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Home > CA Providers > Radiation Oncologists

Dr. Raymond Charles Tan, MD

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Specializes in: Radiation Oncology

7887 N Cedar Avenue
Fresno, CA 93720

(559) 437-1000

Dr. Raymond Charles Tan, MD is a radiation oncologist in Fresno, CA specializing in radiation oncology.

Office Locations

7887 N Cedar Avenue
Fresno, CA 93720

(559) 437-1000

(559) 437-3870

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Noteworthy Medicare Patient Procedures Performed by Dr. Raymond Charles Tan, MD in 2024

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

Top 5%

By Affordability:

marker placement for prostate radiation therapy

In 2024, Dr. Raymond Charles Tan, MD had a list price for marker placement for prostate radiation therapy that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	729

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	271

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	106
Female	73

**Ethnicity**
Non-Hispanic White	130
Black	11
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	66
85 and over	31
Less than 65	14

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2013

Hypertension	69
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	45
Depression	12
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	27
Dementia	12
Cancer	59

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Raymond Charles Tan, MD treated as a radiation oncologist in Fresno, CA during 2014 were radiation therapy.

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	127
radiation therapy	27

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	95
Female	91

**Ethnicity**
Non-Hispanic White	167
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	0
85 and over	63
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2014

Hypertension	67
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	38
Depression	11
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	13
Cancer	20

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2015

Hypertension	73
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Raymond Charles Tan, MD treated as a radiation oncologist in Fresno, CA during 2016 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	152
image guided procedures	48
radiation therapy	574

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	180
Female	116

**Ethnicity**
Non-Hispanic White	199
Black	0
Hispanic	63
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	96
85 and over	32
Less than 65	21

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2016

Hypertension	74
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	42
Asthma	24
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	7
Cancer	66

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Raymond Charles Tan, MD treated as a radiation oncologist in Fresno, CA during 2017 were radiation therapy.

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	53
radiation therapy	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	64
Female	42

**Ethnicity**
Non-Hispanic White	82
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	37
Depression	14
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	124

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Ethnicity**
Non-Hispanic White	35
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2018

Hypertension	74
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	24
Depression	0
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	71

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	91

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

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

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	35
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	102

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Ethnicity**
Non-Hispanic White	19
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2020

Hypertension	59
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	35
Depression	0
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	42

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

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

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	43
Depression	0
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	201

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	74
Female	47

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2022

Hypertension	75
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	17
Atrial Fibrilation	22
Heart Failure	31
Chronic Obstructive Pulmonary Disease	32
Diabetes	32
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	326

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	85
Female	69

**Age**
From 65 to 74	67
From 75 to 84	51
85 and over	22
Less than 65	14

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2023

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	34
Chronic Obstructive Pulmonary Disease	34
Diabetes	33
Dementia	0
Cancer	71

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Raymond Charles Tan, MD treated as a radiation oncologist in Fresno, CA during 2024 were marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

doctor visit	288
marker placement for prostate radiation therapy	13

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	101
Female	54

**Ethnicity**
Non-Hispanic White	144
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2024

Hypertension	72
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	22
Depression	19
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Raymond Charles Tan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Raymond Charles Tan, MD treated as a radiation oncologist in Fresno, CA were radiation therapy and image guided procedures.

doctor visit	208
image guided procedures	48
radiation therapy	215

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Raymond Charles Tan, MD.

**Gender**
Male	54
Female	37

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	71
Native American / Alaskan Native	0
Hispanic	8
Other	0

**Age**
75 to 84	26
85 and over	11
Less than 65	3
65 to 74	49

Average of Total of Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD From 2012 - 2024

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

Hypertension	66
High Cholesterol	53
Stroke	1
Ischemic Heart Disease	28
Depression	9
Chronic Kidney Disease	23
Asthma	5
Osteoporosis	5
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Atrial Fibrillation	9
Cancer	55
Dementia	2

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$266 OPDIVO $105	EMPLICITI $8	$153
AstraZeneca Pharmaceuticals LP	$244 LYNPARZA $55	Enhertu $50	FASLODEX $36	TAGRISSO $10	$92
Novartis Pharmaceuticals Corporation	$232 AFINITOR $58	ZYKADIA $57	TASIGNA $37	SCEMBLIX $23	SANDOSTATIN LAR $22	Other $34
Amgen Inc.	$90 XGEVA $74	LUMAKRAS $16
Bayer HealthCare Pharmaceuticals Inc.	$88 Xofigo $53	Vitrakvi $21	Nexavar $14
Other	$1,293 XTANDI $91	SpaceOAR VUE System - 10mL $68	Orserdu $59	SpaceOAR $56	LIBTAYO $53	Other $965

**Types of Payments**
Food and Beverage	$2,184
Education	$28

Biography

Dr. Raymond Tan's area of specialization is radiation oncology. He graduated from Tufts University School of Medicine.

Select Year:

Dr. Raymond Charles Tan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Raymond Charles Tan, MD in 2024

By Affordability:

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. Raymond Charles Tan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2014

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Raymond Charles Tan, 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. Raymond Charles Tan, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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