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	3
Non-Hispanic White	1023
Native American / Alaskan Native	0
Hispanic	1
Other	18

**Age**
75 to 84	308
85 and over	159
Less than 65	231
65 to 74	367

Average of Total of Conditions of Medicare patients treated by Dr. Joseph P. Gerding, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Joseph P. Gerding, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	65
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	34
Depression	34
Chronic Kidney Disease	37
Asthma	12
Osteoporosis	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	30
Atrial Fibrillation	16
Dementia	13
Cancer	14

Education & Training

Dr. Joseph P. Gerding, MD graduated from University of Illinois College of Medicine at Chicago in 2000. He completed residency at University of Hawaii at Manoa Affiliated Hospitals. He is certified by the Board Certification: Venous & Lymphatic Medicine and has a state license in Maine.

Medical School: University of Illinois College of Medicine at Chicago (2000)

Residency: University of Hawaii at Manoa Affiliated Hospitals (2002)

Board Certification: Board Certification: Venous & Lymphatic Medicine (2015)

Licensed In: Maine

Affiliations & Hospitals

Dr. Joseph P. Gerding, MD is associated with these hospitals and organizations:

MaineHealth

MaineHealth Lincoln Hospital

MaineHealth Memorial Hospital

MaineHealth Maine Medical Center

MaineHealth Accountable Care Organization

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$3,869 GENERAL VASCULAR INTERVENTION $489	guidewires $193	GENERAL - THERAPIES $184	Vascular Intervention $169	GENERAL - VASCULAR INTERVENTION $146	Other $2,689
Sirtex Medical Inc	$2,963 SIR-Spheres microspheres $2,963
Penumbra, Inc.	$434 Indigo System $340	Ruby $33	Indigo $25	Penumbra System $21	Ruby Coil $15
Medtronic USA, Inc.	$330 OSTEOCOOL RF ABLATION $215	KYPHON Balloon Kyphoplasty $115
Inari Medical, Inc.	$309 CT THROMBECTOMY SYSTEM KIT $129	FLOWTRIEVER CATHETER, S $102	ClotTriever $78
Other	$947 Spinal Surgery $137	Cryo Probe $111	THERASPHERE - BIO $98	GlideWire $91	Surefire Infusion Systems $74	Other $436

**Types of Payments**
Food and Beverage	$5,176
Travel and Lodging	$3,677

Biography

Dr. Joseph Gerding specializes in interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. After completing medical school at the University of Illinois College of Medicine at Chicago, he performed his residency at a hospital affiliated with the University of Hawaii at Manoa and a hospital affiliated with the University of Illinois at Chicago. He is professionally affiliated with MaineHealth.