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Dr. Tosan A. Fregene, MD

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Specializes in: Medical Oncology, Adult Oncology and Adult Hematology

University of Lagos College of Medicine (1985)

20770 Greenfield Road Suite 1a
Oak Park, MI 48237

(248) 967-8800

Dr. Tosan A. Fregene, MD is a medical oncologist in Harper Woods, MI specializing in medical oncology, adult oncology and adult hematology. He graduated from University of Lagos College of Medicine in 1985 and has 41 years of experience. Dr. Tosan A. Fregene, MD is affiliated with Henry Ford Health, Henry Ford St. John Hospital and Henry Ford Providence Southfield & Novi Hospitals.

Office Locations

20051 Kelly Road
Harper Woods, MI 48225

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Henry Ford Providence Southfield & Novi Hospitals

20770 Greenfield Road Suite 1a
Oak Park, MI 48237

(248) 967-8800

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Noteworthy Medicare Patient Procedures Performed by Dr. Tosan A. Fregene, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. Tosan A. Fregene, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Michigan.

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Tosan A. Fregene, 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 75% of providers in related specialties within Michigan. 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. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2012 were hospital care, inpatient care, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

aspiration	16
biological response modifier (BRM) therapy	163
bone marrow tests	16
chemotherapy	163
doctor visit	1432
hospital care	4352
inpatient care	4352
minimally invasive procedures	163

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2013 were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

aspiration	17
biological response modifier (BRM) therapy	96
bone marrow tests	17
chemotherapy	96
doctor visit	1324
hospital care	4692
inpatient care	4692
minimally invasive procedures	154

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	368
Female	547

**Ethnicity**
Non-Hispanic White	0
Black	852
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	256
85 and over	133
Less than 65	215

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	17
Ischemic Heart Disease	72
Depression	30
Chronic Kidney Disease	64
Asthma	22
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	64
Chronic Obstructive Pulmonary Disease	47
Diabetes	62
Dementia	34
Cancer	42

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2014 were hospital care, inpatient care, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

aspiration	15
biological response modifier (BRM) therapy	139
bone marrow tests	15
chemotherapy	139
doctor visit	1157
hospital care	3450
inpatient care	3450
minimally invasive procedures	139

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	285
Female	456

**Ethnicity**
Non-Hispanic White	23
Black	706
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	243
From 75 to 84	208
85 and over	95
Less than 65	195

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2014

Hypertension	75
High Cholesterol	64
Stroke	18
Ischemic Heart Disease	73
Depression	30
Chronic Kidney Disease	64
Asthma	23
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	62
Chronic Obstructive Pulmonary Disease	46
Diabetes	67
Dementia	32
Cancer	42

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2015 were hospital care, inpatient care, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

biological response modifier (BRM) therapy	91
chemotherapy	91
doctor visit	1117
hospital care	3200
inpatient care	3200
minimally invasive procedures	91

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	506
Female	852

**Ethnicity**
Non-Hispanic White	0
Black	1288
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	478
From 75 to 84	364
85 and over	160
Less than 65	356

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	16
Ischemic Heart Disease	70
Depression	30
Chronic Kidney Disease	62
Asthma	31
Osteoperosis	4
Atrial Fibrilation	13
Heart Failure	62
Chronic Obstructive Pulmonary Disease	43
Diabetes	64
Dementia	30
Cancer	43

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	1076
hospital care	2655
inpatient care	2655

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	217
Female	360

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

**Age**
From 65 to 74	226
From 75 to 84	165
85 and over	72
Less than 65	114

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	17
Ischemic Heart Disease	63
Depression	28
Chronic Kidney Disease	67
Asthma	45
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	56
Chronic Obstructive Pulmonary Disease	44
Diabetes	62
Dementia	37
Cancer	46

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	1071
hospital care	2046
inpatient care	2046

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	217
Female	374

**Ethnicity**
Non-Hispanic White	0
Black	570
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	189
85 and over	61
Less than 65	121

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2017

Hypertension	75
High Cholesterol	56
Stroke	18
Ischemic Heart Disease	66
Depression	28
Chronic Kidney Disease	69
Asthma	16
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	59
Chronic Obstructive Pulmonary Disease	46
Diabetes	61
Dementia	36
Cancer	43

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	867
hospital care	1799
inpatient care	1799

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	185
Female	338

**Ethnicity**
Non-Hispanic White	17
Black	495
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	156
85 and over	57
Less than 65	112

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	20
Ischemic Heart Disease	66
Depression	33
Chronic Kidney Disease	71
Asthma	15
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	61
Chronic Obstructive Pulmonary Disease	46
Diabetes	65
Dementia	40
Cancer	43

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	809
hospital care	2158
inpatient care	2158

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	202
Female	367

**Ethnicity**
Non-Hispanic White	0
Black	542
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	150
85 and over	78
Less than 65	126

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2019

Hypertension	75
High Cholesterol	64
Stroke	18
Ischemic Heart Disease	66
Depression	33
Chronic Kidney Disease	69
Asthma	13
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	65
Chronic Obstructive Pulmonary Disease	0
Diabetes	64
Dementia	42
Cancer	40

