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Dr. Mary L. Mayer, MD

Accepting New Patients

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

Indiana University School of Medicine

7979 N Shadeland Avenue Suite 200
Indianapolis, IN 46250

(317) 621-4300

Dr. Mary L. Mayer, MD is a medical oncologist in Indianapolis, IN specializing in medical oncology, adult oncology and adult hematology. She graduated from Indiana University School of Medicine. Dr. Mary L. Mayer, MD is affiliated with Franciscan Health System and COMMUNITY PHYSICIANS OF INDIANA INC.

Office Locations

Franciscan Health System

1440 E. County Line Road
Indianapolis, IN 46227

(317) 497-6270

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7979 N Shadeland Avenue Suite 200
Indianapolis, IN 46250

(317) 621-4300

(317) 621-4301

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8111 S. Emerson Avenue
Indianapolis, IN 46237

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In The News

“With the drugs taxing her system more and more, Brunning's oncologist, Dr. Mary Lou Mayer at Community Regional Cancer Care, suggested taking a break from chemotherapy.”—"Jessica's Journey: Woman battles ups, downs of cancer diagnosis", Daily Journal, July 2017

Noteworthy Medicare Patient Procedures Performed by Dr. Mary L. Mayer, MD in 2023

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

Top 5%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Mary L. Mayer, 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 95% of providers in related specialties within Indiana. 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. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2012 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

aspiration	22
biological response modifier (BRM) therapy	887
blood draw	1480
bone marrow tests	45
chemotherapy	887
diagnostic procedures	45
doctor visit	4238
hospital care	718
inpatient care	703
minimally invasive procedures	1020
outpatient care	15
port flush	77

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2013 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

aspiration	24
biological response modifier (BRM) therapy	795
blood draw	1548
bone marrow tests	49
chemotherapy	795
diagnostic procedures	49
doctor visit	4388
hospital care	690
inpatient care	651
minimally invasive procedures	964
outpatient care	39
port flush	60

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	456
Female	1140

**Ethnicity**
Non-Hispanic White	1554
Black	11
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	723
From 75 to 84	544
85 and over	176
Less than 65	153

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2013

Hypertension	70
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	36
Depression	24
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	7
Cancer	47

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2014 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

aspiration	13
biological response modifier (BRM) therapy	620
blood draw	1453
bone marrow tests	26
chemotherapy	620
diagnostic procedures	26
doctor visit	4200
hospital care	414
inpatient care	402
minimally invasive procedures	677
outpatient care	12
port flush	38

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	427
Female	1102

**Ethnicity**
Non-Hispanic White	1489
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	703
From 75 to 84	512
85 and over	184
Less than 65	130

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2014

Hypertension	71
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	6
Cancer	48

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	3873
hospital care	324
inpatient care	324

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	854
Female	2196

**Ethnicity**
Non-Hispanic White	2956
Black	30
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	1368
From 75 to 84	1024
85 and over	372
Less than 65	286

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2015

Hypertension	71
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	28
Asthma	14
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	7
Cancer	50

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2016 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

aspiration	11
bone marrow tests	22
diagnostic procedures	22
doctor visit	3562
hospital care	346
inpatient care	332
outpatient care	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	359
Female	1033

**Ethnicity**
Non-Hispanic White	1343
Black	21
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	636
From 75 to 84	456
85 and over	161
Less than 65	139

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2016

Hypertension	69
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	32
Asthma	23
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	8
Cancer	50

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	3650
hospital care	323
inpatient care	323

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	362
Female	1034

**Ethnicity**
Non-Hispanic White	1345
Black	22
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	637
From 75 to 84	477
85 and over	166
Less than 65	116

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2017

Hypertension	72
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	9
Cancer	50

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	3585
hospital care	342
inpatient care	342

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	354
Female	1000

**Ethnicity**
Non-Hispanic White	1295
Black	24
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	624
From 75 to 84	466
85 and over	157
Less than 65	107

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2018

Hypertension	72
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	8
Cancer	49

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	3757
hospital care	235
inpatient care	235

