Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers

Dr. Shirish A. Mahajan, MD

(No ratings)

Specializes in: Adult Oncology and Adult Hematology

310 Hartnell Avenue
Redding, CA 96002

(530) 244-2223

Dr. Shirish A. Mahajan, MD is an oncologist in Redding, CA specializing in adult oncology and adult hematology.

Office Locations

310 Hartnell Avenue
Redding, CA 96002

(530) 244-2223

(530) 244-4799

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

doctor visit	304

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2014 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	31
blood draw	182
chemotherapy	31
doctor visit	197
hospital care	80
inpatient care	80
lab tests	205
minimally invasive procedures	73

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	78
Female	87

**Ethnicity**
Non-Hispanic White	118
Black	15
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	47
85 and over	20
Less than 65	29

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2014

Hypertension	69
High Cholesterol	43
Stroke	10
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	26
Dementia	10
Cancer	33

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2015 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

aspiration	11
biological response modifier (BRM) therapy	314
blood draw	922
bone marrow tests	23
chemotherapy	314
diagnostic procedures	12
doctor visit	832
hospital care	92
inpatient care	92
lab tests	942
minimally invasive procedures	428
port flush	36

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	324
Female	416

**Ethnicity**
Non-Hispanic White	550
Black	0
Hispanic	56
Asian	68
Other	0
Native American	0

**Age**
From 65 to 74	342
From 75 to 84	206
85 and over	82
Less than 65	110

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2015

Hypertension	66
High Cholesterol	45
Stroke	6
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	39
Asthma	15
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	8
Cancer	34

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2016 were blood draw, lab tests, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	138
blood draw	662
chemotherapy	138
doctor visit	454
lab tests	607
minimally invasive procedures	252

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	71
Female	105

**Ethnicity**
Non-Hispanic White	91
Black	0
Hispanic	23
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	43
85 and over	18
Less than 65	37

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2016

Hypertension	68
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	44
Asthma	22
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	9
Cancer	30

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	210
blood draw	599
chemotherapy	210
doctor visit	440
hospital care	30
inpatient care	30
lab tests	685
minimally invasive procedures	268
port flush	54

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	91
Female	123

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	29
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	57
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2017

Hypertension	69
High Cholesterol	41
Stroke	7
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	7
Cancer	36

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2018 were blood draw, lab tests, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	282
blood draw	874
chemotherapy	282
doctor visit	558
hospital care	37
inpatient care	37
lab tests	770
minimally invasive procedures	337
port flush	85

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	123
Female	154

**Ethnicity**
Non-Hispanic White	119
Black	38
Hispanic	39
Asian	70
Other	11
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	73
85 and over	24
Less than 65	55

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2018

Hypertension	73
High Cholesterol	48
Stroke	8
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	41
Dementia	7
Cancer	40

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2019 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	360
blood draw	969
chemotherapy	360
doctor visit	801
lab tests	1033
minimally invasive procedures	452
port flush	34

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	162
Female	187

**Ethnicity**
Non-Hispanic White	113
Black	53
Hispanic	58
Asian	109
Other	16
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	100
85 and over	31
Less than 65	69

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2019

Hypertension	70
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	47
Asthma	8
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	41
Dementia	9
Cancer	39

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	320
blood draw	733
chemotherapy	320
doctor visit	808
lab tests	808
minimally invasive procedures	406
port flush	40

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	151
Female	207

**Ethnicity**
Non-Hispanic White	121
Black	55
Hispanic	61
Asian	106
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	97
85 and over	22
Less than 65	76

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2020

Hypertension	71
High Cholesterol	50
Stroke	7
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	42
Dementia	8
Cancer	42

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA during 2021 were lab tests, minimally invasive procedures, blood draw and chemotherapy.

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

biological response modifier (BRM) therapy	266
blood draw	301
chemotherapy	266
doctor visit	605
lab tests	527
minimally invasive procedures	322
port flush	52

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	113
Female	157

**Ethnicity**
Non-Hispanic White	90
Black	46
Hispanic	43
Asian	79
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	69
85 and over	13
Less than 65	53

Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD in 2021

Hypertension	68
High Cholesterol	48
Stroke	4
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	40
Asthma	8
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	40
Dementia	12
Cancer	46

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Shirish A. Mahajan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Shirish A. Mahajan, MD treated as an oncologist in Redding, CA were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	11
biological response modifier (BRM) therapy	240
blood draw	655
bone marrow tests	23
chemotherapy	240
diagnostic procedures	12
doctor visit	555
hospital care	59
inpatient care	59
lab tests	697
minimally invasive procedures	317

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Shirish A. Mahajan, MD.

**Gender**
Male	123
Female	159

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	58
Non-Hispanic White	144
Native American / Alaskan Native	0
Hispanic	36
Other	3

**Age**
75 to 84	76
85 and over	23
Less than 65	47
65 to 74	128

Average of Total of Conditions of Medicare patients treated by Dr. Shirish A. Mahajan, MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Shirish A. Mahajan, MD treated were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	61
High Cholesterol	40
Stroke	5
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	37
Asthma	10
Osteoporosis	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Atrial Fibrillation	9
Cancer	33
Dementia	7

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

Dr. Shirish A. Mahajan, MD does not have any reviews yet, be the first to leave a review of Dr. Shirish A. Mahajan, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Amgen Inc.	$2,008 XGEVA $1,095	Kyprolis $378	LUMAKRAS $121	Vectibix $51	NEUPOGEN $25	Other $337
E.R. Squibb & Sons, L.L.C.	$1,512 OPDIVO $622	ONUREG $228	EMPLICITI $173	Pomalyst $125	YERVOY $46	Other $318
Novartis Pharmaceuticals Corporation	$1,209 TASIGNA $374	PROMACTA $312	AFINITOR $147	VOTRIENT $117	TAFINLAR $53	Other $206
Janssen Biotech, Inc.	$989 IMBRUVICA $530	Erleada $222	DARZALEX $152	Balversa $35	YONDELIS $18	Other $33
Astellas Pharma US Inc	$965 XTANDI $236	TARCEVA $77	PADCEV $69	$582
Other	$10,761 Lenvima $718	KEYTRUDA $653	Rubraca $381	SIR-Spheres microspheres $381	IMBRUVICA $301	Other $8,328

**Types of Payments**
Food and Beverage	$15,216
Education	$2,128
Gift	$100

Biography

Dr. Shirish Mahajan, who practices in Redding, CA, is a medical specialist in adult hematology and adult oncology. Dr. Mahajan obtained a license to practice in California.