In 2023, Dr. Otis R. Barnum, DO, MD had a list price for lab tests, urinalysis, and urine tests that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Louisiana. 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:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Otis R. Barnum, DO, 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 Louisiana. 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. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2012 were lab tests, inpatient care, hospital care and preventive care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

abdominal imaging	17
allergy testing	650
blood draw	503
diabetes management	283
diagnostic procedures	64
doctor visit	2763
gastrointestinal procedures	103
hospital care	1378
inpatient care	1378
lab tests	3730
minimally invasive procedures	753
nursing home care	433
preventive care	1078
removal of lesion (e.g. growth)	64
skin testing	650
thoracic (chest) imaging	58
thyroid function tests	43
vaccines	321
X-rays	75

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2013 were lab tests, inpatient care, hospital care and preventive care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

abdominal imaging	20
allergy testing	700
blood draw	419
cardiac procedures	11
diabetes management	258
diagnostic procedures	61
doctor visit	2461
ear procedures	14
gastrointestinal procedures	95
hospital care	1094
inpatient care	1094
lab tests	3557
minimally invasive procedures	795
nursing home care	398
preventive care	1010
removal of lesion (e.g. growth)	61
skin testing	700
stress testing	11
thoracic (chest) imaging	52
thyroid function tests	75
vaccines	329
X-rays	72

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	427
Female	573

**Ethnicity**
Non-Hispanic White	675
Black	290
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	352
From 75 to 84	339
85 and over	172
Less than 65	137

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	46
Depression	18
Chronic Kidney Disease	31
Asthma	4
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	22
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2014 were lab tests, inpatient care, hospital care and preventive care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

blood draw	492
diabetes management	165
diagnostic procedures	25
doctor visit	2328
ear procedures	18
gastrointestinal procedures	47
hospital care	1090
inpatient care	1090
lab tests	2658
minimally invasive procedures	47
nursing home care	318
preventive care	754
removal of lesion (e.g. growth)	25
thoracic (chest) imaging	53
thyroid function tests	141
vaccines	260
X-rays	53

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	485
Female	600

**Ethnicity**
Non-Hispanic White	748
Black	306
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	340
85 and over	205
Less than 65	152

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	48
Depression	22
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	37
Dementia	21
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2015 were lab tests, inpatient care, hospital care and blood draw.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

ambulatory monitoring	12
blood draw	788
cardiac procedures	12
diagnostic procedures	44
doctor visit	2288
gastrointestinal procedures	61
hospital care	1082
inpatient care	1082
lab tests	2787
minimally invasive procedures	61
nursing home care	291
preventive care	672
removal of lesion (e.g. growth)	44
thoracic (chest) imaging	75
thyroid function tests	230
vaccines	229
X-rays	75

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	964
Female	1138

**Ethnicity**
Non-Hispanic White	1486
Black	568
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	798
From 75 to 84	680
85 and over	360
Less than 65	264

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	8
Ischemic Heart Disease	49
Depression	22
Chronic Kidney Disease	31
Asthma	14
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2016 were lab tests, inpatient care, hospital care and preventive care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

blood draw	699
chronic care	14
diagnostic procedures	30
doctor visit	2034
gastrointestinal procedures	55
hospital care	836
inpatient care	836
lab tests	2609
minimally invasive procedures	55
nursing home care	204
preventive care	713
removal of lesion (e.g. growth)	30
thoracic (chest) imaging	29
thyroid function tests	273
vaccines	255
X-rays	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	365
Female	424

**Ethnicity**
Non-Hispanic White	581
Black	186
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	282
85 and over	119
Less than 65	86

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2016

Hypertension	75
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	44
Depression	18
Chronic Kidney Disease	32
Asthma	20
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2017 were lab tests, preventive care, inpatient care and hospital care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

blood draw	849
chronic care	35
diabetes management	257
diagnostic procedures	42
doctor visit	1887
gastrointestinal procedures	66
hospital care	966
inpatient care	966
lab tests	3548
minimally invasive procedures	66
preventive care	1027
removal of lesion (e.g. growth)	42
thoracic (chest) imaging	55
thyroid function tests	225
vaccines	268
X-rays	55

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	344
Female	411

**Ethnicity**
Non-Hispanic White	550
Black	178
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	252
85 and over	125
Less than 65	79

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2017

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	45
Depression	30
Chronic Kidney Disease	59
Asthma	5
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	44
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2018 were lab tests, preventive care, blood draw and inpatient care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

blood draw	754
diabetes management	310
diagnostic procedures	38
doctor visit	1546
gastrointestinal procedures	56
hospital care	702
inpatient care	702
lab tests	3710
minimally invasive procedures	56
musculoskeletal imaging	12
preventive care	775
removal of lesion (e.g. growth)	38
thyroid function tests	321
vaccines	28
X-rays	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	347
Female	404

