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Home > OK Providers > Pathologists

Dr. Robert S. Littlejohn, MD

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Specializes in: Pathology

University of Missouri-Kansas City School of Medicine

501 Alameda Street Suite B
Norman, OK 73071

(405) 321-0370

Dr. Robert S. Littlejohn, MD is a pathologist in Norman, OK specializing in pathology. He graduated from University of Missouri-Kansas City School of Medicine. Dr. Robert S. Littlejohn, MD is affiliated with Norman Regional Health System and PATHOLOGY CONSULTATION SERVICES INC.

Office Locations

Norman Regional Health System

501 Alameda Street Suite B
Norman, OK 73071

(405) 321-0370

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Noteworthy Medicare Patient Procedures Performed by Dr. Robert S. Littlejohn, MD in 2023

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

Top 25%

By Volume:

intraoperative pathology consultation

By Affordability:

lab tests

In 2012, among providers in related specialties within Oklahoma, Dr. Robert S. Littlejohn, MD performed more intraoperative pathology consultation procedures for Medicare patients than 75% of them and he also had a list price for lab tests 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. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2012 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	39
cytology	124
lab tests	631

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2013 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	78
cytology	64
lab tests	731

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	359
Female	529

**Ethnicity**
Non-Hispanic White	799
Black	30
Hispanic	0
Asian	0
Other	0
Native American	40

**Age**
From 65 to 74	363
From 75 to 84	270
85 and over	99
Less than 65	156

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	46
Depression	37
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	32
Diabetes	34
Dementia	15
Cancer	23

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2014 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	85
cytology	17
lab tests	447

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	293
Female	488

**Ethnicity**
Non-Hispanic White	711
Black	16
Hispanic	0
Asian	0
Other	0
Native American	31

**Age**
From 65 to 74	329
From 75 to 84	237
85 and over	91
Less than 65	124

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	47
Depression	39
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2015 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	77
cytology	56
lab tests	377

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	540
Female	928

**Ethnicity**
Non-Hispanic White	1284
Black	52
Hispanic	0
Asian	0
Other	0
Native American	78

**Age**
From 65 to 74	644
From 75 to 84	408
85 and over	124
Less than 65	292

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2015

Hypertension	75
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	45
Depression	36
Chronic Kidney Disease	34
Asthma	20
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2016 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	103
cytology	46
lab tests	391

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	248
Female	377

**Ethnicity**
Non-Hispanic White	555
Black	15
Hispanic	0
Asian	0
Other	0
Native American	36

**Age**
From 65 to 74	286
From 75 to 84	187
85 and over	59
Less than 65	93

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	48
Depression	33
Chronic Kidney Disease	43
Asthma	29
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	13
Cancer	25

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2017 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	104
cytology	68
lab tests	514

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	247
Female	416

**Ethnicity**
Non-Hispanic White	592
Black	15
Hispanic	15
Asian	0
Other	0
Native American	23

**Age**
From 65 to 74	267
From 75 to 84	202
85 and over	80
Less than 65	114

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	51
Depression	37
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	30
Chronic Obstructive Pulmonary Disease	33
Diabetes	44
Dementia	17
Cancer	23

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2018 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	130
cytology	90
lab tests	627

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	315
Female	450

**Ethnicity**
Non-Hispanic White	671
Black	30
Hispanic	15
Asian	0
Other	0
Native American	36

**Age**
From 65 to 74	317
From 75 to 84	257
85 and over	75
Less than 65	116

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	46
Depression	35
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	14
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2019 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	216
cytology	97
lab tests	652

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	339
Female	495

**Ethnicity**
Non-Hispanic White	740
Black	23
Hispanic	15
Asian	0
Other	0
Native American	36

**Age**
From 65 to 74	382
From 75 to 84	264
85 and over	82
Less than 65	106

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	46
Depression	36
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	15
Cancer	22

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2020 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	92
cytology	78
lab tests	881

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	421
Female	585

**Ethnicity**
Non-Hispanic White	882
Black	33
Hispanic	21
Asian	0
Other	0
Native American	46

**Age**
From 65 to 74	535
From 75 to 84	263
85 and over	78
Less than 65	130

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2020

Hypertension	75
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	45
Depression	34
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2021 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	100
cytology	75
lab tests	774

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	338
Female	546

**Ethnicity**
Non-Hispanic White	774
Black	22
Hispanic	17
Asian	11
Other	21
Native American	39

**Age**
From 65 to 74	465
From 75 to 84	244
85 and over	61
Less than 65	114

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2021

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	45
Depression	32
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK during 2022 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

consultation	134
cytology	69
lab tests	760

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	356
Female	493

**Ethnicity**
Non-Hispanic White	763
Black	20
Hispanic	14
Asian	0
Other	0
Native American	33

**Age**
From 65 to 74	450
From 75 to 84	257
85 and over	61
Less than 65	81

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	19
Atrial Fibrilation	22
Heart Failure	15
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	6
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Robert S. Littlejohn, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert S. Littlejohn, MD treated as a pathologist in Norman, OK were lab tests, consultation and cytology.

consultation	105
cytology	71
lab tests	616

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Robert S. Littlejohn, MD.

**Gender**
Male	314
Female	482

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	1
Non-Hispanic White	706
Native American / Alaskan Native	36
Hispanic	8
Other	1

**Age**
75 to 84	235
85 and over	73
Less than 65	120
65 to 74	367

Average of Total of Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	41
Depression	31
Chronic Kidney Disease	35
Asthma	12
Osteoporosis	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Atrial Fibrillation	13
Dementia	11
Cancer	18

Education & Training

Dr. Robert S. Littlejohn, MD graduated from University of Missouri-Kansas City School of Medicine. He completed residency at University of Oklahoma Health Sciences Center. He is certified by the Board Certified in Anatomic and Clinical Pathology and has a state license in Missouri.

Medical School: University of Missouri-Kansas City School of Medicine

Residency: University of Oklahoma Health Sciences Center

Board Certification: Board Certified in Anatomic and Clinical Pathology

Licensed In: Missouri

Affiliations & Hospitals

Dr. Robert S. Littlejohn, MD is associated with these hospitals and organizations:

Norman Regional Health System

PATHOLOGY CONSULTATION SERVICES INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$25 $25

**Types of Payments**
Food and Beverage	$25

Biography

Dr. Robert Littlejohn's area of specialization is pathology. He is a graduate of the University of Missouri-Kansas City School of Medicine. His residency was performed at the University of Oklahoma Health Sciences Center. Dr. Littlejohn is professionally affiliated with Norman Regional Health System.

Select Year:

Dr. Robert S. Littlejohn, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Robert S. Littlejohn, MD in 2023

By Volume:

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. Robert S. Littlejohn, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert S. Littlejohn, 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. Robert S. Littlejohn, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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