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Dr. Sam Mazj, MD

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Specializes in: Adult Oncology and Adult Hematology

265 Cohasset Road Suite 170
Chico, CA 95926

(530) 893-2323

Dr. Sam Mazj, MD is an oncologist in Chico, CA specializing in adult oncology and adult hematology. Dr. Sam Mazj, MD is affiliated with U.S. Department of Veterans Affairs and ENLOE SPECIALTY PHYSICIANS, INC.

Office Locations

265 Cohasset Road Suite 170
Chico, CA 95926

(530) 893-2323

(530) 894-0935

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3350 La Jolla Village Drive San Diego Vahcs (664)
San Diego, CA 92161

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In The News (see more mentions in the news)

“The center's team will be anchored by providers who practiced in Paradise, led by medical oncologist and hematologist Dr. Sam Mazj.”—"Cancer center to open *", Chico News and Review, April 2019

“"As cancer care physicians, we know all about resilience, and we are excited to continue partnering with our patients on their cancer journey," said Dr. Sam Mazj, the oncologist on staff at the new...”—"New cancer care center opens in Chico", Enterprise-Record, April 2019

“"As cancer care physicians we know all about resilience, and we are excited to continue partnering with our patients on their cancer journey," said Dr. Sam Mazj.”—"Cancer care center for displaced Paradise residents opened by UC Davis Health, Adventist", The Sacramento Bee, April 2019

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

doctor visit	1152
hospital care	153
inpatient care	153

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2013 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

aspiration	31
bone marrow tests	63
diagnostic procedures	63
doctor visit	1590
hospital care	113
inpatient care	113

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	197
Female	340

**Ethnicity**
Non-Hispanic White	506
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	186
85 and over	68
Less than 65	61

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2013

Hypertension	61
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	5
Cancer	53

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2014 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

aspiration	34
bone marrow tests	68
diagnostic procedures	68
doctor visit	1698
hospital care	155
inpatient care	155

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	226
Female	365

**Ethnicity**
Non-Hispanic White	549
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	207
85 and over	82
Less than 65	57

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2014

Hypertension	60
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	26
Dementia	6
Cancer	52

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2015 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

aspiration	13
bone marrow tests	28
diagnostic procedures	28
doctor visit	1308
hospital care	135
inpatient care	135

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	420
Female	592

**Ethnicity**
Non-Hispanic White	946
Black	0
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	440
From 75 to 84	348
85 and over	138
Less than 65	86

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2015

Hypertension	55
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	25
Depression	19
Chronic Kidney Disease	29
Asthma	15
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	20
Diabetes	23
Dementia	6
Cancer	49

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2016 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

aspiration	11
bone marrow tests	22
diagnostic procedures	22
doctor visit	1275
hospital care	136
inpatient care	136

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	221
Female	273

**Ethnicity**
Non-Hispanic White	464
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	174
85 and over	57
Less than 65	56

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2016

Hypertension	60
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	33
Asthma	22
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	20
Diabetes	25
Dementia	7
Cancer	46

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2017 were hospital care, inpatient care, diagnostic procedures and bone marrow tests.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

bone marrow tests	12
diagnostic procedures	12
doctor visit	1433
hospital care	67
inpatient care	67

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	236
Female	291

**Ethnicity**
Non-Hispanic White	489
Black	0
Hispanic	15
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	180
85 and over	52
Less than 65	46

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2017

Hypertension	58
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	6
Cancer	50

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

doctor visit	1185
hospital care	28
inpatient care	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	220
Female	249

**Ethnicity**
Non-Hispanic White	433
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	162
85 and over	45
Less than 65	38

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2018

Hypertension	63
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	26
Depression	22
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	8
Cancer	49

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2019 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and port flush.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

biological response modifier (BRM) therapy	268
blood draw	41
chemotherapy	268
doctor visit	1670
hormone therapy	79
hospital care	12
inpatient care	12
minimally invasive procedures	340
port flush	98
preventive care	25
vaccines	25

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	217
Female	319

**Ethnicity**
Non-Hispanic White	505
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	174
85 and over	45
Less than 65	42

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2019

Hypertension	56
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	23
Depression	0
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	18
Diabetes	0
Dementia	7
Cancer	51

