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Dr. Neal Holzum, MD

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Specializes in: Internal Medicine (Adult Medicine) and Hospital Medicine (Hospitalist)

University of Missouri-Kansas City School of Medicine (1996)

2 Progress Point Court Suite 101a
O'Fallon, MO 63368

(636) 236-9945

Dr. Neal Holzum, MD is an internist in O'Fallon, MO specializing in internal medicine (adult medicine) and hospital medicine (hospitalist). He graduated from University of Missouri-Kansas City School of Medicine in 1996 and has 30 years of experience. Dr. Neal Holzum, MD is affiliated with SSM Health.

Office Locations

2 Progress Point Court Suite 101a
O'Fallon, MO 63368

(636) 236-9945

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2536 S. Old Highway 94 Suite 224
Saint Charles, MO 63303

(636) 236-9945

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Noteworthy Medicare Patient Procedures Performed by Dr. Neal Holzum, MD in 2024

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

Top 5%

By Volume:

inpatient hospital care

In 2024, Dr. Neal Holzum, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Missouri.

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Neal Holzum, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Missouri. 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. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2012 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

doctor visit	14
hospital care	1090
inpatient care	981
outpatient care	109

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1070
inpatient care	959
outpatient care	111

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	122
Female	185

**Ethnicity**
Non-Hispanic White	286
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	85
85 and over	77
Less than 65	48

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2013

Hypertension	75
High Cholesterol	63
Stroke	11
Ischemic Heart Disease	47
Depression	48
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	40
Chronic Obstructive Pulmonary Disease	32
Diabetes	42
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1192
inpatient care	1070
outpatient care	122

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	139
Female	200

**Ethnicity**
Non-Hispanic White	317
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	84
85 and over	87
Less than 65	51

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	14
Ischemic Heart Disease	45
Depression	44
Chronic Kidney Disease	48
Asthma	15
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	35
Chronic Obstructive Pulmonary Disease	32
Diabetes	36
Dementia	24
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2015 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1375
inpatient care	1277
outpatient care	98

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	290
Female	446

**Ethnicity**
Non-Hispanic White	698
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	178
85 and over	160
Less than 65	160

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2015

Hypertension	75
High Cholesterol	65
Stroke	14
Ischemic Heart Disease	42
Depression	48
Chronic Kidney Disease	42
Asthma	21
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	30
Chronic Obstructive Pulmonary Disease	30
Diabetes	36
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2016 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

doctor visit	17
hospital care	964
inpatient care	902
outpatient care	62

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	104
Female	179

**Ethnicity**
Non-Hispanic White	265
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	80
85 and over	65
Less than 65	44

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	11
Ischemic Heart Disease	45
Depression	47
Chronic Kidney Disease	48
Asthma	30
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	32
Chronic Obstructive Pulmonary Disease	29
Diabetes	38
Dementia	31
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2017 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

doctor visit	17
hospital care	882
inpatient care	806
outpatient care	76

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	95
Female	158

**Ethnicity**
Non-Hispanic White	237
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	69
85 and over	48
Less than 65	40

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2017

Hypertension	75
High Cholesterol	64
Stroke	13
Ischemic Heart Disease	39
Depression	45
Chronic Kidney Disease	53
Asthma	11
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	35
Chronic Obstructive Pulmonary Disease	33
Diabetes	37
Dementia	29
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2018 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1005
inpatient care	804
outpatient care	201

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	115
Female	175

**Ethnicity**
Non-Hispanic White	274
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	85
85 and over	55
Less than 65	46

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	46
Depression	41
Chronic Kidney Disease	49
Asthma	14
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	34
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	23
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2019 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1230
inpatient care	1164
outpatient care	66

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	133
Female	185

**Ethnicity**
Non-Hispanic White	283
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	103
85 and over	67
Less than 65	48

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	47
Depression	43
Chronic Kidney Disease	49
Asthma	10
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	30
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1097
inpatient care	1072
outpatient care	25

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	102
Female	130

**Ethnicity**
Non-Hispanic White	218
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	86
85 and over	44
Less than 65	23

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	46
Depression	48
Chronic Kidney Disease	50
Asthma	13
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	31
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Dementia	31
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2021 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1062
inpatient care	917
outpatient care	145

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	115
Female	151

**Ethnicity**
Non-Hispanic White	249
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	76
85 and over	55
Less than 65	28

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	43
Depression	36
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	27
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2022 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1077
inpatient care	977
outpatient care	100

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	103
Female	140

**Ethnicity**
Non-Hispanic White	221
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	82
85 and over	52
Less than 65	22

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	39
Asthma	17
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	19
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1162
inpatient care	1162

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	103
Female	207

**Ethnicity**
Non-Hispanic White	290
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	122
85 and over	60
Less than 65	24

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	34
Depression	37
Chronic Kidney Disease	39
Asthma	16
Osteoperosis	19
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	28
Diabetes	32
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

hospital care	1436
inpatient care	1436

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Male	141
Female	220

**Ethnicity**
Non-Hispanic White	336
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	120
85 and over	71
Less than 65	21

Conditions of Medicare patients treated by Dr. Neal Holzum, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	36
Depression	35
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	20
Atrial Fibrilation	31
Heart Failure	28
Chronic Obstructive Pulmonary Disease	26
Diabetes	35
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Neal Holzum, MD for Medicare patients.

The highest averages for the top procedures that Dr. Neal Holzum, MD treated as an internist in O'Fallon, MO were hospital care, inpatient care and outpatient care.

doctor visit	16
hospital care	1126
inpatient care	1040
outpatient care	101

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Neal Holzum, MD.

**Gender**
Female	182
Male	120

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	282
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	64
75 to 84	90
Less than 65	42
65 to 74	105

Average of Total of Conditions of Medicare patients treated by Dr. Neal Holzum, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	39
Depression	38
Chronic Kidney Disease	42
Asthma	14
Osteoporosis	11
Heart Failure	30
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Atrial Fibrillation	20
Cancer	14
Dementia	23

Education & Training

Dr. Neal Holzum, MD graduated from University of Missouri-Kansas City School of Medicine in 1996. He completed residency at Barnes-Jewish Hospital. He is certified by the American Board of Internal Medicine Missouri State Board of Registration and has a state license in Missouri.

Medical School: University of Missouri-Kansas City School of Medicine (1996)

Residency: Barnes-Jewish Hospital (1999)

Board Certification: American Board of Internal Medicine Missouri State Board of Registration

Licensed In: Missouri

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$73 XARELTO $73

**Types of Payments**
Food and Beverage	$73

Biography

Dr. Neal Holzum is a specialist in hospital medicine (hospitalist) in Saint Charles, MO and O Fallon, MO. After completing medical school at the University of Missouri-Kansas City School of Medicine, Dr. Holzum performed his residency at Barnes-Jewish Hospital. His professional affiliations include SSM Health St. Joseph Hospital - St. Charles and SSM Health St. Joseph Hospital - Lake Saint Louis.