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Dr. Valiant D. Tan, MD

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

University of Santo Tomas Faculty of Medicine and Surgery (1986)

Professional interests include: cancer, bone marrow biopsy

725 Volvo Parkway Suite 200
Chesapeake, VA 23320

(757) 549-4403

Dr. Valiant D. Tan, MD is a medical oncologist in Chesapeake, VA specializing in medical oncology, adult oncology and hematology (blood disorders). He graduated from University of Santo Tomas Faculty of Medicine and Surgery in 1986 and has 40 years of experience. Dr. Valiant D. Tan, MD is affiliated with Bon Secours, Bon Secours Maryview Medical Center, Virginia Oncology Associates, Sentara Health, Bon Secours Maryview Medical Center and VIRGINIA ONCOLOGY ASSOCIATES.

Office Locations

725 Volvo Parkway Suite 200
Chesapeake, VA 23320

(757) 549-4403

(757) 549-4332

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Sentara Health

744 N Battlefield Boulevard Suite 200
Chesapeake, VA 23320

(757) 549-4403

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In The News (see more mentions in the news)

“The Mullins family wishes to express sincere gratitude to Dr. Valiant Tan and the staff of Virginia Oncology, as well as the staff of Comfort Care Home Health and Hospice.In lieu of flowers,...”—"Charles Vance Mullins", The Virginian-Pilot, March 2019

“The family will receive friends following the service at the funeral home.The family would like to offer sincere gratitude to Dr. Valiant Tan, his P.A. Ami, the staff at Virginia Oncology, as well...”—"Tommy Morris Hartman", The Virginian-Pilot, January 2019

“Special thanks go out to Dr. Desai, Dr. Valiant Tan and the staff of Virginia Oncology and the amazing nurses at Comfort Care Home Health and Hospice and everyone who helped to care for Frank...”—"Franklin L. Elkins", The Virginian-Pilot, January 2015

Noteworthy Medicare Patient Procedures Performed by Dr. Valiant D. Tan, MD in 2023

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

Top 5%

By Volume:

complete blood count

By Affordability:

immunofixation electrophoresis

protein electrophoresis

serum protein electrophoresis

In 2023, among providers in related specialties within Virginia, Dr. Valiant D. Tan, MD performed more complete blood count (CBC) procedures for Medicare patients than 95% of them and he also had a list price for immunofixation electrophoresis (IFE), protein electrophoresis, and serum protein electrophoresis (SPEP) that was lower than the list prices billed to Medicare by 95% of them. 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.

Top 10%

By Volume:

inpatient hospital care

By Affordability:

carcinoembryonic antigen test

folic acid tests

serum folate test

urinalysis

In 2023, among providers in related specialties within Virginia, Dr. Valiant D. Tan, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of them and he also had a list price for carcinoembryonic antigen (CEA) test, folic acid tests, serum folate test, and urinalysis that was lower than the list prices billed to Medicare by 90% of them. 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.

Top 25%

By Volume:

lab tests

minimally invasive procedures

thyroid blood test

By Affordability:

blood count tests

blood draw

blood draw for lab tests

lactate dehydrogenase test

liver function tests

phlebotomy for lab tests

prothrombin time test

reticulocyte count

sed rate

thyroid blood test

thyroid function tests

venipuncture

vitamin B12 test

In 2012, among providers in related specialties within Virginia, Dr. Valiant D. Tan, MD performed more lab tests, minimally invasive procedures, and thyroid blood test procedures for Medicare patients than 75% of them and he also had a list price for blood count tests, blood draw, blood draw for lab tests, cancer antigen tests, coagulation (blood clotting) tests, complete blood count (CBC), iron tests, lactate dehydrogenase (LDH) test, liver function tests (LFTs), phlebotomy for lab tests, prothrombin time (PT) test, reticulocyte count (immature red blood cell count), sed rate (ESR), thyroid blood test, thyroid function tests, venipuncture (phlebotomy), and vitamin B12 test that was lower than the list prices billed to Medicare by 75% of them. 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. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2012 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

aspiration	28
biological response modifier (BRM) therapy	972
blood draw	2252
bone marrow tests	56
chemotherapy	972
diagnostic procedures	56
doctor visit	2207
hormone therapy	98
hospital care	676
inpatient care	676
lab tests	6086
minimally invasive procedures	1034
port flush	46
preventive care	38
thyroid function tests	34
vaccines	38

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2013 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

aspiration	22
biological response modifier (BRM) therapy	749
blood draw	2025
bone marrow tests	45
chemotherapy	749
diagnostic procedures	45
doctor visit	1957
hormone therapy	72
hospital care	421
inpatient care	421
lab tests	5996
minimally invasive procedures	801
port flush	33
preventive care	51
thyroid function tests	29
vaccines	51

