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Dr. John Lawrence Frater JR., MD

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Specializes in: Hematopathology
University of Toledo College of Medicine (1996)
1 Barnes Jewish Hospital Plaza
Saint Louis, MO 63110

Dr. John Lawrence Frater JR., MD is a hematopathologist in Saint Louis, MO specializing in hematopathology. He graduated from University of Toledo College of Medicine in 1996 and has 30 years of experience. Dr. John Lawrence Frater JR., MD is affiliated with WashU Medicine, Washington University in St. Louis (WUSTL) and Barnes-Jewish Hospital.

View Doctor's Full Profile (314) 362-5641

Office Locations

1 Barnes Jewish Hospital Plaza
Saint Louis, MO 63110
(314) 362-5641
(314) 362-0369
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Noteworthy Medicare Patient Procedures Performed by Dr. John Lawrence Frater JR., MD in 2023

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

Top 5%

By Volume:

lab tests

In 2023, Dr. John Lawrence Frater JR., MD performed more lab tests procedures for Medicare patients than 95% of providers in related specialties within Missouri.

Top 25%

By Volume:

in situ hybridization

In 2012, Dr. John Lawrence Frater JR., MD performed more in situ hybridization procedures for Medicare patients than 75% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2012 were lab tests and second opinions.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

lab tests 829
second opinions 23

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 25
lab tests 838

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 196
Female 165
Ethnicity
Non-Hispanic White 305
Black 41
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 188
From 75 to 84 78
85 and over 16
Less than 65 79

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2013

Hypertension 72
High Cholesterol 54
Stroke 8
Ischemic Heart Disease 47
Depression 35
Chronic Kidney Disease 55
Asthma 11
Osteoperosis 7
Atrial Fibrilation 14
Heart Failure 33
Chronic Obstructive Pulmonary Disease 25
Diabetes 32
Dementia 6
Cancer 16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2014 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 30
lab tests 496

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 160
Female 125
Ethnicity
Non-Hispanic White 250
Black 23
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 143
From 75 to 84 65
85 and over 15
Less than 65 62

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2014

Hypertension 72
High Cholesterol 49
Stroke 7
Ischemic Heart Disease 44
Depression 36
Chronic Kidney Disease 55
Asthma 6
Osteoperosis 7
Atrial Fibrilation 17
Heart Failure 25
Chronic Obstructive Pulmonary Disease 21
Diabetes 34
Dementia 7
Cancer 20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 20
lab tests 551

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 348
Female 306
Ethnicity
Non-Hispanic White 560
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 330
From 75 to 84 148
85 and over 24
Less than 65 152

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2015

Hypertension 72
High Cholesterol 50
Stroke 12
Ischemic Heart Disease 41
Depression 33
Chronic Kidney Disease 43
Asthma 15
Osteoperosis 12
Atrial Fibrilation 12
Heart Failure 23
Chronic Obstructive Pulmonary Disease 22
Diabetes 29
Dementia 7
Cancer 18

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2016 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 28
lab tests 455

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 161
Female 140
Ethnicity
Non-Hispanic White 261
Black 27
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 153
From 75 to 84 72
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2016

Hypertension 71
High Cholesterol 50
Stroke 7
Ischemic Heart Disease 41
Depression 32
Chronic Kidney Disease 51
Asthma 23
Osteoperosis 8
Atrial Fibrilation 14
Heart Failure 28
Chronic Obstructive Pulmonary Disease 21
Diabetes 33
Dementia 8
Cancer 18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2017 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 30
lab tests 522

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 180
Female 146
Ethnicity
Non-Hispanic White 273
Black 35
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 166
From 75 to 84 83
85 and over 18
Less than 65 59

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2017

Hypertension 74
High Cholesterol 52
Stroke 10
Ischemic Heart Disease 42
Depression 33
Chronic Kidney Disease 57
Asthma 8
Osteoperosis 12
Atrial Fibrilation 16
Heart Failure 31
Chronic Obstructive Pulmonary Disease 22
Diabetes 32
Dementia 11
Cancer 16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2018 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 53
lab tests 1060

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 248
Female 184
Ethnicity
Non-Hispanic White 368
Black 49
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 200
From 75 to 84 119
85 and over 23
Less than 65 90

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2018

Hypertension 73
High Cholesterol 56
Stroke 9
Ischemic Heart Disease 44
Depression 33
Chronic Kidney Disease 62
Asthma 6
Osteoperosis 9
Atrial Fibrilation 16
Heart Failure 32
Chronic Obstructive Pulmonary Disease 23
Diabetes 33
Dementia 13
Cancer 15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2019 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 28
lab tests 883

