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Dr. Kathryn M. Diemer, MD

(96 Ratings)

Specializes in: Adult Endocrinology

University of Missouri-Kansas City School of Medicine (1985)

Professional interests include: hypocalcemia (calcium deficiency), osteopenia (low bone density), bone diseases, and more.

10 Barnes West Drive Suite: Suite 200
Creve Coeur, MO 63141

(314) 454-7775

Dr. Kathryn M. Diemer, MD is an endocrinologist in Saint Louis, MO specializing in adult endocrinology. She graduated from University of Missouri-Kansas City School of Medicine in 1985 and has 41 years of experience. Dr. Kathryn M. Diemer, MD is affiliated with WashU Medicine.

Office Locations

10 Barnes West Drive Div Im Bone and Mineral, Suite 200
Saint Louis, MO 63141

(314) 454-7775

(314) 996-3087

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10 Barnes West Drive Suite: Suite 200
Creve Coeur, MO 63141

(314) 454-7775

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Noteworthy Medicare Patient Procedures Performed by Dr. Kathryn M. Diemer, MD in 2024

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

Top 5%

By Volume:

central DEXA

In 2024, Dr. Kathryn M. Diemer, MD performed more central DEXA procedures for Medicare patients than 95% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2012 were X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	824
musculoskeletal imaging	1249
X-rays	1249

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2013 were X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	863
musculoskeletal imaging	1362
X-rays	1362

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	146
Female	1476

**Ethnicity**
Non-Hispanic White	1461
Black	118
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	792
From 75 to 84	478
85 and over	154
Less than 65	198

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2013

Hypertension	52
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	59
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	15
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2014 were X-rays, musculoskeletal imaging and vertebral fracture assessment (VFA).

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	780
musculoskeletal imaging	1468
vertebral fracture assessment (VFA)	12
X-rays	1468

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	151
Female	1466

**Ethnicity**
Non-Hispanic White	1453
Black	112
Hispanic	0
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	811
From 75 to 84	458
85 and over	160
Less than 65	188

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2014

Hypertension	53
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	20
Depression	23
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	59
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	15
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2015 were X-rays, musculoskeletal imaging and vertebral fracture assessment (VFA).

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	784
musculoskeletal imaging	1443
vertebral fracture assessment (VFA)	32
X-rays	1443

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	368
Female	2920

**Ethnicity**
Non-Hispanic White	2930
Black	248
Hispanic	0
Asian	0
Other	62
Native American	0

**Age**
From 65 to 74	1658
From 75 to 84	878
85 and over	358
Less than 65	394

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2015

Hypertension	52
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	16
Asthma	9
Osteoperosis	60
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	16
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2016 were X-rays, musculoskeletal imaging, pulmonary testing and minimally invasive procedures.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

blood draw	15
doctor visit	807
lab tests	15
minimally invasive procedures	17
musculoskeletal imaging	1851
pulmonary testing	27
X-rays	1851

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	221
Female	1667

**Ethnicity**
Non-Hispanic White	1683
Black	132
Hispanic	0
Asian	0
Other	45
Native American	0

**Age**
From 65 to 74	937
From 75 to 84	528
85 and over	199
Less than 65	224

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2016

Hypertension	52
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	19
Depression	22
Chronic Kidney Disease	18
Asthma	13
Osteoperosis	58
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	16
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2017 were X-rays, musculoskeletal imaging, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	840
immunotherapy	20
injections	20
minimally invasive procedures	24
musculoskeletal imaging	2078
X-rays	2078

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	314
Female	1882

**Ethnicity**
Non-Hispanic White	1955
Black	134
Hispanic	0
Asian	34
Other	55
Native American	0

**Age**
From 65 to 74	1109
From 75 to 84	603
85 and over	213
Less than 65	271

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2017

Hypertension	51
High Cholesterol	39
Stroke	2
Ischemic Heart Disease	20
Depression	24
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	60
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	16
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2018 were X-rays, musculoskeletal imaging and minimally invasive procedures.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	830
minimally invasive procedures	27
musculoskeletal imaging	2093
X-rays	2093

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	298
Female	1888

**Ethnicity**
Non-Hispanic White	1952
Black	129
Hispanic	0
Asian	20
Other	69
Native American	0

**Age**
From 65 to 74	1105
From 75 to 84	639
85 and over	204
Less than 65	238

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2018

Hypertension	51
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	21
Depression	25
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	62
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	15
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2019 were X-rays, musculoskeletal imaging and minimally invasive procedures.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	879
minimally invasive procedures	41
musculoskeletal imaging	1872
X-rays	1872

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	238
Female	1737

**Ethnicity**
Non-Hispanic White	1795
Black	83
Hispanic	0
Asian	24
Other	59
Native American	0

**Age**
From 65 to 74	1012
From 75 to 84	595
85 and over	197
Less than 65	171

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2019

Hypertension	51
High Cholesterol	48
Stroke	2
Ischemic Heart Disease	21
Depression	24
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	64
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	15
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2020 were X-rays, musculoskeletal imaging and minimally invasive procedures.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	633
minimally invasive procedures	25
musculoskeletal imaging	1277
X-rays	1277