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	415
Female	692

**Ethnicity**
Non-Hispanic White	754
Black	296
Hispanic	18
Asian	20
Other	19
Native American	0

**Age**
From 65 to 74	499
From 75 to 84	349
85 and over	123
Less than 65	136

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2013

Hypertension	75
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	8
Cancer	51

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2014 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

aspiration	22
biological response modifier (BRM) therapy	693
blood draw	1792
bone marrow tests	44
chemotherapy	693
diagnostic procedures	44
doctor visit	1963
hormone therapy	76
hospital care	408
inpatient care	408
lab tests	5773
minimally invasive procedures	848
port flush	46
preventive care	55
thyroid function tests	24
vaccines	55

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	438
Female	690

**Ethnicity**
Non-Hispanic White	766
Black	294
Hispanic	24
Asian	27
Other	17
Native American	0

**Age**
From 65 to 74	521
From 75 to 84	358
85 and over	119
Less than 65	130

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2014

Hypertension	75
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	9
Cancer	52

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2015 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

aspiration	32
biological response modifier (BRM) therapy	658
blood draw	1830
bone marrow tests	64
chemotherapy	658
diagnostic procedures	64
doctor visit	1993
hormone therapy	70
hospital care	477
inpatient care	477
lab tests	6084
minimally invasive procedures	753
port flush	58
preventive care	27
thyroid function tests	30
vaccines	27

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	878
Female	1386

**Ethnicity**
Non-Hispanic White	1510
Black	626
Hispanic	38
Asian	46
Other	44
Native American	0

**Age**
From 65 to 74	1028
From 75 to 84	750
85 and over	236
Less than 65	250

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	34
Asthma	14
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	9
Cancer	51

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2016 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

aspiration	19
biological response modifier (BRM) therapy	834
blood draw	1718
bone marrow tests	38
chemotherapy	834
diagnostic procedures	38
doctor visit	2014
hormone therapy	51
hospital care	453
inpatient care	453
lab tests	6192
minimally invasive procedures	924
port flush	57
preventive care	12
thyroid function tests	30
vaccines	12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	426
Female	744

**Ethnicity**
Non-Hispanic White	803
Black	297
Hispanic	0
Asian	26
Other	22
Native American	0

**Age**
From 65 to 74	527
From 75 to 84	399
85 and over	130
Less than 65	114

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2016

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	40
Asthma	23
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	10
Cancer	48

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

aspiration	19
biological response modifier (BRM) therapy	769
blood draw	1893
bone marrow tests	39
chemotherapy	769
diagnostic procedures	39
doctor visit	2057
hormone therapy	81
hospital care	343
inpatient care	343
lab tests	6448
minimally invasive procedures	904
port flush	57
preventive care	28
thyroid function tests	29
vaccines	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	440
Female	721

**Ethnicity**
Non-Hispanic White	780
Black	304
Hispanic	0
Asian	25
Other	30
Native American	0

**Age**
From 65 to 74	519
From 75 to 84	391
85 and over	134
Less than 65	117

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2017

Hypertension	75
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	9
Cancer	48

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2018 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

biological response modifier (BRM) therapy	772
blood draw	1855
chemotherapy	772
doctor visit	2123
hormone therapy	83
hospital care	406
inpatient care	406
lab tests	6144
minimally invasive procedures	884
port flush	58
preventive care	31
thyroid function tests	17
vaccines	31

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	470
Female	746

**Ethnicity**
Non-Hispanic White	828
Black	306
Hispanic	0
Asian	25
Other	32
Native American	0

**Age**
From 65 to 74	538
From 75 to 84	414
85 and over	136
Less than 65	128

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2018

Hypertension	75
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	24
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	10
Cancer	47

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2019 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

biological response modifier (BRM) therapy	722
blood draw	2115
chemotherapy	722
doctor visit	2158
hormone therapy	85
hospital care	396
inpatient care	396
lab tests	6967
minimally invasive procedures	885
port flush	48
thyroid function tests	122

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	539
Female	781

**Ethnicity**
Non-Hispanic White	913
Black	310
Hispanic	26
Asian	0
Other	43
Native American	0

**Age**
From 65 to 74	595
From 75 to 84	459
85 and over	142
Less than 65	124

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2019

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	10
Cancer	45

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

biological response modifier (BRM) therapy	559
blood draw	1495
chemotherapy	559
doctor visit	1775
hormone therapy	110
hospital care	333
inpatient care	333
lab tests	5735
minimally invasive procedures	753
port flush	19
thyroid function tests	188

