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Dr. John Piper Grimm, MD

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Specializes in: Diagnostic Radiology and Neuroradiology

University of Southern California (USC), Keck School of Medicine

700 E Morehead Street Suite 300
Charlotte, NC 28202

(704) 334-7800

Dr. John Piper Grimm, MD is a diagnostic radiologist in Charlotte, NC specializing in diagnostic radiology and neuroradiology. He graduated from University of Southern California (USC), Keck School of Medicine. Dr. John Piper Grimm, MD is affiliated with Charlotte Radiology.

Office Locations

700 E Morehead Street Suite 300
Charlotte, NC 28202

(704) 334-7800

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Noteworthy Medicare Patient Procedures Performed by Dr. John Piper Grimm, MD in 2023

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

Top 10%

By Volume:

brain imaging

In 2023, Dr. John Piper Grimm, MD performed more brain imaging (neuroimaging) procedures for Medicare patients than 90% of providers in related specialties within North Carolina.

Top 25%

By Volume:

knee X-ray

In 2013, Dr. John Piper Grimm, MD performed more knee X-ray procedures for Medicare patients than 75% of providers in related specialties within North Carolina.

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2014 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and X-rays.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

brain imaging (neuroimaging)	843
CT scan	612
MRI (magnetic resonance imaging)	307
neck imaging	93
spinal procedures	127
thoracic (chest) imaging	199
ultrasound (sonogram)	33
vascular procedures	174
X-rays	212

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	519
Female	739

**Ethnicity**
Non-Hispanic White	903
Black	282
Hispanic	34
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	471
From 75 to 84	332
85 and over	163
Less than 65	292

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2014

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2014 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	66
Stroke	23
Ischemic Heart Disease	37
Depression	33
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2015 were brain imaging (neuroimaging), CT scan, X-rays and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

abdominal imaging	39
brain imaging (neuroimaging)	1888
CT scan	1553
eye procedures	11
hip imaging	20
MRI (magnetic resonance imaging)	769
musculoskeletal imaging	63
neck imaging	200
pelvic imaging	41
spinal procedures	453
thoracic (chest) imaging	738
ultrasound (sonogram)	111
vascular procedures	353
X-rays	919

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	2818
Female	3774

**Ethnicity**
Non-Hispanic White	4870
Black	1448
Hispanic	128
Asian	70
Other	0
Native American	0

**Age**
From 65 to 74	2414
From 75 to 84	1748
85 and over	1008
Less than 65	1422

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2015

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2015 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	63
Stroke	22
Ischemic Heart Disease	40
Depression	34
Chronic Kidney Disease	41
Asthma	18
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2016 were brain imaging (neuroimaging), CT scan, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

abdominal imaging	51
biological response modifier (BRM) therapy	14
brain imaging (neuroimaging)	1500
chemotherapy	14
CT scan	1246
MRI (magnetic resonance imaging)	513
musculoskeletal imaging	65
neck imaging	126
pelvic imaging	29
spinal procedures	328
thoracic (chest) imaging	843
ultrasound (sonogram)	63
vascular procedures	266
X-rays	1043

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1289
Female	1678

**Ethnicity**
Non-Hispanic White	2155
Black	675
Hispanic	63
Asian	37
Other	0
Native American	0

**Age**
From 65 to 74	1013
From 75 to 84	813
85 and over	485
Less than 65	656

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2016

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2016 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	65
Stroke	20
Ischemic Heart Disease	42
Depression	38
Chronic Kidney Disease	48
Asthma	29
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	27
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2017 were brain imaging (neuroimaging), CT scan, X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

abdominal imaging	51
brain imaging (neuroimaging)	1528
CT scan	1232
MRI (magnetic resonance imaging)	581
musculoskeletal imaging	76
neck imaging	106
pelvic imaging	15
spinal procedures	384
thoracic (chest) imaging	867
ultrasound (sonogram)	59
vascular procedures	276
X-rays	1076

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1316
Female	1728

**Ethnicity**
Non-Hispanic White	2187
Black	697
Hispanic	73
Asian	42
Other	0
Native American	0

**Age**
From 65 to 74	1017
From 75 to 84	903
85 and over	504
Less than 65	620

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2017

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2017 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	62
Stroke	21
Ischemic Heart Disease	42
Depression	36
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	28
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2018 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

abdominal imaging	16
biological response modifier (BRM) therapy	17
brain imaging (neuroimaging)	1656
chemotherapy	17
CT scan	1379
MRI (magnetic resonance imaging)	550
musculoskeletal imaging	58
neck imaging	115
pelvic imaging	18
spinal procedures	379
ultrasound (sonogram)	63
vascular procedures	251
X-rays	181

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1399
Female	1836

**Ethnicity**
Non-Hispanic White	2312
Black	772
Hispanic	66
Asian	0
Other	48
Native American	0

**Age**
From 65 to 74	1161
From 75 to 84	939
85 and over	534
Less than 65	601

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2018

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2018 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	68
Stroke	22
Ischemic Heart Disease	42
Depression	37
Chronic Kidney Disease	50
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2019 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and X-rays.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

abdominal imaging	13
brain imaging (neuroimaging)	1343
CT scan	1088
MRI (magnetic resonance imaging)	411
musculoskeletal imaging	103
neck imaging	81
pelvic imaging	22
spinal procedures	214
thoracic (chest) imaging	11
ultrasound (sonogram)	47
vascular procedures	173
X-rays	223

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1280
Female	1658

**Ethnicity**
Non-Hispanic White	2134
Black	656
Hispanic	62
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	1004
From 75 to 84	879
85 and over	506
Less than 65	549