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	165
Female	1280

**Ethnicity**
Non-Hispanic White	1314
Black	55
Hispanic	0
Asian	0
Other	55
Native American	0

**Age**
From 65 to 74	750
From 75 to 84	454
85 and over	140
Less than 65	101

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2020

Hypertension	48
High Cholesterol	48
Stroke	2
Ischemic Heart Disease	19
Depression	22
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	67
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	14
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2021 were X-rays, musculoskeletal imaging, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	927
immunotherapy	11
injections	11
minimally invasive procedures	14
musculoskeletal imaging	1862
X-rays	1862

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	222
Female	1770

**Ethnicity**
Non-Hispanic White	1830
Black	57
Hispanic	16
Asian	0
Other	73
Native American	0

**Age**
From 65 to 74	1022
From 75 to 84	641
85 and over	198
Less than 65	131

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2021

Hypertension	49
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	18
Depression	23
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	69
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	14
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2022 were X-rays, musculoskeletal imaging and minimally invasive procedures.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	654
minimally invasive procedures	21
musculoskeletal imaging	1766
X-rays	1766

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	215
Female	1697

**Ethnicity**
Non-Hispanic White	1748
Black	57
Hispanic	0
Asian	0
Other	78
Native American	0

**Age**
From 65 to 74	920
From 75 to 84	682
85 and over	209
Less than 65	101

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2022

Hypertension	57
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	15
Depression	21
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	75
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	13
Dementia	4
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2023 were X-rays, musculoskeletal imaging and minimally invasive procedures.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	489
minimally invasive procedures	12
musculoskeletal imaging	1783
X-rays	1783

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	202
Female	1686

**Ethnicity**
Non-Hispanic White	1722
Black	54
Hispanic	0
Asian	0
Other	84
Native American	0

**Age**
From 65 to 74	878
From 75 to 84	731
85 and over	205
Less than 65	74

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2023

Hypertension	57
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	15
Depression	22
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	75
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	14
Dementia	4
Cancer	22

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO during 2024 were X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

doctor visit	482
musculoskeletal imaging	1489
X-rays	1489

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Male	148
Female	1428

**Ethnicity**
Non-Hispanic White	1440
Black	50
Hispanic	0
Asian	0
Other	61
Native American	0

**Age**
From 65 to 74	713
From 75 to 84	620
85 and over	194
Less than 65	49

Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD in 2024

Hypertension	57
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	15
Depression	21
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	75
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	12
Dementia	5
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Kathryn M. Diemer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kathryn M. Diemer, MD treated as an endocrinologist in Saint Louis, MO were X-rays, musculoskeletal imaging, pulmonary testing and minimally invasive procedures.

blood draw	15
doctor visit	753
immunotherapy	15
injections	15
lab tests	15
minimally invasive procedures	22
musculoskeletal imaging	1661
pulmonary testing	27
vertebral fracture assessment (VFA)	22
X-rays	1661

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Kathryn M. Diemer, MD.

**Gender**
Female	1607
Male	206

**Ethnicity**
Black / African American	94
Asian / Pacific Islander	6
Non-Hispanic White	1637
Native American / Alaskan Native	0
Hispanic	1
Other	53

**Age**
85 and over	187
75 to 84	562
Less than 65	164
65 to 74	900

Average of Total of Conditions of Medicare patients treated by Dr. Kathryn M. Diemer, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Kathryn M. Diemer, MD treated were osteoperosis, hypertension, high cholesterol and depression.

Hypertension	48
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	17
Depression	20
Chronic Kidney Disease	16
Asthma	8
Osteoporosis	60
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	13
Atrial Fibrillation	7
Cancer	16
Dementia	5

Education & Training

Dr. Kathryn M. Diemer, MD graduated from University of Missouri-Kansas City School of Medicine in 1985. She completed residency at Barnes-Jewish Hospital. She is certified by the Board Certification: Internal Medicine and has a state license in Missouri.

Medical School: University of Missouri-Kansas City School of Medicine (1985)

Residency: Barnes-Jewish Hospital (1990)

Board Certification: Board Certification: Internal Medicine

Licensed In: Missouri

Ratings & Reviews

Dr. Kathryn M. Diemer, MD has an exceptional overall rating with an average of 4.64 out of 5 stars based on 96 ratings. We collect ratings and reviews of Dr. Kathryn M. Diemer, MD from all over the web to help you find the right in Saint Louis, MO.

4.64

Overall Rating

(96 Ratings)

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General Payments

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

**Payments by Company**
Amgen Inc.	$143,224 Prolia $90,082	EVENITY $18,163	XGEVA $43	$34,936
Radius Health, Inc.	$45,369 Tymlos $45,369
Lilly USA, LLC	$3,090 FORTEO $3,090
HOLOGIC INC	$2,963 3D MAMMOGRAPHY $2,098	Genius 3D $865
Alexion Pharmaceuticals, Inc.	$122 $122
Other	$109 NON-PRODUCT $83	TANZEUM $16	INTRAROSA $11

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$149,012
Travel and Lodging	$23,689
Consulting Fee	$15,478
Food and Beverage	$6,698

Biography

Dr. Kathryn Diemer's area of specialization is adult endocrinology. She is a graduate of the University of Missouri-Kansas City School of Medicine. For her professional training, Dr. Diemer completed a residency program at Barnes-Jewish Hospital. These areas are among her clinical interests: osteoporosis, osteopenia (low bone density), and osteitis deformans (paget's disease of bone). Patient ratings for Dr. Diemer average 4.5 stars (out of 5). Dr. Diemer is affiliated with WashU Medicine and Barnes-Jewish Hospital.