**Ethnicity**
Non-Hispanic White	558
Black	167
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	237
85 and over	127
Less than 65	83

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	58
Asthma	3
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	44
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2019 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

diagnostic procedures	19
doctor visit	1511
ear procedures	12
gastrointestinal procedures	19
hospital care	665
inpatient care	665
lab tests	54
minimally invasive procedures	19
preventive care	183
removal of lesion (e.g. growth)	19
vaccines	183

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	253
Female	293

**Ethnicity**
Non-Hispanic White	387
Black	135
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	190
85 and over	98
Less than 65	57

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2019

Hypertension	75
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	40
Depression	39
Chronic Kidney Disease	67
Asthma	6
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	43
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2020 were hospital care, inpatient care, chronic care and ear procedures.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

chronic care	22
diagnostic procedures	11
doctor visit	1114
ear procedures	16
gastrointestinal procedures	11
hospital care	601
inpatient care	601
minimally invasive procedures	11
removal of lesion (e.g. growth)	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	217
Female	249

**Ethnicity**
Non-Hispanic White	347
Black	101
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	153
85 and over	85
Less than 65	41

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	39
Depression	37
Chronic Kidney Disease	67
Asthma	4
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2021 were hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

doctor visit	1033
hospital care	391
inpatient care	391
preventive care	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	218
Female	254

**Ethnicity**
Non-Hispanic White	358
Black	93
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	146
85 and over	83
Less than 65	38

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2021

Hypertension	75
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	37
Depression	39
Chronic Kidney Disease	62
Asthma	7
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	15
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA during 2022 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

doctor visit	1469
hospital care	346
inpatient care	346
preventive care	69
vaccines	69

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	204
Female	253

**Ethnicity**
Non-Hispanic White	354
Black	81
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	158
85 and over	79
Less than 65	33

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	31
Depression	42
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Otis R. Barnum, DO, MD for Medicare patients.

The highest averages for the top procedures that Dr. Otis R. Barnum, DO, MD treated as an internist in Natchitoches, LA were lab tests, inpatient care, hospital care and allergy testing.

abdominal imaging	18
allergy testing	675
ambulatory monitoring	12
blood draw	643
cardiac procedures	11
chronic care	23
diabetes management	254
diagnostic procedures	37
doctor visit	1857
ear procedures	15
gastrointestinal procedures	57
hospital care	831
inpatient care	831
lab tests	2831
minimally invasive procedures	207
musculoskeletal imaging	12
nursing home care	328
preventive care	629
removal of lesion (e.g. growth)	37
skin testing	675
stress testing	11
thoracic (chest) imaging	53
thyroid function tests	186
vaccines	215
X-rays	53

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Otis R. Barnum, DO, MD.

**Gender**
Male	347
Female	418

**Ethnicity**
Black / African American	191
Asian / Pacific Islander	0
Non-Hispanic White	549
Native American / Alaskan Native	0
Hispanic	4
Other	3

**Age**
75 to 84	252
85 and over	132
Less than 65	88
65 to 74	293

Average of Total of Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	44
Asthma	7
Osteoporosis	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	36
Atrial Fibrillation	12
Dementia	16
Cancer	8

Education & Training

He has a state license in Louisiana.

Licensed In: Louisiana

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pfizer Inc.	$3,479 Non-Covered Product $2,069	ELIQUIS $124	NURTEC ODT $61	LYRICA $32	EUCRISA $28	Other $1,165
Novo Nordisk AS	$2,446 $2,446
Novo Nordisk Inc	$372 RYBELSUS $169	Tresiba $59	Ozempic $47	Levemir $45	Victoza $31	Other $21
Amgen Inc.	$326 Repatha $91	$235
GlaxoSmithKline, LLC.	$216 TRELEGY ELLIPTA $91	ANORO $43	INCRUSE $19	FLOVENT $18	SHINGRIX $16	Other $30
Other	$1,499 NUZYRA $143	Myrbetriq $131	ENTRESTO $129	JARDIANCE $79	Vascepa $69	Other $949

**Types of Payments**
Food and Beverage	$4,755
Travel and Lodging	$3,519
Education	$65

Research Payments

Dr. Otis R. Barnum, DO, MD has received 716 research payments totaling $2,726,087.

Select Year:

Dr. Otis R. Barnum, DO, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Otis R. Barnum, DO, MD in 2023

By Affordability:

By Affordability:

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. Otis R. Barnum, DO, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Otis R. Barnum, DO, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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