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Dr. Gregory M. S. Phelan, MD

(Dr. Gregory Phelan, M.D)

(No ratings)

Specializes in: Diagnostic Radiology and Neuroradiology

University of Minnesota Medical School (1992)

250 Thompson Street
Saint Paul, MN 55102

(651) 292-2000

Dr. Gregory M. S. Phelan, MD is a diagnostic radiologist in Roseville, MN specializing in diagnostic radiology and neuroradiology. He graduated from University of Minnesota Medical School in 1992 and has 34 years of experience. Dr. Gregory M. S. Phelan, MD is affiliated with Midwest Radiology and Essentia Health.

Office Locations

2355 Highway 36 W Suite 100
Roseville, MN 55113

(952) 837-9700

(952) 837-9701

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250 Thompson Street
Saint Paul, MN 55102

(651) 292-2000

(651) 292-2136

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420 E 1st Street
Duluth, MN 55805

(218) 786-8364

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4801 W 81st Street Suite 108
Bloomington, MN 55437

(952) 837-9700

(952) 837-9701

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9055 Springbrook Drive Nw
Coon Rapids, MN 55433

(763) 780-9155

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory M. S. Phelan, MD in 2024

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

Top 5%

By Volume:

spine imaging

By Affordability:

spine CT scan

In 2024, among providers in related specialties within Minnesota, Dr. Gregory M. S. Phelan, MD performed more spine imaging procedures for Medicare patients than 95% of them and he also had a list price for spine CT scan that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Affordability:

cervical spine CT scan

lumbar spine CT scan

thoracic spine CT scan

In 2024, Dr. Gregory M. S. Phelan, MD had a list price for cervical (neck) spine CT scan, lumbar spine (low-back) CT scan, and thoracic spine (mid-back) CT scan that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Minnesota. 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:

By Affordability:

brain MRA

head/brain CT scan

spine MRI

In 2012, among providers in related specialties within Minnesota, Dr. Gregory M. S. Phelan, MD performed more brain imaging (neuroimaging), CT scan, MRI angiogram (MRA), MRI (magnetic resonance imaging), and neck imaging procedures for Medicare patients than 75% of them and he also had a list price for brain MRA, head/brain CT scan, and spine MRI 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. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2012 were X-rays, brain imaging (neuroimaging), CT scan and thoracic (chest) imaging.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

abdominal imaging	57
brain imaging (neuroimaging)	545
CT scan	498
hip imaging	35
MRI (magnetic resonance imaging)	276
musculoskeletal imaging	48
neck imaging	63
pelvic imaging	36
spinal procedures	254
thoracic (chest) imaging	485
vascular procedures	114
X-rays	616

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2013 were X-rays, brain imaging (neuroimaging), CT scan and thoracic (chest) imaging.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

abdominal imaging	36
brain imaging (neuroimaging)	511
CT scan	433
hip imaging	13
MRI (magnetic resonance imaging)	253
musculoskeletal imaging	33
neck imaging	51
pelvic imaging	15
spinal procedures	248
thoracic (chest) imaging	392
vascular procedures	103
X-rays	518

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	491
Female	720

**Ethnicity**
Non-Hispanic White	1120
Black	41
Hispanic	11
Asian	13
Other	11
Native American	15

**Age**
From 65 to 74	300
From 75 to 84	356
85 and over	192
Less than 65	363

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2013

Hypertension	69
High Cholesterol	50
Stroke	12
Ischemic Heart Disease	36
Depression	39
Chronic Kidney Disease	34
Asthma	14
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2014 were X-rays, brain imaging (neuroimaging), thoracic (chest) imaging and CT scan.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

abdominal imaging	23
brain imaging (neuroimaging)	495
CT scan	428
hip imaging	16
injections	12
MRI (magnetic resonance imaging)	221
musculoskeletal imaging	16
neck imaging	47
nerve block	12
pain management	12
pelvic imaging	16
spinal procedures	203
thoracic (chest) imaging	468
vascular procedures	66
X-rays	541

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	497
Female	740

**Ethnicity**
Non-Hispanic White	1142
Black	37
Hispanic	22
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	353
85 and over	209
Less than 65	384