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 257
Female 192
Ethnicity
Non-Hispanic White 383
Black 40
Hispanic 0
Asian 0
Other 11
Native American 0
Age
From 65 to 74 231
From 75 to 84 116
85 and over 32
Less than 65 70

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2019

Hypertension 74
High Cholesterol 56
Stroke 8
Ischemic Heart Disease 47
Depression 33
Chronic Kidney Disease 64
Asthma 9
Osteoperosis 11
Atrial Fibrilation 19
Heart Failure 35
Chronic Obstructive Pulmonary Disease 25
Diabetes 32
Dementia 16
Cancer 20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 26
lab tests 638

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 187
Female 160
Ethnicity
Non-Hispanic White 295
Black 41
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 189
From 75 to 84 94
85 and over 16
Less than 65 48

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2020

Hypertension 71
High Cholesterol 55
Stroke 6
Ischemic Heart Disease 46
Depression 29
Chronic Kidney Disease 61
Asthma 8
Osteoperosis 11
Atrial Fibrilation 16
Heart Failure 31
Chronic Obstructive Pulmonary Disease 16
Diabetes 35
Dementia 12
Cancer 15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2021 were lab tests.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

lab tests 1084

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 201
Female 158
Ethnicity
Non-Hispanic White 315
Black 26
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 201
From 75 to 84 91
85 and over 13
Less than 65 54

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2021

Hypertension 72
High Cholesterol 61
Stroke 9
Ischemic Heart Disease 43
Depression 25
Chronic Kidney Disease 58
Asthma 6
Osteoperosis 11
Atrial Fibrilation 16
Heart Failure 30
Chronic Obstructive Pulmonary Disease 21
Diabetes 34
Dementia 13
Cancer 17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO during 2022 were lab tests and cytology.

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

cytology 12
lab tests 1117

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 172
Female 161
Ethnicity
Non-Hispanic White 288
Black 31
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 178
From 75 to 84 98
85 and over 14
Less than 65 43

Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD in 2022

Hypertension 75
High Cholesterol 71
Stroke 12
Ischemic Heart Disease 33
Depression 31
Chronic Kidney Disease 37
Asthma 13
Osteoperosis 17
Atrial Fibrilation 29
Heart Failure 31
Chronic Obstructive Pulmonary Disease 26
Diabetes 31
Dementia 7
Cancer 28

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Lawrence Frater JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. John Lawrence Frater JR., MD treated as a hematopathologist in Saint Louis, MO were lab tests, cytology and second opinions.

cytology 28
lab tests 770
second opinions 23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Lawrence Frater JR., MD.

Gender
Male 191
Female 157
Ethnicity
Black / African American 28
Asian / Pacific Islander 0
Non-Hispanic White 299
Hispanic 0
Native American / Alaskan Native 0
Other 1
Age
75 to 84 87
85 and over 15
Less than 65 59
65 to 74 179

Average of Total of Conditions of Medicare patients treated by Dr. John Lawrence Frater JR., MD From 2012 - 2022

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

Hypertension 66
High Cholesterol 50
Stroke 8
Ischemic Heart Disease 38
Depression 29
Chronic Kidney Disease 49
Asthma 9
Osteoporosis 9
Heart Failure 27
Chronic Obstructive Pulmonary Disease 20
Diabetes 29
Atrial Fibrillation 15
Cancer 16
Dementia 9

Education & Training

Dr. John Lawrence Frater JR., MD graduated from University of Toledo College of Medicine in 1996. He is certified by the Anatomical and Clinical Pathology Hematology and has a state license in Missouri.

Medical School: University of Toledo College of Medicine (1996)

Board Certification: Anatomical and Clinical Pathology Hematology

Licensed In: Missouri

Affiliations & Hospitals

Dr. John Lawrence Frater JR., MD is associated with these hospitals and organizations:

WashU Medicine
Washington University in St. Louis (WUSTL)
Barnes-Jewish Hospital

Ratings & Reviews

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General Payments

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

Payments by Company
AstraZeneca Pharmaceuticals LP $70 BRILINTA
$70
Types of Payments
Food and Beverage $70

Biography

Dr. John Frater is a specialist in hematopathology. He is professionally affiliated with WashU Medicine and Barnes-Jewish Hospital. Dr. Frater graduated from the University of Toledo College of Medicine.

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