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	538
hospital care	1867
inpatient care	1867

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	186
Female	251

**Ethnicity**
Non-Hispanic White	0
Black	398
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	91
85 and over	62
Less than 65	114

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2020

Hypertension	75
High Cholesterol	60
Stroke	16
Ischemic Heart Disease	64
Depression	28
Chronic Kidney Disease	71
Asthma	12
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	59
Chronic Obstructive Pulmonary Disease	50
Diabetes	62
Dementia	42
Cancer	34

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	440
hospital care	1083
inpatient care	1083

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	109
Female	192

**Ethnicity**
Non-Hispanic White	0
Black	274
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	81
85 and over	34
Less than 65	77

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2021

Hypertension	75
High Cholesterol	62
Stroke	17
Ischemic Heart Disease	67
Depression	32
Chronic Kidney Disease	69
Asthma	12
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	58
Chronic Obstructive Pulmonary Disease	50
Diabetes	61
Dementia	38
Cancer	31

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	354
hospital care	1068
inpatient care	1068

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	98
Female	177

**Ethnicity**
Non-Hispanic White	0
Black	250
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	70
85 and over	34
Less than 65	57

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	25
Ischemic Heart Disease	52
Depression	30
Chronic Kidney Disease	51
Asthma	17
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	52
Chronic Obstructive Pulmonary Disease	50
Diabetes	64
Dementia	25
Cancer	33

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

doctor visit	361
hospital care	918
inpatient care	918

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Male	93
Female	142

**Ethnicity**
Non-Hispanic White	0
Black	213
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	69
85 and over	28
Less than 65	46

Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	25
Ischemic Heart Disease	49
Depression	29
Chronic Kidney Disease	56
Asthma	19
Osteoperosis	5
Atrial Fibrilation	23
Heart Failure	50
Chronic Obstructive Pulmonary Disease	43
Diabetes	66
Dementia	23
Cancer	38

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Tosan A. Fregene, MD for Medicare patients.

The highest averages for the top procedures that Dr. Tosan A. Fregene, MD treated as a medical oncologist in Harper Woods, MI were hospital care, inpatient care, minimally invasive procedures and chemotherapy.

aspiration	16
biological response modifier (BRM) therapy	122
bone marrow tests	16
chemotherapy	122
doctor visit	878
hospital care	2440
inpatient care	2440
minimally invasive procedures	136

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Tosan A. Fregene, MD.

**Gender**
Female	338
Male	205

**Ethnicity**
Black / African American	511
Asian / Pacific Islander	0
Non-Hispanic White	3
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	149
85 and over	67
Less than 65	127
65 to 74	198

Average of Total of Conditions of Medicare patients treated by Dr. Tosan A. Fregene, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Tosan A. Fregene, MD treated were hypertension, chronic kidney disease, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	58
Stroke	17
Ischemic Heart Disease	59
Depression	27
Chronic Kidney Disease	59
Asthma	18
Osteoporosis	5
Heart Failure	54
Chronic Obstructive Pulmonary Disease	38
Diabetes	58
Atrial Fibrillation	13
Dementia	31
Cancer	36

Education & Training

Dr. Tosan A. Fregene, MD graduated from University of Lagos College of Medicine in 1985. He completed residency at Wayne State University Affiliated Hospitals. He is certified by the American Board of Internal Medicine,-The American Board of Internal Medicine - Hospice and Palliative Medicine and has a state license in Michigan.

Medical School: University of Lagos College of Medicine (1985)

Residency: Wayne State University Affiliated Hospitals (1991)

Board Certification: American Board of Internal Medicine,-The American Board of Internal Medicine - Hospice and Palliative Medicine

Licensed In: Michigan

Affiliations & Hospitals

Dr. Tosan A. Fregene, MD is associated with these hospitals and organizations:

Henry Ford Health

Henry Ford St. John Hospital

Henry Ford Providence Southfield & Novi Hospitals

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General Payments

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

**Payments by Company**
Bayer HealthCare Pharmaceuticals Inc.	$3,431 Stivarga $3,378	Nexavar $20	Xofigo $17	Aliqopa $15
Cardinal Health 414, LLC	$1,978 $1,978
Alexion Pharmaceuticals, Inc.	$1,465 SOLIRIS $1,465
Incyte Corporation	$700 JAKAFI $450	$250
Genentech USA, Inc.	$543 Avastin $136	Kadcyla $131	Gazyva $77	Perjeta $73	TECENTRIQ $43	Other $82
Other	$2,585 Revlimid $198	IMBRUVICA $197	TASIGNA $174	CT THROMBECTOMY SYSTEM KIT $173	ZYTIGA $123	Other $1,719

**Types of Payments**
Consulting Fee	$5,174
Food and Beverage	$3,589
Travel and Lodging	$1,596
Education	$342

Biography

Dr. Tosan Fregene is a specialist in adult hematology, adult oncology, and medical oncology. His education and training includes medical school at the University of Lagos College of Medicine and residency at a hospital affiliated with Wayne State University. He is professionally affiliated with Henry Ford Health.