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Dr. Guy W. Tillinghast, MD

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Specializes in: Medical Oncology, Adult Oncology and Hematology (Blood Disorders)

Brown University, Alpert Medical School

1926 Alcoa Highway Suite 410
Knoxville, TN 37920

(865) 305-9171

Dr. Guy W. Tillinghast, MD is a medical oncologist in Knoxville, TN specializing in medical oncology, adult oncology and hematology (blood disorders). He graduated from Brown University, Alpert Medical School. Dr. Guy W. Tillinghast, MD is affiliated with University Physicians' Association, Inc..

Office Locations

University Physicians' Association, Inc.

1926 Alcoa Highway Suite 410
Knoxville, TN 37920

(865) 305-9171

(865) 305-6886

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In The News

“She went through six rounds of chemotherapy at Beebe's Tunnell Cancer Center under the care of medical oncologist Guy Tillinghast, MD. "Denise referred to Dr. Sofronski as Archangel Michael and Dr....”—"Appreciation for Beebe's excellent care leads to art from the heart", Cape Gazette, March 2021

“Pharmacogenetics started with the treatment of infectious diseases and has been key in cancer care for a decade, according to Bon Secours oncologist Guy Tillinghast.”—"Genetic testing allows precision prescribing", The Virginian-Pilot, June 2015

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2012 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	1175
doctor visit	1199
hospital care	102
inpatient care	102
lab tests	3612

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2013 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	780
doctor visit	879
hospital care	120
inpatient care	120
lab tests	2528
port flush	26

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	121
Female	187

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

**Age**
From 65 to 74	138
From 75 to 84	98
85 and over	37
Less than 65	35

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2013

Hypertension	75
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	13
Cancer	62

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2014 were lab tests, blood draw and thyroid function tests.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	186
doctor visit	1067
lab tests	2487
thyroid function tests	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	86
Female	110

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	71
85 and over	28
Less than 65	17

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2014

Hypertension	74
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	9
Cancer	42

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2015 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	414
doctor visit	1506
hospital care	150
inpatient care	150
lab tests	2415
thyroid function tests	25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	228
Female	344

**Ethnicity**
Non-Hispanic White	452
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	194
85 and over	62
Less than 65	40

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	42
Asthma	14
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	32
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	11
Cancer	44

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2016 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	588
doctor visit	1667
hospital care	215
inpatient care	215
lab tests	2607
thyroid function tests	43

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	127
Female	195

**Ethnicity**
Non-Hispanic White	239
Black	70
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	114
85 and over	39
Less than 65	40

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2016

Hypertension	75
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	46
Asthma	21
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	12
Cancer	35

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2017 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	170
doctor visit	929
hospital care	201
inpatient care	201
lab tests	712
thyroid function tests	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	201
Female	256

**Ethnicity**
Non-Hispanic White	375
Black	51
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	152
85 and over	57
Less than 65	61

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2017

Hypertension	73
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	36
Depression	27
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	12
Cancer	38

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

doctor visit	523
hospital care	52
inpatient care	52

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	101
Female	121

**Ethnicity**
Non-Hispanic White	201
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	75
85 and over	36
Less than 65	37

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2018

Hypertension	66
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	23
Dementia	9
Cancer	36

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

doctor visit	639

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	161
Female	191

**Ethnicity**
Non-Hispanic White	325
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	124
85 and over	37
Less than 65	30

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	40
Depression	28
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	7
Cancer	42

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

doctor visit	221

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	88
Female	99

**Ethnicity**
Non-Hispanic White	131
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	64
85 and over	11
Less than 65	28

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2020

Hypertension	70
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	41
Depression	31
Chronic Kidney Disease	44
Asthma	7
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	27
Diabetes	32
Dementia	11
Cancer	40

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2021 were blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

blood draw	202
doctor visit	242
hospital care	143
inpatient care	143

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	110
Female	139

**Ethnicity**
Non-Hispanic White	229
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	80
85 and over	32
Less than 65	19

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2021

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	42
Asthma	7
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	33
Dementia	11
Cancer	32

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

doctor visit	360
hospital care	114
inpatient care	114

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	119
Female	132

**Ethnicity**
Non-Hispanic White	233
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	88
85 and over	22
Less than 65	20

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	33
Depression	32
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	7
Cancer	33

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

doctor visit	358
hospital care	104
inpatient care	104

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	130
Female	144

**Ethnicity**
Non-Hispanic White	254
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	105
85 and over	32
Less than 65	16

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	17
Atrial Fibrilation	26
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	9
Cancer	28

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

doctor visit	150
hospital care	37
inpatient care	37

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Male	67
Female	90

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	72
85 and over	19
Less than 65	11

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	15
Atrial Fibrilation	25
Heart Failure	25
Chronic Obstructive Pulmonary Disease	26
Diabetes	34
Dementia	8
Cancer	34

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Guy W. Tillinghast, MD for Medicare patients.

The highest averages for the top procedures that Dr. Guy W. Tillinghast, MD treated as a medical oncologist in Knoxville, TN were lab tests, blood draw, hospital care and inpatient care.

blood draw	502
doctor visit	749
hospital care	123
inpatient care	123
lab tests	2393
thyroid function tests	33

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Guy W. Tillinghast, MD.

**Gender**
Female	154
Male	118

**Ethnicity**
Black / African American	13
Asian / Pacific Islander	0
Non-Hispanic White	226
Hispanic	0
Native American / Alaskan Native	0
Other	1

**Age**
85 and over	31
75 to 84	95
Less than 65	27
65 to 74	118

Average of Total of Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD From 2012 - 2024

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

Hypertension	67
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	34
Asthma	8
Osteoporosis	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Atrial Fibrillation	15
Cancer	35
Dementia	9

Education & Training

Dr. Guy W. Tillinghast, MD graduated from Brown University, Alpert Medical School. He completed residency at UMass Memorial Medical Center. He has a state license in Ohio.

Medical School: Brown University, Alpert Medical School

Residency: UMass Memorial Medical Center

Licensed In: Ohio

Affiliations & Hospitals

Dr. Guy W. Tillinghast, MD is associated with these hospitals and organizations:

University Physicians' Association, Inc.

Ratings & Reviews

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General Payments

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

**Payments by Company**
Amgen Inc.	$289 IMLYGIC $150	Kyprolis $16	XGEVA $14	$109
Sirtex Medical Inc	$142 SIR-Spheres microspheres $142
Astellas Pharma US Inc	$112 PADCEV $12	$100
Janssen Products, LP	$88 ZYTIGA $88
Janssen Biotech, Inc.	$63 IMBRUVICA $32	Balversa $16	DARZALEX $12	YONDELIS $2
Other	$655 Xofigo $35	Revlimid $34	KEYTRUDA $31	KRAZATI $29	TECENTRIQ $27	Other $498

**Types of Payments**
Food and Beverage	$1,117
Education	$231

Research Payments

Dr. Guy W. Tillinghast, MD has received 20 research payments totaling $96,641.

Biography

Dr. Guy Tillinghast is a medical specialist in adult oncology, medical oncology, and hematology (blood disorders). Dr. Tillinghast is a graduate of Brown University, Alpert Medical School and a graduate of UMass Memorial Medical Center's residency program. He speaks Spanish. He is professionally affiliated with the University Physicians' Association, Inc..

Select Year:

Dr. Guy W. Tillinghast, MD

Office Locations

In The News

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Guy W. Tillinghast, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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