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2020 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and port flush.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

abdominal imaging	27
biological response modifier (BRM) therapy	563
blood draw	82
chemotherapy	563
doctor visit	2418
hormone therapy	147
minimally invasive procedures	840
musculoskeletal imaging	16
port flush	304
preventive care	35
ultrasound (sonogram)	27
vaccines	35
X-rays	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	241
Female	400

**Ethnicity**
Non-Hispanic White	585
Black	0
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	342
From 75 to 84	196
85 and over	52
Less than 65	51

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2020

Hypertension	60
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	6
Cancer	48

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2021 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and port flush.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

abdominal imaging	16
biological response modifier (BRM) therapy	608
blood draw	65
chemotherapy	608
doctor visit	2061
hormone therapy	152
minimally invasive procedures	780
musculoskeletal imaging	34
port flush	219
ultrasound (sonogram)	16
X-rays	34

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	245
Female	416

**Ethnicity**
Non-Hispanic White	605
Black	0
Hispanic	32
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	335
From 75 to 84	219
85 and over	52
Less than 65	55

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2021

Hypertension	62
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	7
Cancer	48

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA during 2022 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and hormone therapy.

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

biological response modifier (BRM) therapy	381
chemotherapy	381
doctor visit	1959
hormone therapy	79
minimally invasive procedures	446
port flush	49

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	286
Female	390

**Ethnicity**
Non-Hispanic White	624
Black	0
Hispanic	27
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	248
85 and over	70
Less than 65	44

Conditions of Medicare patients treated by Dr. Sam Mazj, MD in 2022

Hypertension	68
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	17
Atrial Fibrilation	19
Heart Failure	12
Chronic Obstructive Pulmonary Disease	21
Diabetes	24
Dementia	5
Cancer	54

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Sam Mazj, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sam Mazj, MD treated as an oncologist in Chico, CA were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and hormone therapy.

abdominal imaging	21
aspiration	22
biological response modifier (BRM) therapy	455
blood draw	62
bone marrow tests	38
chemotherapy	455
diagnostic procedures	38
doctor visit	1613
hormone therapy	114
hospital care	99
inpatient care	99
minimally invasive procedures	601
musculoskeletal imaging	25
preventive care	30
ultrasound (sonogram)	21
vaccines	30
X-rays	25

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Sam Mazj, MD.

**Gender**
Male	228
Female	330

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	518
Hispanic	21
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	190
85 and over	60
Less than 65	48
65 to 74	259

Average of Total of Conditions of Medicare patients treated by Dr. Sam Mazj, MD From 2012 - 2022

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

Hypertension	54
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	26
Asthma	9
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	20
Atrial Fibrillation	11
Cancer	45
Dementia	5

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Sam Mazj, MD is associated with these hospitals and organizations:

U.S. Department of Veterans Affairs

ENLOE SPECIALTY PHYSICIANS, INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Millennium Pharmaceuticals, Inc.	$27,689 VELCADE $15,154	NINLARO $12,535
Takeda Pharmaceuticals U.S.A., Inc.	$26,462 NINLARO $26,335	VELCADE $111	$16
Janssen Biotech, Inc.	$15,879 DARZALEX $12,734	TECVAYLI $744	IMBRUVICA $678	Erleada $207	Balversa $36	Other $1,480
AstraZeneca Pharmaceuticals LP	$8,461 CALQUENCE $6,812	IMFINZI $520	LYNPARZA $416	TAGRISSO $312	Enhertu $110	Other $291
Pfizer Inc.	$1,219 IBRANCE $431	TALZENNA $167	BOSULIF $84	ORGOVYX $80	SUTENT $58	Other $398
Other	$11,716 OPDIVO $674	Lenvima $470	Rubraca $391	KEYTRUDA $380	Venclexta $367	Other $9,433

**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	$66,784
Food and Beverage	$15,360
Consulting Fee	$4,100
Travel and Lodging	$2,673
Education	$2,510

Biography

Dr. Sam Mazj is an adult hematology and adult oncology specialist in Chico, CA and San Diego, CA. He is affiliated with U.S. Department of Veterans Affairs.