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Home > MO Providers > Radiation Oncologists

Dr. Andrew Joseph Leiker, MD

(Andrew J. Leiker)

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Specializes in: Radiation Oncology

Medical College of Wisconsin

1 Hospital Drive
Columbia, MO

(573) 882-4141

Dr. Andrew Joseph Leiker, MD is a radiation oncologist in Columbia, MO specializing in radiation oncology. He graduated from Medical College of Wisconsin. Dr. Andrew Joseph Leiker, MD is affiliated with University of Missouri Health Care, MISSOURI CANCER ASSOCIATES LLC and THE CURATORS OF THE UNIVERSITY OF MISSOURI.

Office Locations

University of Missouri Health Care

1 Hospital Drive
Columbia, MO

(573) 882-4141

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1705 E Broadway Suite 100
Columbia, MO 65201

(573) 874-7800

(573) 443-3627

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54 Hospital Drive
Osage Beach, MO 65065

(573) 348-8000

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One Hospital Dr
Columbia, MO 65212

(573) 882-8643

(573) 882-8817

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Noteworthy Medicare Patient Procedures Performed by Dr. Andrew Joseph Leiker, MD in 2023

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

Top 5%

By Affordability:

conventional external beam radiation therapy

In 2023, Dr. Andrew Joseph Leiker, MD had a list price for conventional external beam radiation therapy that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

radiation therapy

In 2013, Dr. Andrew Joseph Leiker, MD performed more radiation therapy procedures for Medicare patients than 75% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Andrew Joseph Leiker, MD treated as a radiation oncologist in Columbia, MO during 2020 were radiation therapy.

Volume of procedures performed by Dr. Andrew Joseph Leiker, MD for Medicare patients.

doctor visit	123
radiation therapy	53

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Joseph Leiker, MD.

**Gender**
Male	149
Female	120

**Ethnicity**
Non-Hispanic White	256
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	80
85 and over	26
Less than 65	28

Conditions of Medicare patients treated by Dr. Andrew Joseph Leiker, MD in 2020

The most common conditions of Medicare patients that Dr. Andrew Joseph Leiker, MD treated during 2020 were hypertension, cancer, high cholesterol and ischemic heart disease.

Hypertension	69
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	33
Diabetes	23
Dementia	7
Cancer	67

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Andrew Joseph Leiker, MD treated as a radiation oncologist in Columbia, MO during 2021 were radiation therapy.

Volume of procedures performed by Dr. Andrew Joseph Leiker, MD for Medicare patients.

doctor visit	390
radiation therapy	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Joseph Leiker, MD.

**Gender**
Male	226
Female	196

**Ethnicity**
Non-Hispanic White	403
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	135
85 and over	40
Less than 65	40

Conditions of Medicare patients treated by Dr. Andrew Joseph Leiker, MD in 2021

The most common conditions of Medicare patients that Dr. Andrew Joseph Leiker, MD treated during 2021 were hypertension, cancer, high cholesterol and ischemic heart disease.

Hypertension	70
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	26
Diabetes	24
Dementia	10
Cancer	69

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Andrew Joseph Leiker, MD treated as a radiation oncologist in Columbia, MO during 2022 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Andrew Joseph Leiker, MD for Medicare patients.

doctor visit	461
image guided procedures	11
radiation therapy	131

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Joseph Leiker, MD.

**Gender**
Male	288
Female	255

**Ethnicity**
Non-Hispanic White	501
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	176
85 and over	38
Less than 65	33

Conditions of Medicare patients treated by Dr. Andrew Joseph Leiker, MD in 2022

The most common conditions of Medicare patients that Dr. Andrew Joseph Leiker, MD treated during 2022 were cancer, hypertension, high cholesterol and chronic obstructive pulmonary disease.

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	28
Diabetes	27
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Andrew Joseph Leiker, MD treated as a radiation oncologist in Columbia, MO during 2023 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Andrew Joseph Leiker, MD for Medicare patients.

doctor visit	453
image guided procedures	16
radiation therapy	170

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Andrew Joseph Leiker, MD.

**Gender**
Male	313
Female	261

**Ethnicity**
Non-Hispanic White	546
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	223
85 and over	48
Less than 65	27

Conditions of Medicare patients treated by Dr. Andrew Joseph Leiker, MD in 2023

The most common conditions of Medicare patients that Dr. Andrew Joseph Leiker, MD treated during 2023 were cancer, hypertension, high cholesterol and chronic obstructive pulmonary disease.

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	18
Chronic Obstructive Pulmonary Disease	29
Diabetes	28
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2020 - 2023

Volume of procedures performed by Dr. Andrew Joseph Leiker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Andrew Joseph Leiker, MD treated as a radiation oncologist in Columbia, MO were radiation therapy and image guided procedures.

doctor visit	356
image guided procedures	13
radiation therapy	96

Average Medicare Patient Data From 2020 - 2023

Information about Medicare patients treated by Dr. Andrew Joseph Leiker, MD.

**Gender**
Male	244
Female	208

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	0
Non-Hispanic White	426
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	153
85 and over	38
Less than 65	32
65 to 74	228

Average of Total of Conditions of Medicare patients treated by Dr. Andrew Joseph Leiker, MD From 2020 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Andrew Joseph Leiker, MD treated were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	72
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	24
Asthma	6
Osteoporosis	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	29
Diabetes	25
Atrial Fibrillation	15
Cancer	71
Dementia	6

Education & Training

Dr. Andrew Joseph Leiker, MD graduated from Medical College of Wisconsin. He completed residency at University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals. He is certified by the American Board of Radiology/Radiation Oncology and has a state license in Missouri.

Medical School: Medical College of Wisconsin

Residency: University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals

Board Certification: American Board of Radiology/Radiation Oncology

Licensed In: Missouri

Affiliations & Hospitals

Dr. Andrew Joseph Leiker, MD is associated with these hospitals and organizations:

University of Missouri Health Care

MISSOURI CANCER ASSOCIATES LLC

THE CURATORS OF THE UNIVERSITY OF MISSOURI

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General Payments

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

**Payments by Company**
Merck Sharp & Dohme LLC	$527 KEYTRUDA $416	LYNPARZA $67	WELIREG $44
Novocure Inc.	$513 Optune $513
Novartis Pharmaceuticals Corporation	$345 KISQALI $130	PLUVICTO $108	PIQRAY $61	PROMACTA $25	$21
Janssen Biotech, Inc.	$319 TALVEY $70	Erleada $66	DARZALEX $56	Balversa $45	CARVYKTI $35	Other $48
AstraZeneca Pharmaceuticals LP	$158 Enhertu $87	LYNPARZA $16	$54
Other	$1,285 GammaTile $126	JAYPIRCA $117	Cabometyx $69	LIBTAYO $63	Enhertu $58	Other $853

**Types of Payments**
Food and Beverage	$3,146

Biography

Dr. Andrew Leiker works as a radiation oncology. After completing medical school at Medical College of Wisconsin, he performed his residency at a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas. Dr. Leiker is professionally affiliated with the University of Missouri Health Care.