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2014

Hypertension	70
High Cholesterol	50
Stroke	11
Ischemic Heart Disease	35
Depression	38
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2015 were X-rays, brain imaging (neuroimaging), CT scan and thoracic (chest) imaging.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

abdominal imaging	18
brain imaging (neuroimaging)	544
CT scan	449
hip imaging	38
MRI (magnetic resonance imaging)	253
musculoskeletal imaging	58
neck imaging	35
pelvic imaging	49
spinal procedures	248
thoracic (chest) imaging	392
vascular procedures	82
X-rays	574

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	1066
Female	1372

**Ethnicity**
Non-Hispanic White	2228
Black	94
Hispanic	32
Asian	24
Other	36
Native American	24

**Age**
From 65 to 74	612
From 75 to 84	650
85 and over	440
Less than 65	736

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2015

Hypertension	71
High Cholesterol	48
Stroke	12
Ischemic Heart Disease	38
Depression	39
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	30
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2016 were brain imaging (neuroimaging), CT scan, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

abdominal imaging	17
brain imaging (neuroimaging)	518
CT scan	458
MRI (magnetic resonance imaging)	273
musculoskeletal imaging	18
neck imaging	33
spinal procedures	259
thoracic (chest) imaging	286
vascular procedures	74
X-rays	342

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	451
Female	681

**Ethnicity**
Non-Hispanic White	1027
Black	40
Hispanic	17
Asian	20
Other	14
Native American	14

**Age**
From 65 to 74	271
From 75 to 84	297
85 and over	230
Less than 65	334

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2016

Hypertension	70
High Cholesterol	48
Stroke	16
Ischemic Heart Disease	35
Depression	41
Chronic Kidney Disease	42
Asthma	27
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2017 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	563
CT scan	511
MRI (magnetic resonance imaging)	264
neck imaging	61
spinal procedures	232
thoracic (chest) imaging	182
vascular procedures	80
X-rays	195

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	409
Female	613

**Ethnicity**
Non-Hispanic White	935
Black	32
Hispanic	19
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	269
85 and over	209
Less than 65	282

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2017

Hypertension	71
High Cholesterol	47
Stroke	13
Ischemic Heart Disease	37
Depression	44
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2018 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	604
CT scan	552
MRI (magnetic resonance imaging)	273
neck imaging	59
spinal procedures	233
vascular procedures	70
X-rays	17

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	468
Female	582

**Ethnicity**
Non-Hispanic White	962
Black	30
Hispanic	22
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	257
85 and over	191
Less than 65	312

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2018

Hypertension	72
High Cholesterol	53
Stroke	16
Ischemic Heart Disease	36
Depression	43
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2019 were CT scan, brain imaging (neuroimaging), spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	1086
CT scan	1106
MRI (magnetic resonance imaging)	566
musculoskeletal imaging	15
neck imaging	89
spinal procedures	629
vascular procedures	108
X-rays	83

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	754
Female	1065

**Ethnicity**
Non-Hispanic White	1690
Black	35
Hispanic	26
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	569
From 75 to 84	557
85 and over	360
Less than 65	333

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2019

Hypertension	72
High Cholesterol	56
Stroke	15
Ischemic Heart Disease	38
Depression	0
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2020 were brain imaging (neuroimaging), CT scan, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	1027
CT scan	1001
MRI (magnetic resonance imaging)	516
neck imaging	79
spinal procedures	675
vascular procedures	97
X-rays	211

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	692
Female	897

**Ethnicity**
Non-Hispanic White	1462
Black	40
Hispanic	24
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	539
From 75 to 84	443
85 and over	334
Less than 65	273

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2020

Hypertension	75
High Cholesterol	56
Stroke	16
Ischemic Heart Disease	41
Depression	40
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	23
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2021 were brain imaging (neuroimaging), CT scan, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	1093
CT scan	1054
MRI (magnetic resonance imaging)	549
neck imaging	90
spinal procedures	696
vascular procedures	105
X-rays	219