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	467
Female	722

**Ethnicity**
Non-Hispanic White	816
Black	285
Hispanic	27
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	545
From 75 to 84	421
85 and over	125
Less than 65	98

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	43
Asthma	9
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	40
Dementia	10
Cancer	45

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2021 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

biological response modifier (BRM) therapy	591
blood draw	850
chemotherapy	591
doctor visit	1608
hormone therapy	105
hospital care	263
inpatient care	263
lab tests	5660
minimally invasive procedures	835
thyroid function tests	306

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	446
Female	696

**Ethnicity**
Non-Hispanic White	787
Black	269
Hispanic	26
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	513
From 75 to 84	415
85 and over	113
Less than 65	101

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	41
Asthma	9
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	9
Cancer	43

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA during 2022 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

biological response modifier (BRM) therapy	542
blood draw	1033
chemotherapy	542
doctor visit	1550
hormone therapy	55
hospital care	248
inpatient care	248
lab tests	6535
minimally invasive procedures	774
port flush	20
thyroid function tests	324

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	517
Female	785

**Ethnicity**
Non-Hispanic White	932
Black	282
Hispanic	0
Asian	29
Other	38
Native American	0

**Age**
From 65 to 74	607
From 75 to 84	470
85 and over	122
Less than 65	103

Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	27
Asthma	13
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	6
Cancer	48

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Valiant D. Tan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Valiant D. Tan, MD treated as a medical oncologist in Chesapeake, VA were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	23
biological response modifier (BRM) therapy	714
blood draw	1714
bone marrow tests	47
chemotherapy	714
diagnostic procedures	47
doctor visit	1945
hormone therapy	80
hospital care	402
inpatient care	402
lab tests	6147
minimally invasive procedures	854
preventive care	34
thyroid function tests	103
vaccines	34

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Valiant D. Tan, MD.

**Gender**
Male	457
Female	723

**Ethnicity**
Black / African American	297
Asian / Pacific Islander	18
Non-Hispanic White	808
Hispanic	14
Native American / Alaskan Native	0
Other	28

**Age**
75 to 84	402
85 and over	125
Less than 65	118
65 to 74	535

Average of Total of Conditions of Medicare patients treated by Dr. Valiant D. Tan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Valiant D. Tan, MD treated were hypertension, high cholesterol, cancer and diabetes.

Hypertension	68
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	33
Asthma	9
Osteoporosis	8
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Atrial Fibrillation	12
Cancer	43
Dementia	8

Education & Training

Dr. Valiant D. Tan, MD graduated from University of Santo Tomas Faculty of Medicine and Surgery in 1986. He completed residency at Interfaith Medical Center. He is certified by the Board Certification: Hematology and has a state license in Virginia.

Medical School: University of Santo Tomas Faculty of Medicine and Surgery (1986)

Residency: Interfaith Medical Center (1991)

Board Certification: Board Certification: Hematology

Licensed In: Virginia

Affiliations & Hospitals

Dr. Valiant D. Tan, MD is associated with these hospitals and organizations:

Bon Secours

Bon Secours Maryview Medical Center

Virginia Oncology Associates

Sentara Health

Bon Secours Maryview Medical Center

VIRGINIA ONCOLOGY ASSOCIATES

Ratings & Reviews

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General Payments

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

**Payments by Company**
Alexion Pharmaceuticals, Inc.	$3,611 SOLIRIS $3,611
Amgen Inc.	$287 Kyprolis $224	Repatha $62
Pfizer Inc.	$258 OXBRYTA $122	EMBEDA $96	BOSULIF $31	SUTENT $9
Celgene Corporation	$233 Abraxane $128	$105
Genentech USA, Inc.	$233 Perjeta $125	$108
Other	$1,857 KEYTRUDA $283	ELZONRIS $126	Oncology $126	MONJUVI $125	Sylvant $117	Other $1,080

**Types of Payments**
Food and Beverage	$2,698
Consulting Fee	$2,000
Travel and Lodging	$1,445
Education	$305
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$31

Biography

Dr. Valiant Tan is a specialist in adult oncology, medical oncology, and hematology (blood disorders). He works in Chesapeake, VA. In his practice, Dr. Tan focuses on cancer and bone marrow biopsy. Dr. Tan's professional affiliations include Virginia Oncology Associates, Bon Secours Maryview Medical Center, and Sentara Health. According to Virginia Oncology Associates, he is currently accepting new patients at his office in Chesapeake, VA. Dr. Tan studied medicine at the University of Santo Tomas Faculty of Medicine and Surgery. He trained at Metropolitan Hospital Center, New York and Interfaith Medical Center for residency.