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	337
Female	991

**Ethnicity**
Non-Hispanic White	1275
Black	17
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	623
From 75 to 84	436
85 and over	163
Less than 65	106

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2019

Hypertension	72
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	8
Cancer	50

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	3232
hospital care	177
inpatient care	177

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	319
Female	926

**Ethnicity**
Non-Hispanic White	1198
Black	0
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	626
From 75 to 84	405
85 and over	139
Less than 65	75

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2020

Hypertension	68
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	8
Cancer	50

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	3255
hospital care	193
inpatient care	193

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	292
Female	916

**Ethnicity**
Non-Hispanic White	1152
Black	15
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	563
From 75 to 84	445
85 and over	132
Less than 65	68

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2021

Hypertension	67
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Dementia	8
Cancer	49

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

doctor visit	2736
hospital care	142
inpatient care	142

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	207
Female	815

**Ethnicity**
Non-Hispanic White	972
Black	12
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	477
From 75 to 84	386
85 and over	98
Less than 65	61

Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD in 2022

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	23
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	4
Cancer	65

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mary L. Mayer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary L. Mayer, MD treated as a medical oncologist in Indianapolis, IN were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

aspiration	17
biological response modifier (BRM) therapy	767
blood draw	1493
bone marrow tests	35
chemotherapy	767
diagnostic procedures	35
doctor visit	3679
hospital care	354
inpatient care	347
minimally invasive procedures	887
outpatient care	20

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mary L. Mayer, MD.

**Gender**
Male	360
Female	1013

**Ethnicity**
Black / African American	13
Asian / Pacific Islander	0
Non-Hispanic White	1325
Hispanic	0
Native American / Alaskan Native	0
Other	17

**Age**
75 to 84	468
85 and over	158
Less than 65	112
65 to 74	634

Average of Total of Conditions of Medicare patients treated by Dr. Mary L. Mayer, MD From 2012 - 2022

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

Hypertension	64
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	27
Asthma	9
Osteoporosis	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Atrial Fibrillation	11
Cancer	46
Dementia	6

Education & Training

Dr. Mary L. Mayer, MD graduated from Indiana University School of Medicine. She completed residency at Indiana University Affiliated Hospitals. She is certified by the Medical Oncology, American Board of Internal Medicine and has a state license in Indiana.

Medical School: Indiana University School of Medicine

Residency: Indiana University Affiliated Hospitals

Board Certification: Medical Oncology, American Board of Internal Medicine

Licensed In: Indiana

Affiliations & Hospitals

Dr. Mary L. Mayer, MD is associated with these hospitals and organizations:

Franciscan Health System

COMMUNITY PHYSICIANS OF INDIANA INC

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General Payments

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

**Payments by Company**
Pfizer Inc.	$489 IBRANCE $113	ELIQUIS $98	SUTENT $85	INLYTA $64	BAVENCIO $37	Other $92
AstraZeneca Pharmaceuticals LP	$372 IMFINZI $138	LYNPARZA $111	IRESSA $45	FASLODEX $29	TAGRISSO $29	Other $19
Celgene Corporation	$212 Abraxane $189	Revlimid $24
E.R. Squibb & Sons, L.L.C.	$180 OPDIVO $155	SPRYCEL $13	ELIQUIS $11
Novartis Pharmaceuticals Corporation	$169 KISQALI $89	AFINITOR $40	VOTRIENT $26	Exjade $15
Other	$1,319 DARZALEX $160	Rubraca $125	SIR-Spheres microspheres $104	XARELTO $96	Gammaplex $78	Other $757

**Types of Payments**
Food and Beverage	$2,534
Education	$208

Research Payments

Dr. Mary L. Mayer, MD has received 139 research payments totaling $243,272.

Biography

Dr. Mary Mayer's areas of specialization are adult hematology, adult oncology, and medical oncology. She attended Indiana University School of Medicine and then went on to complete her residency at a hospital affiliated with Indiana University. She is affiliated with Franciscan Health System. Franciscan Health reports that Dr. Mayer is accepting new patients at her office in Indianapolis, IN.