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	655
Female	936

**Ethnicity**
Non-Hispanic White	1455
Black	36
Hispanic	23
Asian	24
Other	39
Native American	14

**Age**
From 65 to 74	525
From 75 to 84	473
85 and over	330
Less than 65	263

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2021

Hypertension	75
High Cholesterol	56
Stroke	15
Ischemic Heart Disease	39
Depression	39
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2022 were brain imaging (neuroimaging), CT scan, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	1047
CT scan	1033
MRI (magnetic resonance imaging)	569
neck imaging	80
spinal procedures	805
vascular procedures	115
X-rays	247

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	608
Female	927

**Ethnicity**
Non-Hispanic White	1408
Black	32
Hispanic	29
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	448
From 75 to 84	486
85 and over	338
Less than 65	263

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	22
Ischemic Heart Disease	33
Depression	37
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	17
Atrial Fibrilation	25
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	18
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2023 were CT scan, spinal procedures, brain imaging (neuroimaging) and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	786
CT scan	871
MRI (magnetic resonance imaging)	481
neck imaging	56
spinal procedures	835
vascular procedures	68
X-rays	286

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	591
Female	793

**Ethnicity**
Non-Hispanic White	1268
Black	33
Hispanic	13
Asian	15
Other	41
Native American	14

**Age**
From 65 to 74	465
From 75 to 84	401
85 and over	317
Less than 65	201

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2023

Hypertension	73
High Cholesterol	70
Stroke	22
Ischemic Heart Disease	32
Depression	36
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	19
Atrial Fibrilation	26
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN during 2024 were CT scan, spinal procedures, brain imaging (neuroimaging) and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

brain imaging (neuroimaging)	708
CT scan	913
MRI (magnetic resonance imaging)	424
neck imaging	69
spinal procedures	825
vascular procedures	59
X-rays	251

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	599
Female	793

**Ethnicity**
Non-Hispanic White	1288
Black	33
Hispanic	0
Asian	27
Other	23
Native American	0

**Age**
From 65 to 74	477
From 75 to 84	449
85 and over	277
Less than 65	189

Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD in 2024

Hypertension	75
High Cholesterol	72
Stroke	19
Ischemic Heart Disease	34
Depression	37
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	20
Atrial Fibrilation	27
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Gregory M. S. Phelan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory M. S. Phelan, MD treated as a diagnostic radiologist in Roseville, MN were brain imaging (neuroimaging), CT scan, spinal procedures and MRI (magnetic resonance imaging).

abdominal imaging	30
brain imaging (neuroimaging)	732
CT scan	715
hip imaging	25
injections	12
MRI (magnetic resonance imaging)	378
musculoskeletal imaging	31
neck imaging	62
nerve block	12
pain management	12
pelvic imaging	29
spinal procedures	472
thoracic (chest) imaging	367
vascular procedures	87
X-rays	315

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Gregory M. S. Phelan, MD.

**Gender**
Male	560
Female	778

**Ethnicity**
Black / African American	37
Asian / Pacific Islander	9
Non-Hispanic White	1229
Native American / Alaskan Native	6
Hispanic	18
Other	24

**Age**
75 to 84	383
85 and over	263
Less than 65	302
65 to 74	388

Average of Total of Conditions of Medicare patients treated by Dr. Gregory M. S. Phelan, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Gregory M. S. Phelan, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	66
High Cholesterol	51
Stroke	14
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	35
Asthma	12
Osteoporosis	10
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Atrial Fibrillation	16
Dementia	17
Cancer	14

Education & Training

Dr. Gregory M. S. Phelan, MD graduated from University of Minnesota Medical School in 1992. He completed residency at University of Nebraska Medical Center. He is certified by the American Board of Radiology - Diagnostic Radiology and has a state license in Minnesota.

Medical School: University of Minnesota Medical School (1992)

Residency: University of Nebraska Medical Center (1998)

Board Certification: American Board of Radiology - Diagnostic Radiology

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Gregory M. S. Phelan, MD is associated with these hospitals and organizations:

Midwest Radiology

Essentia Health

Ratings & Reviews

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Biography

Dr. Gregory Phelan specializes in neuroradiology and diagnostic radiology. Dr. Phelan has a special interest in imaging procedures. After attending the University of Minnesota Medical School, he completed his residency training at the University of Nebraska Medical Center. He is affiliated with Essentia Health and Midwest Radiology.