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2019

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	66
Stroke	22
Ischemic Heart Disease	44
Depression	38
Chronic Kidney Disease	52
Asthma	10
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	31
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2020 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

abdominal imaging	11
brain imaging (neuroimaging)	1094
CT scan	944
MRI (magnetic resonance imaging)	380
musculoskeletal imaging	97
neck imaging	74
nuclear scan	39
pelvic imaging	31
spinal procedures	297
ultrasound (sonogram)	37
vascular procedures	150
X-rays	210

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1256
Female	1609

**Ethnicity**
Non-Hispanic White	2014
Black	669
Hispanic	77
Asian	0
Other	65
Native American	0

**Age**
From 65 to 74	1018
From 75 to 84	904
85 and over	459
Less than 65	484

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2020

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	66
Stroke	20
Ischemic Heart Disease	44
Depression	37
Chronic Kidney Disease	54
Asthma	8
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	29
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2021 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and X-rays.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

brain imaging (neuroimaging)	881
CT scan	752
MRI (magnetic resonance imaging)	303
musculoskeletal imaging	145
neck imaging	57
pelvic imaging	33
spinal procedures	235
thoracic (chest) imaging	12
ultrasound (sonogram)	25
vascular procedures	103
X-rays	287

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1434
Female	1787

**Ethnicity**
Non-Hispanic White	2483
Black	575
Hispanic	71
Asian	0
Other	50
Native American	0

**Age**
From 65 to 74	1145
From 75 to 84	1046
85 and over	557
Less than 65	473

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2021

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	68
Stroke	17
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2022 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

brain imaging (neuroimaging)	822
CT scan	777
MRI (magnetic resonance imaging)	253
musculoskeletal imaging	101
neck imaging	47
pelvic imaging	29
spinal procedures	233
ultrasound (sonogram)	26
vascular procedures	94
X-rays	181

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1105
Female	1364

**Ethnicity**
Non-Hispanic White	1929
Black	382
Hispanic	60
Asian	0
Other	62
Native American	0

**Age**
From 65 to 74	850
From 75 to 84	840
85 and over	478
Less than 65	301

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2022

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	29
Ischemic Heart Disease	38
Depression	36
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	16
Atrial Fibrilation	30
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	24
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC during 2023 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and X-rays.

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

brain imaging (neuroimaging)	849
CT scan	768
MRI (magnetic resonance imaging)	214
musculoskeletal imaging	69
neck imaging	33
pelvic imaging	21
spinal procedures	121
ultrasound (sonogram)	29
vascular procedures	71
X-rays	130

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	840
Female	1116

**Ethnicity**
Non-Hispanic White	1572
Black	280
Hispanic	34
Asian	0
Other	41
Native American	0

**Age**
From 65 to 74	640
From 75 to 84	759
85 and over	355
Less than 65	202

Conditions of Medicare patients treated by Dr. John Piper Grimm, MD in 2023

The most common conditions of Medicare patients that Dr. John Piper Grimm, MD treated during 2023 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	30
Ischemic Heart Disease	39
Depression	36
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	18
Atrial Fibrilation	31
Heart Failure	33
Chronic Obstructive Pulmonary Disease	26
Diabetes	37
Dementia	23
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2023

Volume of procedures performed by Dr. John Piper Grimm, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Piper Grimm, MD treated as a diagnostic radiologist in Charlotte, NC were brain imaging (neuroimaging), CT scan, X-rays and thoracic (chest) imaging.

abdominal imaging	30
biological response modifier (BRM) therapy	15
brain imaging (neuroimaging)	1240
chemotherapy	15
CT scan	1035
eye procedures	11
hip imaging	20
MRI (magnetic resonance imaging)	428
musculoskeletal imaging	86
neck imaging	93
nuclear scan	39
pelvic imaging	26
spinal procedures	277
thoracic (chest) imaging	445
ultrasound (sonogram)	49
vascular procedures	191
X-rays	446

Average Medicare Patient Data From 2014 - 2023

Information about Medicare patients treated by Dr. John Piper Grimm, MD.

**Gender**
Male	1325
Female	1728

**Ethnicity**
Black / African American	643
Asian / Pacific Islander	19
Non-Hispanic White	2255
Native American / Alaskan Native	0
Hispanic	66
Other	28

**Age**
75 to 84	916
85 and over	504
Less than 65	560
65 to 74	1073

Average of Total of Conditions of Medicare patients treated by Dr. John Piper Grimm, MD From 2014 - 2023

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

Hypertension	75
High Cholesterol	67
Stroke	22
Ischemic Heart Disease	41
Depression	36
Chronic Kidney Disease	46
Asthma	13
Osteoporosis	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Atrial Fibrillation	20
Cancer	15
Dementia	26

Education & Training

Dr. John Piper Grimm, MD graduated from University of Southern California (USC), Keck School of Medicine. He completed residency at University of Southern California (USC) Affiliated Hospitals. He is certified by the American Board of Radiology and has a state license in South Carolina.

Medical School: University of Southern California (USC), Keck School of Medicine

Residency: University of Southern California (USC) Affiliated Hospitals

Board Certification: American Board of Radiology

Licensed In: South Carolina

Affiliations & Hospitals

Dr. John Piper Grimm, MD is associated with these hospitals and organizations:

Charlotte Radiology

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General Payments

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

**Payments by Company**
Orexo US, Inc.	$125 Zubsolv $125
Philips Electronics North America Corporation	$19 Ingenia 1.5T R5 $19

**Types of Payments**
Food and Beverage	$144

Biography

Dr. John Grimm is a medical specialist in neuroradiology and diagnostic radiology. His education and training includes medical school at the University of Southern California (USC), Keck School of Medicine and residency at a hospital affiliated with the University of Southern California (USC). Dr. Grimm is professionally affiliated with Charlotte Radiology.